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gs71024t/u 64k x 24 1.5mb asynchronous sram 8, 9, 10, 12, 15 ns 3.3 v v dd center v dd and v ss tqfp, fp-bga commercial temp industrial temp rev: 1.05 11/2004 1/13 ? 1999, gsi technology specifications cited are subject to change without notice . for latest documentation see http://www.gsitechnology.com. features ? fast access time: 8, 9, 10, 12, 15 ns ? cmos low power operation: 190/170/160/130/110 ma at minimum cycle time. ? single 3.3 v 0.3 v power supply ? all inputs and outputs are ttl-compatible ? fully static operation ? industrial temperatur e option: ?40 to 85c ? package t: 100-pin tqfp package u: 6 mm x 8 mm fine pitch ball grid array gt: pb-free 100-pin tqfp available description the gs71024 is a high speed cmos static ram organized as 65,536 words by 24 bits. static design eliminates the need for external clocks or timing strobes. the gs71024 operates on a single 3.3 v power supply, and all inputs and outputs are ttl- compatible. the gs71024 is available in a 6 mm x 8 mm fine pitch bga package, as well as in a 100-pin tqfp package. fine pitch bga bump configuration 6 mm x 8 mm, 0.75 mm bump pitch top view block diagram 123456 a dq a 3 a 2 a 1 a 0 dq b dq dq ce2 we dq dq c dq dq ce1 oe dq dq d v ss dq a 5 a 4 dq v dd e v dd dq a 7 a 6 dq v ss f dq dq a 9 a 8 dq dq g dq dq a 11 a 10 dq dq h dq a 15 a 14 a 13 a 12 dq pin descriptions symbol description symbol description a 0 to a 15 address input dq 1 to dq 24 data input/output x/y vector input v/s address multiplexer control we write enable input oe output enable input ce1 , ce2 chip enable input ? ? v dd +3.3 v power supply v ss ground memory array 1024 x 1536 row decoder column decoder address input control i/o buffer a 0 a 15 ce1 we oe dq 1 dq 24 0 1 q a 14 x/y v/s ce2
gs71024t/u specifications cited are subject to change without notice . for latest documentation see http://www.gsitechnology.com. rev: 1.05 11/2004 2/13 ? 1999, gsi technology 100-pin tqfp pinout nc nc nc nc nc dq dq dq dq v ss v dd dq dq v ss nc v dd nc dq dq v dd v ss dq dq dq dq nc nc nc nc nc nc a a a a a a nc nc v ss v dd nc nc a a a a a nc a a ce1 nc nc nc we nc v dd v ss oe nc nc nc a 0 a 1 a to p vi e w nc nc dq dq v ss v dd dq dq nc v dd nc v ss dq dq v dd v ss dq dq dq nc nc nc nc dq dq nc nc nc dq nc 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 10099989796959493929190898887868584838281 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 v/s ce2 nc x/y
gs71024t/u specifications cited are subject to change without notice . for latest documentation see http://www.gsitechnology.com. rev: 1.05 11/2004 3/13 ? 1999, gsi technology x: ?h? or ?l? note: permanent device damage may occur if absolute maximum ratings ar e exceeded. functional operation shall be restricted to recomme nded operating conditions. exposure to higher than recommended voltages for extended peri ods of time could affect device reliability . truth table ce1 ce2 oe we v/s mode dq0 to dq23 v dd current hxxxx not selected high z isb1, isb2 x l x x x not selected high z l h l h h read using x/y data out i dd l h l h l read using a15 data out l h x l h write using x/y data in l h x l l write using a15 data in l h h h x output disable high z absolute maximum ratings parameter symbol rating unit supply voltage v dd ?0.5 to +4.6 v input voltage v in ?0.5 to v dd + 0.5 ( 4.6 v max.) v output voltage v out ?0.5 to v dd + 0.5 ( 4.6 v max.) v allowable tqfp power dissipation pd 1 w allowable fpbga power dissipation pd 1 w storage temperature t stg ?55 to 150 o c
