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april 2006 rev 4 1/24 1 m27c4002 4 mbit (256kb x16) uv eprom and otp eprom feature summary 5v 10% supply voltage for read operations access time: 45ns low power consumption ? active current 70ma at 10mhz ? standby current 100a programming voltage: 12.75v 0.25v programming time: 100s/word electronic signature ? manufacturer code: 20h ? device code: 44h ecopack ? packages available 1 40 1 40 fdip40w (f) pdip40 (b) plcc44 (c) tsop40 (n) 10 x 20 mm www.st.com
contents m27c4002 2/24 contents 1 summary description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 device operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.1 read mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.2 standby mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.3 two line output control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.4 system considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.5 programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.6 presto ii programming algorithm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.7 program inhibit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.8 program verify . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.9 electronic signature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.10 erasure operation (applies to uv eprom) . . . . . . . . . . . . . . . . . . . . . . . 11 3 maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 4 dc and ac parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 5 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 6 part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 7 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
m27c4002 list of tables 3/24 list of tables table 1. signal names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 table 2. operating modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 table 3. electronic signature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 table 4. absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 table 5. ac measurement conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 table 6. capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 table 7. read mode dc characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 table 8. programming mode dc characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 table 9. read mode ac characteristics 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 5 table 10. read mode ac characteristics 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 table 11. read mode ac characteristics 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 table 12. programming mode ac characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 table 13. fdip40w - 40 pin ceramic frit-seal dip with window, package mechanical data . . . . . . 18 table 14. pdip40 - 40 pin plastic dip, 600 mils width, package mechanical data . . . . . . . . . . . . . . 19 table 15. plcc44 - 44 lead plastic leaded chip carrier, package mechanical data. . . . . . . . . . . . 20 table 16. tsop40 - 40 lead plastic thin small outline, 10 x 20 mm, mechnical data . . . . . . . . . . . 21 table 17. ordering information scheme. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 table 18. document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
list of figures m27c4002 4/24 list of figures figure 1. logic diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 figure 2. dip connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 figure 3. lcc connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 figure 4. tsop connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 figure 5. programming flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 figure 6. ac testing input output waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 figure 7. ac testing load circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 figure 8. read mode ac waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 figure 9. programming and verify modes ac waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 figure 10. fdip40w - 40 pin ceramic frit-seal dip with window, package outline . . . . . . . . . . . . . . 18 figure 11. pdip40 - 40 lead plastic dip, 600 mils width, package outline. . . . . . . . . . . . . . . . . . . . . 19 figure 12. plcc44 - 44 lead plastic leaded chip carrier, package outline . . . . . . . . . . . . . . . . . . . 20 figure 13. tsop40 - 40 lead plastic thin small outline, 10 x 20 mm, package outline . . . . . . . . . . 21
m27c4002 summary description 5/24 1 summary description the m27c4002 is a 4 mbit eprom offered in the two ranges uv (ultra violet erase) and otp (one time programmable). it is ideally suited for microprocessor systems requiring large programs and is organized as 262,144 words of 16 bits. the fdip40w (window ceramic frit-seal package) has transparent lids which allow the user to expose the chip to ultraviolet light to erase the bit pattern. a new pattern can then be written to the device by following the programming procedure. for applications where the content is programmed only one time and erasure is not required, the m27c4002 is offered in pdip40, plcc44 and tsop40 (10 x 20 mm) packages. in order to meet environmental requirements, st offers the m27c4002 in ecopack ? packages. ecopack packages are lead-free. the category of second level interconnect is marked on the package and on the inner box label, in compliance with jedec standard jesd97. the maximum ratings related to soldering conditions are also marked on the inner box label. ecopack is an st trademark. ecopack specifications are available at: www.st.com . figure 1. logic diagram ai00727b 18 a0-a17 q0-q15 v pp v cc m27c4002 v ss 16 g e
