View ASM2I3805DG-20-DT_9048383.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

june 2005 asm2p3805x rev 0.2 alliance semiconductor 2575, augustine drive ? santa clara, ca ? tel: 408.855.4900 ? fax: 408.855.4999 ? www.alsc.com notice: the information in this document is subject to change without notice. 3.3v cmos dual 1-to-5 clock driver features ? advanced cmos technology ? guaranteed low skew < 200ps (max) ? very low propagation delay < 2.5ns (max) ? very low duty cycle distortion < 270ps (max) ? very low cmos power levels ? operating frequency up to 166mhz ? ttl compatible inputs and outputs ? inputs can be driven from 3.3v or 5v components ? two independent output banks with 3-state control ? 1:5 fanout per bank ? asm2p3805x where x =d for 133mhz operation x =e for 166mhz operation ? "heartbeat" monitor output ? v cc = 3.3v 0.3v ? available in ssop and qsop packages block diagram functional description the asm2p3805x is a 3.3v clock driver built using advanced cmos technology. the device consists of two banks of drivers, each with a 1: 5 fanout and its own output enable control. the device has a "heartbeat" monitor for diagnostics and pll driving. the mon output is identical to all other outputs and complies with the output specifications in this document. the asm2p3805x offers low capacitance inputs. the asm2p3805x is designed for high speed clock distribution where signal quality and skew are critical. the asm2p3805x also allows single point-to-point transmission line driving in applications such as address distribution, where one signal must be distributed to multiple receivers with low skew and high signal quality. pin diagram ob 1 ? ob 5 in a in b oe b oe a oa 1 ? oa 5 mon 5 5 a s m 2 p 3 8 0 5 x v ccb ob 1 ob 2 ob 3 gnd b ob 4 ob 5 mon oe b in b in a oe a gnd q oa 5 oa 4 gnd a oa 3 oa 2 oa 1 v cca 10 11 9 12 8 13 7 14 6 15 5 16 4 17 3 18 2 19 1 20
june 2005 asm2p3805x rev 0.2 3.3v cmos dual 1-to-5 clock driver 2 of 12 notice: the information in this document is subject to change without notice. pin description pin # pin names description 9,12 oe a , oe b 3-state output enable inputs (active low) 10,11 in a , in b clock inputs 2,3,4,6,7 oa 1 -oa 5 clock outputs from bank a 19,18,17,15,14 ob 1 -ob 5 clock outputs from bank b 1 v cca power supply for bank a 20 v ccb power supply for bank b 5 gnd a ground for bank a 16 gnd b ground for bank b 8 gnd q ground 13 mon monitor output function table 1 inputs outputs oe a , oe b in a , in b oa n , ob n mon l l l l l h h h h l z l h h z h note: 1 h = high; l = low; z = high-impedance capacitance (t a = +25c, f = 1.0mhz) symbol parameter 1 conditions typ max unit c in input capacitance v in = 0v 3 4 pf c out output capacitance v out = 0v ? 6 pf note: 1 this parameter is measured at characterization but not tested.