gs71024t/u specifications cited are subject to change without notice . for latest documentation see http://www.gsitechnology.com. rev: 1.05 11/2004 4/13 ? 1999, gsi technology notes: 1. input overshoot voltage should be less than v dd + 2 v and not exceed 20 ns. 2. input undershoot voltage should be greater than ?2 v and not exceed 20 ns. notes: 1. tested at t a = 25c, f = 1 mhz 2. these parameters are sampled and are not 100% tested recommended oper ating conditions parameter symbol minimum typical maximum unit supply voltage for -10/12/15 v dd 3.0 3.3 3.6 v supply voltage for -8 v dd 3.135 3.3 3.6 v input high voltage v ih 2.0 ? v dd + 0.3 v input low voltage v il ?0.3 ? 0.8 v ambient temperature, commercial range t ac 0?70 o c ambient temperature, industrial range t ai ?40 ? 85 o c capacitance parameter symbol test condition maximum unit input capacitance c in v in = 0 v 5pf i/o capacitance c out v out = 0 v 7pf dc i/o pin characteristics parameter symbol test conditions minimum maximum input leakage current i il v in = 0 to v dd ?1ua 1ua output leakage current i ol output high z, v out = 0 to v dd ?1ua 1ua output high voltage v oh i oh = ?4ma 2.4 ? output low voltage v ol i ol = +4ma ?0.4 v
gs71024t/u specifications cited are subject to change without notice . for latest documentation see http://www.gsitechnology.com. rev: 1.05 11/2004 5/13 ? 1999, gsi technology ac test conditions power supply currents parameter symbol test conditions 0 to 70c -40 to 85c 8 ns 9 ns 10 ns 12 ns 15 ns 10 ns 12 ns 15 ns operating supply current i dd ce v il all other inputs v ih or v il min. cycle time i out = 0 ma 190 ma 170 ma 160 ma 130 ma 110 ma 165 ma 135 ma 115 ma standby current i sb1 ce v ih all other inputs v ih or v il min. cycle time 45 ma 45 ma 40 ma 35 ma 30 ma 45 ma 40 ma 35 ma standby current i sb2 ce v dd ? 0.2 v all other inputs v dd ? 0.2 v or 0.2 v 10 ma 15 ma dq vt = 1.4 v 50 ? 30pf 1 dq 3.3 v output load 1 output load 2 589 ? 434 ? 5pf 1 notes: 1. include scope and jig capacitance. 2. test conditions as specified with output loading as shown in fig. 1 unless otherwise noted 3. output load 2 for t lz , t hz , t olz and t ohz . parameter conditions input high level v ih = 2.4 v input low level v il = 0.4 v input rise time tr = 1 v/ns input fall time tf = 1 v/ns input reference level 1.4 v output reference level 1.4 v output load fig. 1& 2
gs71024t/u specifications cited are subject to change without notice . for latest documentation see http://www.gsitechnology.com. rev: 1.05 11/2004 6/13 ? 1999, gsi technology ac characteristics * these parameters are sampled and are not 100% tested read cycle 1: ce = oe = v il , we = v ih read cycle parameter symbol -8 -9 -10 -12 -15 unit min max min max min max min max min max read cycle time t rc 8?9?10?12?15?ns address access time t aa ?8?9?10?12?15ns chip enable access time (ce1 , ce2) t ac ?8?9?10?12?15ns mux control to output valid (v/s ) t av ?8?9?10?12?15ns output enable to output valid (oe ) t oe ?4?4.5?5?6?7ns output hold from address change t oh 3?3?3?3?3?ns output hold from mux controls change t oh1 3?3?3?3?3?ns chip enable to output in low z (ce1 , ce2) t lz * 3?3?3?3?3?ns output enable to output in low z (oe ) t olz * 0?0?0?0?0?ns chip disable to output in high z (ce1 , ce2) t hz * ?4?4.5?5?6?7ns output disable to output in high z (oe ) t ohz * ?4?4.5?5?6?7ns t aa t oh t rc address data out previous data data valid t oh1 t av v/s
gs71024t/u specifications cited are subject to change without notice . for latest documentation see http://www.gsitechnology.com. rev: 1.05 11/2004 7/13 ? 1999, gsi technology read cycle 2: we = v ih t aa t rc address t ac t lz t av t oe t olz ce1 (*1) v/s oe data out t hz t ohz data valid high impedance *1 ce1 represents both ce1 low and ce2 high.