summary description m27c4002 6/24 figure 2. dip connections table 1. signal names a0-a17 address inputs q0-q15 data outputs e chip enable g output enable v pp program supply v cc supply voltage v ss ground nc not connected internally q6 q5 q4 q11 q8 v ss q7 q10 q9 a12 a8 a11 a10 a6 a13 a9 v ss a7 a2 q1 q0 a0 g a1 a5 a16 a17 e q12 v pp v cc q15 ai00728 m27c4002 8 1 2 3 4 5 6 7 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 q3 q2 q14 q13 a4 a3 40 39 38 37 36 35 34 33 a14 a15
m27c4002 summary description 7/24 figure 3. lcc connections figure 4. tsop connections ai00729 a14 a11 a7 a3 23 q6 q5 q4 q3 q2 nc a2 q12 q8 v ss nc q11 q10 12 a15 a9 1 q15 v ss a12 q13 a5 44 nc a16 m27c4002 q14 a13 a4 nc a6 34 q1 q9 a10 a8 q7 q0 g a0 a1 v pp e a17 v cc dq6 dq3 dq2 dq13 dq8 dq7 dq10 dq9 a14 a8 a11 a10 a4 a15 a9 g a7 a2 dq1 dq0 a0 a1 a3 a16 a17 e dq14 v pp v cc dq15 ai01831 m27c4002 (normal) 10 1 11 20 21 30 31 40 v ss a12 a6 a13 a5 dq12 dq4 dq11 dq5 v ss
device operation m27c4002 8/24 2 device operation the operating modes of the m27c4002 are listed in the operating modes table. a single power supply is required in the read mode. all inputs are ttl levels except for v pp and 12v on a9 for electronic signature. 2.1 read mode the m27c4002 has two control functions, both of which must be logically active in order to obtain data at the outputs. chip enable (e ) is the power control and should be used for device selection. output enable (g ) is the output control and should be used to gate data to the output pins, independent of device selection. assuming that the addresses are stable, the address access time (t avqv ) is equal to the delay from e to output (t elqv ). data is available at the output after a delay of t glqv from the falling edge of g , assuming that e has been low and the addresses have been stable for at least t avqv -t glqv . 2.2 standby mode the m27c4002 has a standby mode which reduces the supply current from 50ma to 100a. the m27c4002 is placed in the standby mode by applying a cmos high signal to the e input. when in the standby mode, the outputs are in a high impedance state, independent of the g input. 2.3 two line output control because eproms are usually used in larger memory arrays, the product features a 2 line control function which accommodates the use of multiple memory connection. the two line control function allows: the lowest possible memory power dissipation complete assurance that output bus contention will not occur. for the most efficient use of these two control lines, e should be decoded and used as the primary device selecting function, while g should be made a common connection to all devices in the array and connected to the read line from the system control bus. this ensures that all deselected memory devices are in their low power standby mode and that the output pins are only active when data is required from a particular memory device.
m27c4002 device operation 9/24 2.4 system considerations the power switching characteristics of advanced cmos eproms require careful decoupling of the devices. the supply current, i cc , has three segments that are of interest to the system designer: the standby current level, the active current level, and transient current peaks that are produced by the falling and rising edges of e . the magnitude of the transient current peaks is dependent on the output capacitive and inductive loading of the device. the associated transient voltage peaks can be suppressed by complying with the two line output control and by properly selected decoupling capacitors. it is recommended that a 0.1f ceramic capacitor be used on every device between v cc and v ss . this should be a high frequency capacitor of low inherent inductance and should be placed as close to the device as possible. in addition, a 4.7f bulk electrolytic capacitor should be used between v cc and v ss for every eight devices. the bulk capacitor should be located near the power supply connection point.the purpose of the bulk capacitor is to overcome the voltage drop caused by the inductive effects of pcb traces. 2.5 programming when delivered (and after each erasure for uv eprom), all bits of the m27c4002 are in the '1' state. data is introduced by selectively programming '0's into the desired bit locations. although only '0's will be programmed, both '1's and '0's can be present in the data word. the only way to change a '0' to a '1' is by die exposure to ultraviolet light (uv eprom). the m27c4002 is in the programming mode when v pp input is at 12.75v, g is at v ih and e is pulsed to v il . the data to be programmed is applied to 16 bits in parallel to the data output pins. the levels required for the address and data inputs are ttl. v cc is specified to be 6.25v 0.25v. 2.6 presto ii programming algorithm presto ii programming algorithm allows the whole array to be programmed with a guaranteed margin, in a typical time of 26.5 seconds. programming with presto ii consists of applying a sequence of 100s program pulses to each byte until a correct verify occurs (see figure 5 ). during programming and verify operation, a margin mode circuit is automatically activated in order to guarantee that each cell is programmed with enough margin. no overprogram pulse is applied since the verify in margin mode provides necessary margin to each programmed cell.