june 2005 asm2p3805x rev 0.2 3.3v cmos dual 1-to-5 clock driver 3 of 12 notice: the information in this document is subject to change without notice. absolute maximum ratings 1 symbol description max unit v cc input power supply voltage -0.5 to +4.6 v v i input voltage -0.5 to +5.5 v v o output voltage -0.5 to v cc +0.5 v t j junction temperature 150 c t stg storage temperature -65 to +165 c t dv static discharge voltage (as per jedec std 22- a114-b) 2 kv note: 1 these are stress ratings only and are not implied for functional use. exposure to absolute maximum ratings for prolonge d periods of time may affect device reliability. dc electrical characteristics over operating range following conditions apply unless otherwise specified industrial: t a = -40c to +85c, v cc = 3.3v 0.3v symbol parameter test conditions 1 min typ 2 max unit v ih input high level 2 - 5.5 v v il input low level -0.5 - 0.8 v i ih input high current v cc = max. v i = 5.5v - - 1 i il input low current v cc = max. v i = gnd - - 1 i ozh v o = v cc - - 1 i ozl high impedance output current (3-state outputs pins) v cc = max. v o = gnd - - 1 a v ik clamp diode voltage v cc = min., i in = ?18ma - -0.7 -1.2 v i odh output high current v cc = 3.3v, v in = v ih or v il , v o = 1.5v 3,4 -45 -74 -180 ma i odl output low current v cc = 3.3v, v in = v ih or v il , v o = 1.5v 3,4 50 90 200 ma i os short circuit current v cc = max., v o = gnd 3,4 -60 -135 -240 ma i ol = 12ma 2.4 5 3 - i oh = ?8ma 2.4 5 3 - v oh output high voltage v cc = min. v in = v ih or v il i oh = ?100a v cc - 0.2 - - v i ol = 12ma - 0.3 0.4 i ol = 8ma - 0.2 0.4 v ol output low voltage v cc = min. v in = v ih or v il i ol = 100a - - 0.2 v notes: 1. for conditions shown as max. or min., use appropriate val ue specified under electrical c haracteristics for the applicable de vice type. 2. typical values are at v cc = 3.3v, 25 c ambient. 3. not more than one output should be shorted at one ti me. duration of the test should not exceed one second. 4. this parameter is guaranteed but not tested. 5. v oh = v cc -0.6v at rated current.
june 2005 asm2p3805x rev 0.2 3.3v cmos dual 1-to-5 clock driver 4 of 12 notice: the information in this document is subject to change without notice. power supply characteristics symbol parameter test conditions 1 min typ 2 max unit i ccl i cch i ccz quiescent power supply current v cc = max. v in = gnd or v cc - 0.1 30 a ? i cc power supply current per input high v cc = max. v in = v cc ?0.6v - 45 300 a i ccd dynamic power supply current per output 3 v cc = max. c l = 15pf all outputs toggling v in = v cc v in = gnd - 80 120 a/mhz v in = v cc v in = gnd - 125 150 v cc = max. c l = 15pf all outputs toggling f i = 133mhz v in = v cc ?0.6v v in = gnd - 125 150 v in = v cc v in = gnd - 155 195 i c total power supply current 4 v cc = max. c l = 15pf all outputs toggling f i = 166mhz v in = v cc ?0.6v v in = gnd - 160 195 ma notes: 1. for conditions shown as max or min, use appropriate value s pecified under electrical charac teristics for the applicable devi ce type. 2. typical values are at v cc = 3.3v, +25c ambient. 3. this parameter is not directly testable, but is derived for use in total power supply calculations. 4. i c = iquiescent + iinputs + idynamic i c = i cc + ? i cc d h n t + i ccd (f o n o ) i cc = quiescent current (i ccl , i cch and i ccz ) ? i cc = power supply current for a ttl high input (v in = v cc -0.6v) d h = duty cycle for ttl inputs high n t = number of ttl inputs at d h i ccd = dynamic current caused by an i nput transition pair (hlh or lhl) f o = output frequency no = number of outputs at f o
june 2005 asm2p3805x rev 0.2 3.3v cmos dual 1-to-5 clock driver 5 of 12 notice: the information in this document is subject to change without notice. switching characteristics over operating range ? asm2p3805d 3,4 symbol parameter conditions 1 min 2 max unit t plh t phl propagation delay in a to oa n , in b to ob n 1 3 ns t r output rise time (measured from 0.8v to 2v) - 1.5 ns t f output fall time (measured from 2v to 0.8v) - 1.5 ns t sk(o) same device output pin to pin skew 5 - 270 ps t sk(p) pulse skew 6,9 - 270 ps t sk(pp) part to part skew 7 - 550 ps t pzl t pzh output enable time oe a to oa n , oe b to ob n - 5.2 ns t plz t phz output disable time oe a to oa n , oe b to ob n - 5.2 ns f max input frequency c l = 15pf f 133mhz - 133 mhz switching characteristics over operating range ? asm2p3805e 3,4 symbol parameter conditions 1,8 min 2 max unit t plh t phl propagation delay in a to oa n , inb to ob n 0.5 2.5 ns t r output rise time (measured from 0.7v to 1.7v) - 1 ns t f output fall time (measured from 1.7v to 0.7v) - 1 ns t sk(o) same device output pin to pin skew 5 - 200 ps t sk(p) pulse skew 6,9 - 270 ps t sk(pp) part to part skew 7 - 550 ps t pzl t pzh output enable time oe a to oa n , oe b to ob n - 5.2 ns t plz t phz output disable time oe a to oa n , oe b to ob n - 5.2 ns f max input frequency c l = 15pf f 166mhz - 166 mhz notes: 1. see test circuits and waveforms. 2. minimum limits are guaranteed but not tested on propagation delays. 3. t plh , t phl and t sk(o) are production tested. all other paramete rs guaranteed but not production tested. 4. propagation delay range indicated by min and max limit is due to v cc , operating temperature and process parameter s. these propagation delay limits do not imply skew. 5. skew measured between all outputs under iden tical transitions and load conditions. 6. skew measured is difference between propagation delay times t phl and t plh of same outputs under identical load conditions. 7. part to part skew for all outputs given iden tical transitions and load conditions at identical v cc levels and temperature. 8. airflow of 1m/s is recommended for frequencies above 133mhz. 9. this parameter is measured using f = 1mhz.