gs71024t/u specifications cited are subject to change without notice . for latest documentation see http://www.gsitechnology.com. rev: 1.05 11/2004 8/13 ? 1999, gsi technology * these parameters are sampled and are not 100% tested write cycle parameter symbol -8 -9 -10 -12 -15 unit minmaxminmaxminmaxminmaxminmax write cycle time t wc 8?9?10?12?15?ns address valid to end of write t aw 5.5 ? 6.25 ? 7 ? 8 ? 10 ? ns chip enable to end of write (ce1 , ce2) t cw 5.5 ? 6.25 ? 7 ? 8 ? 10 ? ns mux control to end of write (v/s ) t vw 5.5 ? 6.25 ? 7 ? 8 ? 10 ? ns data set up time t dw 4?4.5?5?6?7?ns data hold time t dh 0?0?0?0?0?ns write pulse width t wp 5.5 ? 6.25 ? 7 ? 8 ? 10 ? ns address set up time t as 0?0?0?0?0?ns mux control set up time t vs 0?0?0?0?0?ns write recovery time (we ) t wr 0?0?0?0?0?ns write recovery time (v/s , ce1 , ce2 ) t wr1 0?0?0?0?0?ns output low z from end of write t wlz * 2?2.5?3?3?3?ns write to output in high z t whz * ?4?4.5?5?6?7ns
gs71024t/u specifications cited are subject to change without notice . for latest documentation see http://www.gsitechnology.com. rev: 1.05 11/2004 9/13 ? 1999, gsi technology write cycle 1: we control write cycle 2: ce control t wc address ce1 (*1) v/s we data in oe data out t aw t cw t vw t as t wp t wr t dw t dh t wlz t whz data valid high impedance (*2) (*3) (*3) t vs *1 ce1 represents both ce1 low and ce2 high. *2 write is executed when both ce1 and we are at low simultaneously. *3 do not apply the data input voltage to the output while dq pin is in output condition. t wc address ce1 (*1) v/s we data in oe data out t aw t wp t as t cw t wr1 t dw t dh data valid high impedance t vw *1 ce1 represents both ce1 low and ce2 high.
gs71024t/u specifications cited are subject to change without notice . for latest documentation see http://www.gsitechnology.com. rev: 1.05 11/2004 10/13 ? 1999, gsi technology 6 mm x 8 mm fine pitch bga c 5.25 0.75(typ). 3.75 pin a1 index 654321 a b d e f g h 0.22 0.05 1.20(max) 0.36(typ) ball dia. 0.35 pitch 0.75 d 0.10 pin a1 index bottom view top view 6.00 0.10 8.00 0.10 units: mm
gs71024t/u specifications cited are subject to change without notice . for latest documentation see http://www.gsitechnology.com. rev: 1.05 11/2004 11/13 ? 1999, gsi technology tqfp package drawing bpr 1999.05.18 d1 d e1 e pin 1 b e c l l1 a2 a1 y notes: 1. all dimensions are in millimeters (mm). 2. package width and length do not include mold protrusion symbol description min. nom. max a1 standoff 0.05 0.10 0.15 a2 body thickness 1.35 1.40 1.45 b lead width 0.20 0.30 0.40 c lead thickness 0.09 0.20 d terminal dimension 21.9 22.0 22.1 d1 package body 19.9 20.0 20.1 e terminal dimension 15.9 16.0 16.1 e1 package body 13.9 14.0 14.1 e lead pitch 0.65 l foot length 0.45 0.60 0.75 l1 lead length 1.00 y coplanarity 0.10 lead angle 0 7
gs71024t/u specifications cited are subject to change without notice . for latest documentation see http://www.gsitechnology.com. rev: 1.05 11/2004 12/13 ? 1999, gsi technology ordering information part number package access time temp. range status gs71024t-8 100-pin tqfp 8 ns commercial gs71024t-9 100-pin tqfp 9 ns commercial gs71024t-10 100-pin tqfp 10 ns commercial gs71024t-12 100-pin tqfp 12 ns commercial gs71024t-15 100-pin tqfp 15 ns commercial gs71024t-8i 100-pin tqfp 8 ns industrial gs71024t-9i 100-pin tqfp 9 ns industrial gs71024t-10i 100-pin tqfp 10 ns industrial gs71024t-12i 100-pin tqfp 12 ns industrial gs71024t-15i 100-pin tqfp 15 ns industrial gs71024gt-8 pb-free 100-pin tqfp 8 ns commercial gs71024gt-9 pb-free 100-pin tqfp 9 ns commercial gs71024gt-10 pb-free 100-pin tqfp 10 ns commercial gs71024gt-12 pb-free 100-pin tqfp 12 ns commercial gs71024gt-15 pb-free 100-pin tqfp 15 ns commercial gs71024gt-8i pb-free 100-pin tqfp 8 ns industrial gs71024gt-9i pb-free 100-pin tqfp 9 ns industrial gs71024gt-10i pb-free 100-pin tqfp 10 ns industrial gs71024gt-12i pb-free 100-pin tqfp 12 ns industrial gs71024gt-15i pb-free 100-pin tqfp 15 ns industrial gs71024u-8 6 mm x 8 mm fine pitch bga 8 ns commercial gs71024u-9 6 mm x 8 mm fine pitch bga 9 ns commercial GS71024U-10 6 mm x 8 mm fine pitch bga 10 ns commercial gs71024u-12 6 mm x 8 mm fine pitch bga 12 ns commercial gs71024u-15 6 mm x 8 mm fine pitch bga 15 ns commercial gs71024u-8i 6 mm x 8 mm fine pitch bga 8 ns industrial gs71024u-9i 6 mm x 8 mm fine pitch bga 9 ns industrial GS71024U-10i 6 mm x 8 mm fine pitch bga 10 ns industrial
gs71024t/u specifications cited are subject to change without notice . for latest documentation see http://www.gsitechnology.com. rev: 1.05 11/2004 13/13 ? 1999, gsi technology gs71024u-12i 6 mm x 8 mm fine pitch bga 12 ns industrial gs71024u-15i 6 mm x 8 mm fine pitch bga 15 ns industrial * customers requiring tape and reel should add the character ?t? to the end of the part number. for example: gs71024t/u-12t. revision history rev. code: old; new types of changes format or content page/revisions/reason gs71024rev 2:17pm, 4/8/ 1999; 1.00a5/1999 format/typos ? document changed subscripts to small caps. ? 1/features: changed tp to t. ? document/replaced ?micro? with ?fine pitch?. content ? ordering information/added tape and reel note/ enhancement ? pin description/changed a0 - a14 to a0 - a15/correction ? page 1/took out ?byte control? from features/correction ? 3/changed pin 97 from nc to ce2/correction ? gs710241.00a5/1999; 1.01 8/1999b content 1. pin out/changed pin 89 from ck to nc/correction 2. pin out/changed pin 92 from nc to v/s /correction 3. pin out/changed pin 93 from v/s to x/y /correction 4. pin out/changed pin 94 from x/y to nc/correction gs710241.01 8/1999c; 1.02 9/1999c content ? package diagram/changed dimension ?d max? from 20.1 to 22.1/correction gs71024rev1.01 8/ 1999c;rev1.02 2/2000d format ? gsi logo rev1.02 2/2000d; 71024_r1_03 format and content ? updated format to comply with technical publications standards ? changed all v ssq to v ss and all v ddq to v dd in pinout on page 2 ? updated revision history (rev ision notes for 8/1999 incorrect) 71024_r1_03; 71024_r1_04 content ? added 9 ns references to entire document 71024_r1_04; 71024_r1_05 content/format ? updated format ? added pb-free information for tqfp package ordering information part number package access time temp. range status

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