device operation m27c4002 10/24 figure 5. programming flowchart 2.7 program inhibit programming of multiple m27c4002 devices in parallel with different data is also easily accomplished. except for e , all like inputs including g of the parallel m27c4002 may be common. a ttl low level pulse applied to a m27c4002 e input, with v pp at 12.75v, will program that m27c4002. a high level e input inhibits the other m27c4002 devices from being programmed. 2.8 program verify a verify (read) should be performed on the programmed bits to determine that they were correctly programmed. the verify is accomplished with g at v il , e at v ih , v pp at 12.75v and v cc at 6.25v. 2.9 electronic signature the electronic signature (es) mode allows the reading out of a binary code from an eprom that will identify its manufacturer and type. this mode is intended for use by programming equipment to automatically match the device to be programmed with its corresponding programming algorithm. the es mode is functional in the 25c 5c ambient temperature range that is required when programming the m27c4002. to activate the es mode, the programming equipment must force 11.5v to 12.5v on address line a9 of the m27c4002 with v pp =v cc = 5v. two identifier bytes may then be sequenced from the device outputs by toggling address line a0 from v il to v ih . all other address lines must be held at v il during electronic signature mode. byte 0 (a0 = v il ) represents the manufacturer code and byte 1 (a0 = v ih ) the device identifier code. for the stmicroelectronics ai00726c n = 0 last addr verify e = 100 s pulse ++n = 25 ++ addr v cc = 6.25v, v pp = 12.75v fail check all words 1st: v cc = 6v 2nd: v cc = 4.2v yes no yes no yes no
m27c4002 device operation 11/24 m27c4002, these two identifier bytes are given in table 3: electronic signature and can be read-out on outputs q7 to q0. 2.10 erasure operation (applies to uv eprom) the erasure characteristics of the m27c4002 are such that erasure begins when the cells are exposed to light with wavelengths shorter than approximately 4000 ?. it should be noted that sunlight and some type of fluorescent lamps have wavelengths in the 3000-4000 ? range. research shows that constant exposure to room level fluorescent lighting could erase a typical m27c4002 in about 3 years, while it would take approximately 1 week to cause erasure when exposed to direct sunlight. if the m27c4002 is to be exposed to these types of lighting conditions for extended periods of time, it is suggested that opaque labels be put over the m27c4002 window to prevent unintentional erasure. the recommended erasure procedure for the m27c4002 is exposure to short wave ultraviolet light which has wavelength 2537 ?. the integrated dose (i.e. uv intensity x exposure time) for erasure should be a minimum of 15 w-sec/cm 2 . the erasure time with this dosage is approximately 15 to 20 minutes using an ultraviolet lamp with 12000 w/cm 2 power rating. the m27c4002 should be placed within 2.5cm (1 inch) of the lamp tubes during the erasure. some lamps have a filter on their tubes which should be removed before erasure. table 2. operating modes (1) 1. x = v ih or v il , v id = 12v 0.5v. mode e g a9 v pp q15-q0 read v il v il xv cc or v ss data out output disable v il v ih xv cc or v ss hi-z program v il pulse v ih xv pp data in verify v ih v il xv pp data out program inhibit v ih v ih xv pp hi-z standby v ih xxv cc or v ss hi-z electronic signature v il v il v id v cc codes table 3. electronic signature (1) 1. outputs q15-q8 are set to '0'. identifier a0 q7 q6 q5 q4 q3 q2 q1 q0 hex data manufacturer?s code v il 00100000 20h device code v ih 01000100 44h
maximum rating m27c4002 12/24 3 maximum rating stressing the device above the rating listed in the absolute maximum ratings table may cause permanent damage to the device. these are stress ratings only and operation of the device at these or any other conditions above those indicated in the operating sections of this specification is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. refer also to the stmicroelectronics sure program and other relevant quality documents. table 4. absolute maximum ratings symbol parameter value unit t a ambient operating temperature (1) 1. depends on range. ?40 to 125 c t bias temperature under bias ?50 to 125 c t stg storage temperature ?65 to 150 c v io (2) 2. minimum dc voltage on input or output is ?0.5v with possible undershoot to ?2.0v for a period less than 20ns. maximum dc voltage on output is v cc +0.5v with possible overshoot to v cc +2v for a period less than 20ns. input or output voltage (except a9) ?2 to 7 v v cc supply voltage ?2 to 7 v v a9 (2) a9 voltage ?2 to 13.5 v v pp program supply voltage ?2 to 14 v
m27c4002 dc and ac parameters 13/24 4 dc and ac parameters this section summarizes the operating and measurement conditions, and the dc and ac characteristics of the device. the parameters in the dc and ac characteristic tables that follow are derived from tests performed under the measurement conditions summarized in the relevant tables. designers should check that the operating conditions in their circuit match the measurement conditions when relying on the quoted parameters. figure 6. ac testing input output waveform figure 7. ac testing load circuit table 5. ac measurement conditions parameter high speed standard input rise and fall times 10ns 20ns input pulse voltages 0 to 3v 0.4v to 2.4v input and output timing ref. voltages 1.5v 0.8v and 2v ai01822 3v high speed 0v 1.5v 2.4v standard 0.4v 2.0v 0.8v ai01823b 1.3v out c l c l = 30pf for high speed c l = 100pf for standard c l includes jig capacitance 3.3k ? 1n914 device under test
dc and ac parameters m27c4002 14/24 table 6. capacitance (1)(2) 1. t a = 25 c, f = 1 mhz. 2. sampled only, not 100% tested. symbol parameter test condition min max unit c in input capacitance v in = 0v 6 pf c out output capacitance v out = 0v 12 pf table 7. read mode dc characteristics (1)(2) 1. t a = 0 to 70c or ?40 to 85c; v cc = 5v 5% or 5v 10%; v pp = v cc . 2. v cc must be applied simultaneously with or before v pp and removed simultaneously or after v pp . symbol parameter test condition min max unit i li input leakage current 0v v in v cc 10 a i lo output leakage current 0v v out v cc 10 a i cc supply current e = v il , g = v il , i out = 0ma, f = 10mhz 70 ma e = v il , g = v il , i out = 0ma, f = 5mhz 50 ma i cc1 supply current (standby) ttl e = v ih 1ma i cc2 supply current (standby) cmos e > v cc ? 0.2v 100 a i pp program current v pp = v cc 10 a v il input low voltage ?0.3 0.8 v v ih (3) 3. maximum dc voltage on output is v cc +0.5v. input high voltage 2 v cc + 1 v v ol output low voltage i ol = 2.1ma 0.4 v v oh output high voltage ttl i oh = ?400a 2.4 v output high voltage cmos i oh = ?100a v cc ? 0.7v v table 8. programming mode dc characteristics (1)(2) 1. t a = 25 c; v cc = 6.25v 0.25v; v pp = 12.75v 0.25v. 2. v cc must be applied simultaneously with or before v pp and removed simultaneously or after v pp . symbol parameter test condition min max unit i li input leakage current v il v in v ih 10 a i cc supply current 50 ma i pp program current e = v il 50 ma v il input low voltage ?0.3 0.8 v v ih input high voltage 2 v cc + 0.5 v v ol output low voltage i ol = 2.1ma 0.4 v v oh output high voltage ttl i oh = ?400a 2.4 v v id a9 voltage 11.5 12.5 v
m27c4002 dc and ac parameters 15/24 table 9. read mode ac characteristics 1 (1)(2) symbol alt parameter test condition m27c4002 unit - 45 (3) -60 (3) -70 minmaxminmaxminmax t avqv t acc address valid to output valid e = v il , g = v il 45 60 70 ns t elqv t ce chip enable low to output valid g = v il 45 60 70 ns t glqv t oe output enable low to output valid e = v il 25 30 35 ns t ehqz (4) t df chip enable high to output hi-z g = v il 030030030ns t ghqz (4) t df output enable high to output hi-z e = v il 030030030ns t axqx t oh address transition to output transition e = v il , g = v il 000ns 1. t a = 0 to 70c or ?40 to 85c; v cc = 5v 5% or 5v 10%; v pp = v cc . 2. v cc must be applied simultaneously with or before v pp and removed simultaneously or after v pp . 3. speed obtained with high speed ac measurement conditions. 4. sampled only, not 100% tested. table 10. read mode ac characteristics 2 (1)(2) symbol alt parameter test condition m27c4002 unit -80 -90 -10 min max min max min max t avqv t acc address valid to output valid e = v il , g = v il 80 90 100 ns t elqv t ce chip enable low to output valid g = v il 80 90 100 ns t glqv t oe output enable low to output valid e = v il 40 40 50 ns t ehqz (3) t df chip enable high to output hi-z g = v il 030030030ns t ghqz (3) t df output enable high to output hi-z e = v il 030030030ns t axqx t oh address transition to output transition e = v il , g = v il 000ns 1. t a = 0 to 70c or ?40 to 85c; v cc = 5v 5% or 5v 10%; v pp = v cc . 2. v cc must be applied simultaneously with or before v pp and removed simultaneously or after v pp . 3. sampled only, not 100% tested.
dc and ac parameters m27c4002 16/24 figure 8. read mode ac waveforms table 11. read mode ac characteristics 3 (1)(2) symbol alt parameter test condition m27c4002 unit -12 -15 -20 min max min max min max t avqv t acc address valid to output valid e = v il , g = v il 120 150 200 ns t elqv t ce chip enable low to output valid g = v il 120 150 200 ns t glqv t oe output enable low to output valid e = v il 60 60 70 ns t ehqz (3) t df chip enable high to output hi-z g = v il 040050080ns t ghqz (3) t df output enable high to output hi-z e = v il 040050080ns t axqx t oh address transition to output transition e = v il , g = v il 000ns 1. t a = 0 to 70c or ?40 to 85c; v cc = 5v 5% or 5v 10%; v pp = v cc . 2. v cc must be applied simultaneously with or before v pp and removed simultaneously or after v pp . 3. sampled only, not 100% tested. ai00731b taxqx tehqz a0-a17 e g q0-q15 tavqv tghqz tglqv telqv valid hi-z valid
m27c4002 dc and ac parameters 17/24 figure 9. programming and verify modes ac waveforms table 12. programming mode ac characteristics (1)(2)(3) symbol alt parameter test condition min max unit t avel t as address valid to chip enable low 2 s t qvel t ds input valid to chip enable low 2 s t vphel t vps v pp high to chip enable low 2 s t vchel t vcs v cc high to chip enable low 2 s t eleh t pw chip enable program pulse width 95 105 s t ehqx t dh chip enable high to input transition 2 s t qxgl t oes input transition to output enable low 2 s t glqv t oe output enable low to output valid 100 ns t ghqz t dfp output enable high to output hi-z 0 130 ns t ghax t ah output enable high to address transition 0ns 1. t a = 25 c; v cc = 6.25v 0.25v; v pp = 12.75v 0.25v. 2. v cc must be applied simultaneously with or before v pp and removed simultaneously or after v pp . 3. sampled only, not 100% tested. tavel valid ai00730 a0-a17 q0-q15 v pp v cc g data in data out e tqvel tvphel tvchel tehqx teleh tglqv tqxgl tghqz tghax program verify
package mechanical data m27c4002 18/24 5 package mechanical data figure 10. fdip40w - 40 pin ceramic frit -seal dip with window, package outline 1. drawing is not to scale. fdipw-a a3 a1 a l b1 b e d s e1 e n 1 c ea d2 ? eb a2 table 13. fdip40w - 40 pin ceramic frit-seal dip with window, package mechanical data symbol millimeters inches typ min max typ min max a 5.72 0.225 a1 0.51 1.40 0.020 0.055 a2 3.91 4.57 0.154 0.180 a3 3.89 4.50 0.153 0.177 b 0.41 0.56 0.016 0.022 b1 1.45 ? ? 0.057 ? ? c 0.23 0.30 0.009 0.012 d 51.79 52.60 2.039 2.071 d248.26? ?1.900? ? e 15.24 ? ? 0.600 ? ? e1 13.06 13.36 0.514 0.526 e 2.54 ? ? 0.100 ? ? ea 14.99 ? ? 0.590 ? ? eb 16.18 18.03 0.637 0.710 l 3.18 0.125 s 1.52 2.49 0.060 0.098 ? 7.62 ? ? 0.300 ? ? 4 11 4 11 n40 40
m27c4002 package mechanical data 19/24 figure 11. pdip40 - 40 lead plastic dip, 600 mils width, package outline 1. drawing is not to scale. pdip a2 a1 a l b1 b e1 d s e1 e n 1 c ea eb d2 table 14. pdip40 - 40 pin plastic dip, 600 mils width, package mechanical data symbol millimeters inches typ min max typ min max a 4.45 ? ? 0. 175 ? ? a1 0.64 0.38 ? 0.025 0.015 ? a2 3.56 3.91 0.140 0.154 b 0.38 0.53 0.015 0.021 b1 1.14 1.78 0.045 0.070 c 0.20 0.31 0.008 0.012 d 51.78 52.58 2.039 2.070 d248.26? ?1.900? ? e 14.80 16.26 0.583 0.640 e1 13.46 13.99 0.530 0.551 e1 2.54 ? ? 0.100 ? ? ea 15.24 ? ? 0.600 ? eb 15.24 17.78 0.600 0.700 l 3.05 3.81 0.120 0.150 s 1.52 2.29 0.060 0.090 0 15 0 15 n40 40
package mechanical data m27c4002 20/24 figure 12. plcc44 - 44 lead plastic leaded chip carrier, package outline 1. drawing is not to scale. plcc-b d e3 e1 e 1 n d1 d3 cp b e2 e b1 a1 a c d2 a2 table 15. plcc44 - 44 lead plastic leaded chip carrier, package mechanical data symbol millimeters inches typ min max typ min max a 4.200 4.570 0.1654 0.1799 a1 2.290 3.040 0.0902 0.1197 a2 3.650 3.700 0.1437 0.1457 b 0.331 0.533 0.0130 0.0210 b1 0.661 0.812 0.0260 0.0320 cp 0.101 0.0040 c 0.510 0.0201 d 17.400 17.650 0.6850 0.6949 d1 16.510 16.662 0.6500 0.6560 d2 14.990 16.000 0.5902 0.6299 d3 12.700 ? ? 0.5000 ? ? e 17.400 17.650 0.6850 0.6949 e1 16.510 16.660 0.6500 0.6559 e2 14.990 16.000 0.5902 0.6299 e3 12.700 ? ? 0.5000 ? ? e 1.270 ? ? 0.0500 ? ? n44 44
m27c4002 package mechanical data 21/24 figure 13. tsop40 - 40 lead plastic thin small outline, 10 x 20 mm, package outline 1. drawing is not to scale. tsop-a d1 e 1 n cp b e a2 a n/2 d die c l a1 table 16. tsop40 - 40 lead plastic thin small outline, 10 x 20 mm, mechnical data symbol millimeters inches typ min max typ min max a 1.200 0.0472 a1 0.050 0.150 0.0020 0.0059 a2 0.950 1.050 0.0374 0.0413 b 0.170 0.270 0.0067 0.0106 c 0.100 0.210 0.0039 0.0083 cp 0.100 0.0039 d 19.800 20.200 0.7795 0.7953 d1 18.300 18.500 0.7205 0.7283 e 0.500 ? ? 0.0197 ? ? e 9.900 10.100 0.3898 0.3976 l 0.500 0.700 0.0197 0.0276 05 05 n40 40
part numbering m27c4002 22/24 6 part numbering for a list of available options (speed, package, etc...) or for further information on any aspect of this device, please contact the stmicroelectronics sales office nearest to you. table 17. ordering information scheme example: m27c4002 -80 x c 1 tr device type m27 supply voltage c = 5v device function 4002 = 4 mbit (256kb x16) speed -45 = 45 ns (1) 1. high speed, see section 4: dc and ac parameters for further information. -60 (1) = 60 ns -70 = 70 ns -80 = 80 ns -90 = 90 ns -10 = 100 ns -12 = 120 ns -15 = 150 ns -20 = 200 ns v cc tolerance blank = 10% x = 5% package f = fdip40w b = pdip40 c = plcc44 n = tsop40: 10 x 20 mm temperature range 1 = 0 to 70 c 6 = ?40 to 85 c options tr = tape & reel packing
m27c4002 revision history 23/24 7 revision history table 18. document revision history date revision changes september 1998 1 first issue 25-sep-2000 2 an620 reference removed 30-aug-2001 3 70ns speed class added 06-apr-2006 4 datasheet converted to new corporate template. packages are ecopack ? compliant. jlccc32w package removed. plcc44 outline and mechanical data. tsop40 10x20mm mechanical data updated. additional burn-in options removed from table 17: ordering information scheme .
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