june 2005 asm2p3805x rev 0.2 3.3v cmos dual 1-to-5 clock driver 6 of 12 notice: the information in this document is subject to change without notice. test circuits and waveforms switch position test conditions symbol v cc = 3.3v 0.3v unit c l 15 pf r t z out of pulse generator ? r l 33 ? t r / t f 1 (0v to 3v or 3v to 0v) ns definitions : c l = load capacitance: includes jig and probe capacitance. r t = termination resistance: should be equal to z out of the pulse generator. t r / t f = rise/fall time of the input st imulus from the pulse generator. test switch disable low enable low 6v disable high enable high gnd
june 2005 asm2p3805x rev 0.2 3.3v cmos dual 1-to-5 clock driver 7 of 12 notice: the information in this document is subject to change without notice. test circuits and waveforms
june 2005 asm2p3805x rev 0.2 3.3v cmos dual 1-to-5 clock driver 8 of 12 notice: the information in this document is subject to change without notice. package information 20-lead ssop ( 150 mil ) package dimensions inches millimeters symbol min max min max a 0.053 0.069 1.346 1.753 a1 0.004 0.010 0.102 0.254 a2 ?. 0.059 ?. 1.499 d 0.337 0.344 8.560 8.738 c 0.007 0.012 0.178 0.274 e 0.228 0.244 5.791 6.198 e1 0.150 0.157 3.810 3.988 l 0.016 0.035 0.406 0.890 l1 0.010 basic 0.254 basic b 0.203 0.325 0.008 0.014 r1 0.003 ?. 0.08 ?.. a 0 8 0 8 e 0.025 basic 0.635 basic
june 2005 asm2p3805x rev 0.2 3.3v cmos dual 1-to-5 clock driver 9 of 12 notice: the information in this document is subject to change without notice. 20-lead qsop package dimensions inches millimeters symbol min max min max a 0.060 0.068 1.52 1.73 a1 0.004 0.008 0.10 0.20 b 0.009 0.012 0.23 0.30 c 0.007 0.010 0.18 0.25 d 0.337 0.344 8.56 8.74 e 0.150 0.157 3.81 3.99 e 0.025 bsc 0.64 bsc h 0.230 0.244 5.84 6.20 h 0.010 0.016 0.25 0.41 l 0.016 0.035 0.41 0.89 s 0.056 0.060 1.42 1.52 a 0 8 0 8
june 2005 asm2p3805x rev 0.2 3.3v cmos dual 1-to-5 clock driver 10 of 12 notice: the information in this document is subject to change without notice. ordering information part number marking package type temperature asm2p3805dg-20-ar 2p3805dg 20-pin ssop, tape & reel, green commercial asm2p3805dg-20-at 2p3805dg 20-pin ssop, tube, green commercial asm2p3805dg-20-dr 2p3805dg 20-pin qsop, tape & reel, green commercial asm2p3805dg-20-dt 2p3805dg 20-pin qsop, tube, green commercial asm2i3805dg-20-ar 2i3805dg 20-pin sso p, tape & reel, green industrial asm2i3805dg-20-at 2i3805dg 20-pi n ssop, tube, green industrial asm2i3805dg-20-dr 2i3805dg 20-pin qsop, tape & reel, green industrial ASM2I3805DG-20-DT 2i3805dg 20-pin qsop, tube, green industrial asm2p3805eg-20-ar 2p3805eg 20-pin ssop, tape & reel, green commercial asm2p3805eg-20-at 2p3805eg 20-pin ssop, tube, green commercial asm2p3805eg-20-dr 2p3805eg 20-pin qsop, tape & reel, green commercial asm2p3805eg-20-dt 2p3805eg 20-pin qsop, tube, green commercial asm2i3805eg-20-ar 2i3805eg 20-pin sso p, tape & reel, green industrial asm2i3805eg-20-at 2i3805eg 20-pi n ssop, tube, green industrial asm2i3805eg-20-dr 2i3805eg 20-pin qsop, tape & reel, green industrial asm2i3805eg-20-dt 2i3805eg 20-pin qsop, tube, green industrial
