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preliminary publication release date: june 7, 2005 - 1 - revision 0.3 isd1800 series single-chip, single-message voice record/playback device 6- to 16-second duration
isd1800 series - 2 - 1. general description winbond?s isd1800 chipcorder ? provides high-quality, single chip , single-message, record/playback solution with user-selectable durations of 6 to 16 seconds. the cmos devices include an on-chip oscillator (with external control), microphone preamplif ier, automatic gain contro l, anti-aliasing filter, multilevel storage array, smoothing filter, and s peaker amplifier. a minimum record/playback subsystem can be configured with a microphone, a speaker, several passive components, two push buttons, and a power source. recordings are stored in on-chip nonvolatile memory cells, providing zero-power message storage. this unique, single- chip solution is made possible through winbond?s patented multilevel storage technology. voice and audio signals are stored directly into memory in their natural form, providing high-qua lity, solid-state voice reproduction. 2. features ? easy-to-use single-chip, single-message voice record/playback solution ? high-quality, natural voice/audio reproduction ? push-button interface o playback can be edge- or level-activated ? variable record/playback duration controlled by exter nal resistor selection, which sets sample rate. sample rate duration 8 khz 6.4 khz 5.3 khz 4 hkz i1806 6 secs 7.5 secs 9 secs 12 secs i1810 8 secs 10 secs 12 secs 16 secs rosc 80 k ? 100 k ? 120 k ? 160 k ? ? automatic power-down mode o enters standby mode immediately fo llowing a record or playback cycle o 0.5 a standby current (typical) ? on-chip 8 ? speaker driver ? zero-power message storage o eliminates battery backup circuits ? 100-year message retention (typical) ? 100,000 record cycles (typical) ? on-chip oscillator ? no algorithm development required ? single +3 volt power supply ? available in die form and 28-pin 300mil soic o 28-pin 600mil pdip available for samples only
isd1800 series publication release date: june 7, 2005 - 3 - revision 0.3 3. block diagram internal clock timing sampling clock nonvolatile multilevel storage array analog transceivers decoders switch device control power conditioning automatic gain control (agc) active antialiasing filter active smoothing filter amp agc amp sp + sp - recled playl playe rec ft v cca v ssa v ssd v ccd agc mic ref mic xclk rosc
isd1800 series - 4 - 4. table of contents 1. general d escription......................................................................................................... ......... 2 2. features .................................................................................................................... ..................... 2 3. block diagram ............................................................................................................... ............... 3 4. table of cont ents ........................................................................................................... ........... 4 5. pin conf igurati on ........................................................................................................... ............ 5 6. pin des cription ............................................................................................................. ................ 6 7. functional descript ion...................................................................................................... ...... 9 7.1. detailed description .................................................................................................................. 9 7.2. functional description example ........................................................................................... 10 8. timing diagrams............................................................................................................. ............. 12 9. absolute maximum ratings [1] ................................................................................................ 15 9.1 operating conditions ............................................................................................................... 16 10. electrical cha racteris tics ............................................................................................... 17 10.1. dc parameters ...................................................................................................................... 17 10.2. ac parameters [1] ................................................................................................................... 18 11. typical applic ation ci rcuit ................................................................................................ .19 12. package drawing and dimens ions .................................................................................... 20 12.1. 28-lead 300mil small outline ic (soic) package .......................................................... 20 12.2. 28-lead 0.600-inch plastic dual inline package (pdip) ? for sampling only ........... 21 12.3. isd1800 bonding physical layout (die) ........................................................................... 22 13. ordering informat ion....................................................................................................... .... 24 14. version history ............................................................................................................ ........... 25
isd1800 series publication release date: june 7, 2005 - 5 - revision 0.3 5. pin configuration soic/pdip vssd rec playe playl nc nc nc nc nc mic nc mic ref agc nc vccd xclk ft nc nc nc nc nc rosc vcca sp+ vssa sp- recled isd1800 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14
isd1800 series - 6 - 6. pin description pin name pin no. i/o function v ssd , v ssa 1, 16 ground supplies : similar to v cca and v ccd , the analog and digital circuits internal to the i1800 device use separate ground buses to minimize noise. these pins should be tied together as close as possible to the device. rec 1 2 i record : the rec input is an active-high record signal. the device records whenever rec is high. this pin must remain high for the duration of the recording. rec takes precedence over either playback (playl or playe) signal. if rec is pulled high during a playback cycle, the playback immediately ceases and recording begins. a record cycle is completed when rec is pulled low. an end-of-message (eom) marker is internally recorded, enabling a subsequent playback cycle to terminate appropriately. the device automatically powers down to standby mode when rec goes low. this pin has an internal pull-down device. holding this pin high will increase standby current consumption. playe 3 i playback, edge-activated : when a high-going transition is detected on th is input pin, a playback cycle begins. playback c ontinues until an end-of- message (eom) marker is encountered or the end of the memory space is reached. upon completion of the play back cycle, the device automatically powers down into standby mode. taking playe low during a playback cycle will not terminate the current cycle. this pin has an internal pull-down device. holding this pin high will increase standby current consumption. playl 4 i playback, level-activated : when this input pin level transits from low to high, a playback cycle is initiated. playback continues until playl is pulled low or an end-of-message (eom) marker is detected, or the end of the memory space is reached. the device automatically powers down to standby mode upon completion of the playback cycle. this pin has an internal pull-down device. holding this pin high will increase standby current consumption. nc 5, 6, 7, 8, 9, 11, 14, 20, 21, 22, 23, 24 not connected.
isd1800 series publication release date: june 7, 2005 - 7 - revision 0.3 pin name pin no. i/o function mic 10 i microphone input : the microphone input transfers its signals to the on-chip preamplifier. an on-chip automatic gain control (agc) circuit controls the gain of the pr eamplifier. an external microphone should be ac coupled to this pin via a series capacitor. the capacitor value, together with an internal 10 k ? resistance on this pin, determines the low-frequency cutoff for the i1800 passband. mic ref 12 i microphone reference : the mic ref input is the inverting input to the microphone preamplifier. this provides input noise-cancellation, or common-mode rejection, when the microphone is connected differentially to the device. agc 13 i automatic gain control : the agc dynamically adjusts the gain of the preamplifier to compensate for the wide range of microphone input levels. the agc allows the full range of sound, from whispers to loud sounds, to be recorded with minimal distortion. nominal values of 4.7 f give satisfactory results in most cases. connecting this pin to ground (v ssa ) provides maximum gain to the preamplifier circuitry. conversely, connecting this pin to the power supply (v cca ) provides minimum gain to the preamplifier circuitry. sp-/sp+ 15, 17 o speaker outputs : the sp+ and sp- pins provide direct drive for loudspeakers with impedances as low as 8 ? . a single output may be used, but, for direct-drive loud-speakers, the two opposite- polarity outputs provide an improvement in output power of up to four times over a single-ended connection. furthermore, when sp+ and sp- are used, a speaker coupling capacitor is not required. a single-ended connection will require an ac-coupling capacitor between the sp pin and the speaker. the sp+ pin and the sp- pin are internally connected through a 50 k ? resistance. when not in playback mode, they are floating.
isd1800 series - 8 - pin name pin no. i/o function v cca , v ccd 18, 27 voltage supplies : analog and digital circuits internal to the i1800 device use separate power buses to minimize noise on the chip. these power buses are brought out to separate pins on the package and should be tied together as close to the power supply as possible. it is important that the power supply be decoupled as close as possible to the package. rosc 19 i the resistor controlled oscillator input : this enables the user to vary the i1800 device record and playback duration. t he resistor connected between the rosc pin and v ss (r2) determines the sample frequency and the filter upper pass band for the i1800 device. please refer to the table in duration section for duration selection. ft 25 i feed through : this mode allows use of the speaker drivers for external signals. the signal between the mic and mic_ref pins will pass through the agc, the filter and the speaker drivers to the speaker outputs sp+ and sp-. the input ft controls the feed through mode. to operate this mode, the control pins rec, playe and playl are held low at v ss . the pin ft is held high to v cc . for normal operation of record, play and power down, the ft pin is held at v ss . the ft pin has a weak pull-down to v ss . xclk 26 the external clock input : for the i1800 devices has an internal pull-down resistor. this pin is used for test purposes only. do not bond this pad. recled 28 o record led output : the recled output is low during a record cycle. it can be used to drive an led to provide feedback that a record cycle is in progress. in addition, recled pulses low momentarily when and end-of-message (eom) or end-of-memory marker is encountered in a playback cycle. note: 1 the rec signal is internally debounced on the rising edge to prevent a false re-triggering from a push- button switch.
isd1800 series publication release date: june 7, 2005 - 9 - revision 0.3 7. functional description 7.1. d etailed d escription speech/sound quality winbond?s patented chipcorder? technology provides natural record and playback. the input voice signals are stored directly in nonv olatile cells and are reproduced wit hout the synthetic effect often heard with digital solid-state speech solutions. a comp lete sample is stored in a single cell, minimizing the memory necessary to store a single message. duration the isd1800 devices offer single-chip solutions wi th 6 to 16 seconds of record/playback duration capacity. sampling rate and duration are determined by an external resistor connected to the rosc pin. these specifications apply with the r equired resistor value for playback duration. sample rate duration 8 khz 6.4 khz 5.3 khz 4 hkz i1806 6 secs 7.5 secs 9 secs 12 secs i1810 8 secs 10 secs 12 secs 16 secs rosc 80 k ? 100 k ? 120 k ? 160 k ? non-volatile storage the isd1800 product utilizes the on-chip flash memory providing zero-power message storage. the message is retained for up to 100 years without power. in addition, the device can be re-recorded typically over 100,000 times. basic operation the isd1800 chipcorder? device is controlled by the rec pin, and either of two playback pins, playe (edge-activated playback), and playl (level-activated playback). the isd1800 parts are configured for design simplicity in a single-mess age application. device operation is explained in section 7.2, ?functional description example?. automatic power-down mode at the end of a playback or record cycle, the isd1800 device automatically returns to a low-power standby mode, consuming typically 0.5a, provided that play rec, xclk, and ft pins are low (see dc parameters, section 10). during a playback cycle, the device pow ers down automatically at the end of the message. during a record cycle, t he device powers down immediately after rec is released low.
isd1800 series - 10 - 7.2. f unctional d escription e xample the following example operating sequence dem onstrates the functionality of the isd1800 devices. 1. record a message filling the memory pulling the rec pin high initiates a record cy cle form the beginning of the message space. the device will automatically power down after rec is re lease low. an eom marker is written at the end of message. if rec is held high, the recording continues until the message space has been filled. once the message space is filled, recording ceases. 2. edge-activated playback pulling the playe pin high initiates a playback cycle from the beginning of the message space. when the device reaches the eom marker, it automat ically powers down. if a recording has filled the message space, the entire message is played. a subsequent rising edge on playe initiates a new play cycle from the beginning of the memory. 3. level-activated playback pulling the playl pin high initiates a playback cycle from the beginning of the message space. when the device reaches the eom marker, it automat ically powers down. if a recording has filled the message space, the entire message is played. a subsequent rising edge on playl initiates a new play cycle from the beginning of the memory. 4. level-activated playback (truncated) if playl is pulled low any time during the playba ck cycle, the device stops playing and enters the power-down mode. a subsequent rising edge on playl in itiates a new play cycle from the beginning of the memory. 5. record (interrupting playback) the rec pin takes precedence over other operations . any high-going transition on rec initiates a new record operation from the beginning of the me mory, regardless of any current operation in progress. 6. record a message, partially filling the memory a record operation need not fill the entire memory . releasing the rec pin low before filling the message space causes the recording to stop and an eom marker to be placed. the device powers down automatically. 7. playback a message that partially fills the memory pulling the playe or playl pin high initiates a pl ayback cycle. the playba ck cycle ceases when the eom marker is encountered and the device then powers down.
isd1800 series publication release date: june 7, 2005 - 11 - revision 0.3 8. recled operation the recled output pin provides an active-low signal , which can be used to drive an led as a ?record-in-progress? indicator. it returns to a hi gh state when the rec pin is released low or when the recording is completed due to the memory being f illed. this pin also pulses low to indicate the end of a message has been reached. 9. rosc operation the duration of the device can be va ried by changing the value of r2 (r osc ). this means the isd1800 device can actually be between 6 to 16 seconds durat ion. see the curve below, which charts typical durations when the r osc is varied from 80 k ? to 160 k ? . this feature allows frequency shifting where a reco rded voice or sound can be played back faster or slower than normal for special effects. for example, use a 100 k ? resistor to make the recording and then playback with either an 80 k ? resistor for faster ?chipmunk? talk or with a 120 k ? resistor for a slower, lower voice. another feature is a ?pause? or interrupt function that can be done by taking the r osc resistor to v cc to stop playback momentarily, resuming when t he resistor is connected back to ground. chart 1: isd duration versus r osc at t a = 25c and v cc = 3.0v 6 8 10 12 14 16 80 100 120 140 160 typical r osc (k ) typical duration (sec) i 1 8 1 0 i 1 8 0 6 ?
isd1800 series - 12 - 8. timing diagrams power-down debounce 84 ms record power-down operation playl playe rec recled mic mic ref input mic input mic ref figure 1: record message until record goes low power-down debounce 84 ms record power-down operation playl playe rec recled mic mic ref input mic input mic ref figure 2: record message until array is full
isd1800 series publication release date: june 7, 2005 - 13 - revision 0.3 power-down debounce 84 ms wink 84 ms power-down operation playl playe rec recled mic mic ref open play sp + sp - open open open 1.2 volts 1.2 volts 1.2 volts 1.2 volts don't care don't care no edges no edges figure 3: play edge (playe) play until end of message power-down debounce 84 ms wink 84 ms power-down operation playl playe rec recled mic mic ref open play sp + sp - open open open 1.2 volts 1.2 volts 1.2 volts 1.2 volts figure 4: play level (playl) play until end of message
isd1800 series - 14 - power-down debounce 84 ms wink 84 ms power-down operation playl playe rec recled mic mic ref open play sp + sp - open open open 1.2 volts 1.2 volts 1.2 volts 1.2 volts figure 5: play until play level (playl) falls power-down debounce 84 ms wink 84 ms play operation playl playe rec recled play sp + sp - open open 1.2 volts 1.2 volts 1.2 volts 1.2 volts figure 6: looping play, playe to recled note: looping playback operation can be performed by connecting the recled pin to playe pin.
isd1800 series publication release date: june 7, 2005 - 15 - revision 0.3 9. absolute maximum ratings [1] absolute maximum ratings (die) condition value junction temperature 150c storage temperature range -65c to +150c voltage applied to any pin (v ss ?0.3v) to (v cc +0.3v) v cc ? v ss -0.3v to +7.0v absolute maximum ratings (packaged parts) condition value junction temperature 150c storage temperature range -65c to +150c voltage applied to any pin (v ss ?0.3v) to (v cc +0.3v) lead temperature (soldering ? 10sec) 300c v cc ? v ss -0.3v to +7.0v [1] stresses above those listed may cause perm anent damage to the devic e. exposure to the absolute maximum ratings may affect device re liability and performance. functional operation is not implied at these conditions.
isd1800 series - 16 - 9.1 o perating c onditions operating conditions (die) condition value operating temperature range 0c to +50c play voltage (v cc ) [1] +2.7v to +4.5v ground voltage (v ss ) [2] 0v record supply voltage (v cc ) [1] +2.7v to 4.5v operating conditions (packaged parts) condition value commercial operating temperature range (case temperature) 0c to +70c play voltage (v cc ) [1] +2.7v to +4.5v ground voltage (v ss ) [2] 0v record supply voltage (v cc ) [1] +2.7v to 4.5v [1] v cc = v cca = v ccd [2] v ss = v ssa = v ssd
isd1800 series publication release date: june 7, 2005 - 17 - revision 0.3 10. electrical characteristics 10.1. dc p arameters parameter symbol min [2] typ [1] max [2] units conditions input low voltage v il 0.8 v input high voltage v ih 2.0 v output low voltage v ol 0.4 v i ol = 4.0 ma [3] output high voltage v oh 2.4 v i oh = -1.6 ma [3] v cc current (operating) i cc 30 ma v cc = 4.5v v cc current (standby) i sb 0.5 10 a [4] [5] input leakage current i ilpd1 + 1 a force v ss [6] input current high i ilpd2 30 150 400 a force v cc [7] input current high i ilpd3 3 130 a force v cc [8] output load impedance r ext 8 ? speaker load, sp+ to sp- preamp input resistance r mic, r micref 10 k ? mic sp+/- gain a msp 40 db agc = 0.0v notes: [1] typical values @ t a = 25 and v cc = 3.0v. [2] all min/max limits are guaranteed by winbond via electrical testing or characterization. not all specifications are 100 percent tested. [3] record led output, recled . [4] v cca and v ccd connected together. [5] rec, playl, playe, xclk, and ft must be at v ssd . [6] rec, playl and playe. [7] rec, playl and playe. [8] test limits of final test.
isd1800 series - 18 - 10.2. ac p arameters [1] characteristic symbol min [ 3] typ [2] max [3] units conditions sampling frequency f s 8 khz [4] isd1806 2.2 filter pass band f cf isd1810 2.2 khz 3 db roll-off point r osc = 100 k ? [5][6] isd1806 7.5 record duration t rec isd1810 10 sec r osc = 100k ? [4] isd1806 7.5 playback duration t play isd1810 10 sec r osc = 100k ? [4] eom pulse width t eom 84 msec debounce time t db 84 msec total harmonic distortion thd 1 % @ 1khz, v in =15mv pk-to-pk speaker output power p out 24.4 mw r ext = 8 ? voltage across speaker pins v out 1.25 2.5 vp-p r ext = 600 ? mic input voltage 15 300 mv peak-to-peak [7] notes: [1] these specifications apply with r osc = 100k ? , unless stated. [2] typical values @ t a = 25 and v cc = 3.0v. [3] all min/max limits are guaranteed by winbond via electrical testing or characterization. not all specifications are 100 percent tested. [4] oscillator stability may vary as much as + 5% over the operating temper ature and voltage ranges. (only the 7.5 sec duration of i1806 and 10 sec duration of i1810 are test ed/guaranteed) [5] low-frequency cutoff depends upon value of exte rnal capacitors (see pin descriptions) [6] filter specification applie s to the anti-aliasing filter and to the smoothing filter. [7] balanced input signal applied between mic and mic ref as shown in the applications example. single- ended mic or mic ref recommended to be less than 100 mv peak to peak.
isd1800 series publication release date: june 7, 2005 - 19 - revision 0.3 11. typical application circuit isd1800 rosc v ccd v cca v ssd v ssa sp + sp - mic mic ref agc ft playl playe rec xclk recled v cc c2 0.1 f r1 1 k (rext) 8 ' speaker ? ? c1 220 f ? ? electret microphone r2 r6 1 k ? c3 0.001 f
isd1800 series - 20 - 12. package drawing and dimensions 12.1. 28-l ead 300 mil s mall o utline ic (soic) p ackage 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 45 67 8 910 11 12 13 14 a d e f b g c h inches millimeters min nom max min nom max a 0.701 0.706 0.711 17.81 17.93 18.06 b 0.097 0.101 0.104 2.46 2.56 2.64 c 0.292 0.296 0.299 7.42 7.52 7.59 d 0.005 0.009 0.0115 0.127 0.22 0.29 e 0.014 0.016 0.016 0.35 0.41 0.48 f 0.050 1.27 0 g 0.400 0.406 0.410 10.16 10.31 10.41 h 0.024 0.032 0.040 0.61 0.81 1.02 note: lead coplanarity to be within 0.004 inches.
isd1800 series publication release date: june 7, 2005 - 21 - revision 0.3 12.2. 28-l ead 600 mil p lastic d ual i nline p ackage (pdip) ? s amples o nly inches millimeters min nom max min nom max a 1.445 1.450 1.455 36.70 36.83 36.96 b1 0.150 3.81 b2 0.065 0.070 0.075 1.65 1.78 1.91 c1 0.600 0.625 15.24 15.88 c2 0.530 0.540 0.550 13.46 13.72 13.97 d 0.19 4.83 d1 0.015 0.38 e 0.125 0.135 3.18 3.43 f 0.015 0.018 0.022 0.38 0.46 0.56 g 0.055 0.060 0.065 1.40 1.52 1.62 h 0.100 2.54 j 0.008 0.010 0.012 0.20 0.25 0.30 s 0.070 0.075 0.080 1.78 1.91 2.03 q 0 15 0 15
isd1800 series - 22 - 12.3. isd1800 b onding p hysical l ayout (d ie ) isd1800 o die dimensions x: 2530m (99.6mils) y: 2420m (95.3mils) o die thickness 11.5 + 0.5 mil (typ) o pad opening 90 x 90 microns notes: 1. the backside of die is internally connected to v ss . it must not be connected to any other potential or damage may occur. 2. die thickness is subject to change, please c ontact winbond factory for st atus and availability. isd1800 playl playe rec v ssd v ccd xclk ft mic mic ref agc sp - v ssa sp + v cca rosc recled
isd1800 series publication release date: june 7, 2005 - 23 - revision 0.3 isd1800 pad (x,y) coordinates (with respect to die center) pad # pad name pin # x axis (m) y axis (m) 1 agc 13 -522.35 -1037.20 2 recled 28 -126.05 1038.70 3 vccd 27 122.15 1038.70 4 xclk 26 358.38 1038.70 5 ft 25 630.45 1018.90 6 vssd 1 -368.95 1038.70 7 rec 2 -558.98 1038.70 8 playe 3 -760.15 1038.70 9 playl 4 -977.35 1038.70 10 sp+ 17 465.85 -1024.10 11 rosc 19 1007.85 -1037.20 12 vcca 18 772.85 -1037.20 13 vssa 16 158.85 -1037.20 14 sp- 15 -148.15 -1024.10 15 mic 10 -977.75 -1037.20 16 mic ref 12 -741.75 -1037.20 nc 5 nc 6 nc 7 nc 8 nc 9 nc 11 nc 14 nc 20 nc 21 nc 22 nc 23 nc 24
isd1800 series - 24 - 13. ordering information product number descriptor key when ordering, please refer to the following part numbers that are supported in volume for this product series. consult the local winbond sales r epresentative or distri butor for availability information. package part number ordering number comments die ISD1806X i1806x soic isd1806s i1806s pdip isd1806p i1806p samples only die isd1810x i1810x soic isd1810s i1810s pdip isd1810p i1810p samples only for the latest product information, access winbond?s worldwide website at http://www.wi nbond-usa.com isd18xx package type: isd1800 series duration: 06 = 6- to 12-second 10 = 8- to 16-second x = die s = small outline integrated circuit package (soic) p = plastic dual inline package (pdip)
isd1800 series publication release date: june 7, 2005 - 25 - revision 0.3 14. version history version date description 0.0 may 2003 preliminary specifications. cr eate one datasheet for both i1806 and i1810 products. revise duration section with both products. change filter passband values from 2.6 khz to 2.2khz in ac parameters section. 0.1 mar 2005 revise series name from i1800 to isd1800 update block diagram revise agc in pin description revise the mic and mic ref polarity in applications diagram update die information section update the ordering information section update the disclaim section 0.2 apr 2005 revise record cycles in fo in feature and storage sections update the disclaim section 0.3 jun 2005 revise pout and vout data in ac parameters section
isd1800 series - 26 - headquarters winbond electronics corporation america winbond electronics (shanghai) ltd. no. 4, creation rd. iii 2727 north first street, san jose, 27f, 299 yan an w. rd. shanghai, science-based industrial park, ca 95134, u.s.a. 200336 china hsinchu, taiwan tel: 1-408-9436666 tel: 86-21-62365999 tel: 886-3-5770066 fax: 1-408-5441797 fax: 86-21-62356998 fax: 886-3-5665577 http:// www.wi nbond-usa.com/ http:// www.wi nbond.com.tw/ taipei office winbond electronics corporat ion japan winbond electronics (h.k.) ltd. 9f, no. 480, pueiguang rd. 7f daini-ueno bldg. 3-7-18 unit 9-15, 22f, millennium city, neihu district shinyokohama kohokuku, no. 378 kwun tong rd., taipei, 114 taiwan yokohama, 222-0033 kowloon, hong kong tel: 886-2-81777168 tel: 81-45-4781881 tel: 852-27513100 fax: 886-2-87153579 fax: 81-45-4781800 fax: 852-27552064 please note that all data and specifications are subject to change without notice. all the trademarks of products and companies mentioned in this datasheet belong to their respective owners. winbond products are not designed, intended, authorized or warranted for use as components in systems or equipment intended for surgical implantation, atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, or fo r other applications intended to support or sustain life. furthermore, winbond products are not intended fo r applications wherein failure of winbond products could result or lead to a situation wherein personal injury, deat h or severe property or environmental damage could occur. winbond customers using or selling these products for use in su ch applications do so at their own risk and agree to fully indemnify winbond for any damages resulting from such improper use or sales. the contents of this document are provided only as a guide for the applications of winbond products. winbond makes no representation or warranties with respect to the accuracy or completeness of the c ontents of this publication and reserves the right to discontinue or make changes to specif ications and product descriptions at any time without notice. no license, whether express or implied, to any intellectual property or other right of winbond or others is granted by this publication. except as set forth in winbond's standard terms and conditions of sale, winbond assumes no liability whatsoever and disclaims any express or implied warrant y of merchantability, fitness for a particular purpose or infringement of any intellectual property. the contents of this document are pr ovided ?as is?, and winbond assumes no liability whatsoever and disclaims any express or implied warranty of merchant ability, fitness for a particular purpose or infringement of any intellectual property. in no event, shall winbond be liable for any damages w hatsoever (including, wit hout limitation, damages for loss of profits, business interruption, loss of information) arising out of the use of or inability to use the contents of this documents, even if winbond has been advised of the possibility of such damages. application examples and alternative uses of any integrated circuit contained in this publication are for illustration only and winbond makes no representation or warranty that such applications shall be suitable for the use specified. the 100-year retention and 100k record cycle projections are based upon accelerated reliability tests, as published in the winbond reliability report, and are nei ther warranted nor guaranteed by wi nbond. this product incorporates superflash ? . information contained in this isd ? chipcorder ? datasheet supersedes all data fo r the isd chipcorder products published by isd ? prior to august, 1998. this datasheet and any future addendum to this datasheet is(are) the complete and controlling isd ? chipcorder ? product specifications. in the event any inconsistenc ies exist between the information in this and other product documentation, or in the event that other product documentat ion contains information in addition to the information in this, the information contained herein supersedes and governs su ch other information in its entirety. this datasheet is subject to change without notice. copyright ? 2005, winbond electronics corporation. all rights reserved. chipcorder ? and isd ? are trademarks of winbond electronics corporation. superflash ? is the trademark of silicon storage technology, inc. all other trademarks are p ro p erties of their res p ective owners.

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