june 2005 asm2p3805x rev 0.2 3.3v cmos dual 1-to-5 clock driver 11 of 12 notice: the information in this document is subject to change without notice. device ordering information asm2p3805d g-20-at licensed under us patent #5,488, 627, #6,646,463 and #5,631,920. o = sot u = msop s = soic e = tqfp t = tssop l = lqfp a = ssop u = msop v = tvsop p = pdip b = bga d = qsop q = q fn x = sc-70 device pin count x= automotive i= industrial p or n/c = commercial (-40c to +125c) (-40c to +85c) (0c to +70c) 1 = reserved 6 = power management 2 = non pll based 7 = power management 3 = emi reduction 8 = power management 4 = ddr support products 9 = hi performance 5 = s td z e r o d e l ay b u ff er 0 = r ese rv ed alliance semiconductor mixed signal product part number f = lead free and rohs compliant part g = green package r = tape & reel, t = tube or tray
june 2005 asm2p3805x rev 0.2 3.3v cmos dual 1-to-5 clock driver 12 of 12 notice: the information in this document is subject to change without notice. ? copyright 2003 alliance semiconductor corporation. all rights reserved. our three-point logo, our name and intelliwatt are trademarks or registered trademarks of alliance. all other brand and product names may be the trademarks of their respective companies. alliance reserves the right to make ch anges to this document and its products at any time without notice. alliance assumes no responsibility for any errors t hat may appear in this document. the data contained herein represents alliance's best data and/or estimate s at the time of issuance. alliance rese rves the right to change or correct this data at any time, without notice. if the product described herein is under development, significant changes to these specifications are possible. the information in this product data sheet is intended to be general descriptive information for potential customers and users, and is not in tended to operate as, or provide, any guarantee or warrantee to any user or customer. alliance does not assume any responsibility or lia bility arising out of the applic ation or use of any product described herein, and disclaims any express or implied warrant ies related to the sale and/or use of alliance products including liability or warranties related to fitness for a particular purpose, mercha ntability, or infringement of any intellec tual property rights, except as express agreed to in alliance's terms and conditions of sale (which are available from alliance). all sales of alliance products are made exclusively according to alliance's terms and conditions of sale. the purchase of products from alliance does not convey a license under any pa tent rights, copyrights; mask works rights, trademarks, or any other intellectual property rights of alli ance or third parties. alliance does not aut horize its products for use as critical components in life-supporting systems where a malfunction or fa ilure may reasonably be expected to result in significant injury to the user, and the inclusion of alliance products in such life-supporting systems implies that the manufacturer assumes all risk of such use and agrees to indemnify alliance against all claims arising from such use. alliance semiconductor corporation 2575, augustine drive, santa clara, ca 95054 tel# 408-855-4900 fax: 408-855-4999 www.alsc.com copyright ? alliance semiconductor all rights reserved part number: asm2p3805x document version: 0.2 note: this product utilizes us patent # 6,646,463 impedance emulator patent issued to alliance semiconductor, dated 11-11-2003

▲Up To Search▲

Price & Availability of ASM2I3805DG-20-DT

	To Download ASM2I3805DG-20-DT Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .