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description available in pga (tiga 2), jlcc (tiga 6) and gullwing (tiga 7) footprints. the tiga **s4000 is a 4 mbit sram module, user configurable as 128k x 32, 256k x 16 or 512k x 8. the device is available with fast access times of 20, 25 and 35ns. the device may be screened in accordance with mil-std-883c. pin functions a0~a16 address input d0~d31 data inputs/outputs cs1~4 chip select we1~4 write enables oe output enable vcc power (+5v) gnd ground features ? 4 megabit sram module. fast access times of 20/25/35 ns. output configurable as 32 / 16 / 8 bit wide. upgradeable footprint. operating power 3740 / 2310 / 1595 mw (max).low power standby (l version) 220 mw (max). ttl compatible inputs and outputs. may be screened in accordance with mil-std-883. tiga 2 - 66 pin ceramic pga. tiga 6 - 68 pin ceramic jlcc. tiga 7- 68 pin ceramic gullwing. block diagram tiga6s4000 and 7s4000 block diagram tiga2s4000, 6s4000a/b and 7s4000a/b 128k x 32 sram module tiga2s4000 -20/25/35 tiga6s4000/a/b-20/25/35 tiga7s4000/a/b-20/25/35 issue 1 2005 d16-23 d0-7 d8-15 d24-31 cs1 cs2 cs3 cs4 oe we a0-a16 128kx8 sram 128kx8 sram 128kx8 sram 128kx8 sram d16~23 d0~7 d8~15 d24~31 cs1 cs2 cs3 cs4 oe we4 a0~a16 128kx8 sram 128kx8 sram 128kx8 sram 128kx8 sram we3 we2 we1 force technologies ltd. www.forcetechnologies.co.uk tel. +44 ( 0)1264 731200 fax. +44 (0)1264 731444
tiga 2/6/7s4000/a/b - 20/25/35 issue 1 2 capacitance (v cc =5v10%,t a =25c) note: (1) on the standard module, we = 30 pf max. parameter symbol test condition typ max unit input capacitance address, oe c in1 v in =0v - 30 pf we1~4 (1) , cs1~4 c in2 v in =0v - 16 pf i/o capacitance d0~d31 c i/o v i/o =0v - 30 pf (8 bit mode) input leakage current i li1 v in =0v to v cc -8 - 8 a output leakage current i lo cs (1) =v ih or oe=v ih , v i/o =0v to v cc -8 - 8 a we=v il operating supply current 32 bit i cc32 min cycle,duty=100%,i i/o =0ma,cs=v il - - 680 ma 16 bit i cc16 as above - - 420 ma 8 bit i cc8 min cycle,duty=100%,i i/o =0ma,cs=v il - - 290 ma standby supply current (ttl) i sb1 cs (1) v ih v cc = 5.5v - - 160 ma -l version i sb2 cs (1) v ih , v il v in v ih, f = 0 hz - - 40 ma output voltage low v ol i ol = 8.0ma - - 0.4 v output voltage high v oh i oh = -4.0ma 2.4 - - v notes: (1) cs and we above are accessed through cs1~4 and we1~4 respectively. these inputs must be operated simultaneously for 32 bit mode, in pairs for 16 bit mode and singly for 8 bit mode. dc electrical characteristics (v cc =5v10%,t a =-55c to +125c) parameter symbol test condition min typ max unit recommended operating conditions min typ max supply voltage v cc 4.5 5.0 5.5 v input high voltage v ih 2.2 - 6.0 v input low voltage v il -0.5 - 0.8 v operating temperature t a 0- 70 c t ai -40 - 85 c (suffix i ) t am -55 - 125 c (suffix m , mb ) dc operating conditions absolute maximum ratings (1) voltage on any pin relative to gnd (2) v t -0.5v to +7.0 v power dissipation p t 4 w storage temperature t stg -65 to +150 c notes (1) stresses above those listed may cause permanent damage. this is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. these parameters are calculated, not measured.
tiga 2/6/7s4000/a/b - 20/25/35 issue 1 2005 3 operating modes the table below shows the logic inputs required to control the operating modes of each of the srams on the modules. note: cs above is accessed through cs1~4 (and we by we1~4 on the tiga 2s4000, 6s4000a, 7s4000a). for correct operation, cs1~ 4 (and we1~4) must operate simultaneously for 32 bit operation, in pairs for 16 bit operation, or singly for 8 bit operation. 1 = v ih , 0 = v il , x = don't care 166 30pf i/o pin 1.76v ? mode cs oe we v cc current i/o pin reference cycle not selected 1 x x i sb1 ,i sb2 high z power down output disable 0 1 1 i cc high z - read 0 0 1 i cc d out read cycle write 0 x 0 i cc d in write cycle ac test conditions output load *input pulse levels: 0.0v to 3.0v *input rise and fall times: 3 ns *input and output timing reference levels: 1.5v *v cc =5v10% *tiga module is tested in 32 bit mode.
tiga 2/6/7s4000/a/b - 20/25/35 issue 1 2005 4 write cycle 20 25 35 parameter symbol min max min max min max unit write cycle time t wc 20 - 25 - 35 - ns chip selection to end of write t cw 15 - 16 - 20 - ns address valid to end of write t aw 15 - 16 - 20 - ns address setup time t as 0- 0- 0-ns write pulse width t wp 15 - 15 - 20 - ns write recovery time t wr 0- 5- 5-ns data to write time overlap t dw 015 10 - 15 -ns output active from end of write t ow 15-3-3-ns data hold from write time t dh 2* - 2* - 2* - ns write to output high z t whz 5- 010 010ns ac operating conditions read cycle 20 25 35 parameter symbol min max min max min max units read cycle time t rc 20 - 25 - 35 - ns address access time t aa -20-25-35ns chip select access time t acs -20-25-35ns output enable to output valid t oe -9-8-12ns output hold from address change t oh 5-5-5-ns chip selection to output in low z t clz 6-5-5-ns output enable to output in low z t olz 0-0-0- ns chip deselection to output in high z (3) t chz 09 -15-15ns output disable to output in high z (3) t ohz 09 -15-15ns * note : only applies to tiga6s4000/a otherwise t dh (min) = 0
tiga 2/6/7s4000/a/b - 20/25/35 issue 1 2005 5 write cycle no.1 timing waveform read cycle timing waveform (1,2) notes: (1) during the read cycle, we is high for the modules. (2) address valid prior to or coincident with cs transition low. (3) t chz and t ohz are defined as the time at which the outputs achieve the open circuit conditions and are not referenced to output voltage levels. these parameters are sampled and not 100% tested. t t t t rc aa oe oh a0~a16 oe cs1~4 t ohz(3) t olz t acs t clz t chz(3) data valid d0~31 high-z t as(3) t aw t cw(4) t wc a0~a16 oe cs1~4 t wp(1) t ohz(3,9) we1~4 d0~31out t t dw dh d0~31in (6) t wr (2) t ow high-z high-z
tiga 2/6/7s4000/a/b - 20/25/35 issue 1 2005 6 ac characteristics notes (1) a write occurs during the overlap (t wp ) of a low cs and a low we. (2) t wr is measured from the earlier of cs or we going high to the end of write cycle. (3) during this period, i/o pins are in the output state. input signals out of phase must not be applied. (4) if the cs low transition occurs simultaneously with the we low transition or after the we low transition, outputs remain in a high impedance state. (5) oe is continuously low. (oe=v il ) (6) d out is in the same phase as written data of this write cycle. (7) d out is the read data of next address. (8) if cs is low during this period, i/o pins are in the output state. input signals out of phase must not be applied. (9) t whz and t ohz are defined as the time at which the outputs achieve the open circuit conditions and are not referenced to output voltage levels. these parameters are sampled and not 100% tested. write cycle no.2 timing waveform (5) cs1~4 t wr(2) t cw (4) (6) t aw t wc a0~a16 t t t wp(1) dw t dh we1~4 d0~31out d0~31in whz(3,9) t as(3) t ow t oh (7) (8) high-z high-z we above refers to we1~4 on the tiga2s4000, 7s4000a and 7s4000a.
tiga 2/6/7s4000/a/b - 20/25/35 issue 1 2005 7 package details tiga6s4000 24.99 (0.984) sq. 24.89 (0.980) sq. (0.202) max r=0.76 (0.030) typ. 1.27 (0.050) typ. 0.64 (0.025) min 21.08 (0.830) 0.43 (0.017) typ. 0.10 (0.004) 25.40 (1.000) sq. 24.49 (0.964) sq. 1.35 (0.053) 0.94 (0.037) 5.13 20.57 (0.810) sq. 20.07 (0.790) sq. 24.13 (0.950) sq. 23.11 (0.910) sq. 21.37 (0.840) tiga7s4000 tiga2s4000 solder over 50 to 350 in ch nickel lead finish is 300 inch minimum 15.24 (0.60) typ 27.69 (1.090) square 4.83 (0.190) 4.32 (0.170) 1.27 (0.050) 1.52 (0.060) 27.08 (1.066) square 6.86 (0.270) max 1.27 (0.050) 1.66 (0.026) 10.67 (0.420) 10.16 (0.400) 2.54 (0.010) 3.81 (0.150) ref 2.54 (0.010) 1.02 (0.040) 0.53 (0.021) 0.38 (0.015) 0.10 (0.004) 24.13 (0.950) sq. 20.57 (0.810) sq. 1.27 (0.050) 0.43 (0.017) 1.78 (0.070) 5.44 (0.214) max 25.15 (0.990) sq. 22.61 (0.890) sq. 0.76 (0.030) 24.67 (0.970) sq. 22.10 (0.870) sq. 20.10 (0.790) sq. 23.62 (0.930) sq.
tiga 2/6/7s4000/a/b - 20/25/35 issue 1 2005 8 pin definitions tiga6s4000 / 7s4000 tiga 6s4000a / 7s4000a 1 12 23 view from above 2 13 24 3 14 25 4 15 26 5 16 27 6 17 28 7 18 29 8 19 30 9 20 31 10 21 32 11 22 33 34 45 56 35 46 57 36 47 58 37 48 59 38 49 60 39 50 61 40 51 62 41 52 63 42 53 64 43 54 65 44 55 66 d8 we2 d15 d9 cs2 d14 d10 gnd d13 a13 d11 d12 a14 a10 oe a15 a11 nc a16 a12 we1 nc vcc d7 d0 cs1 d6 d1 nc d5 d2 d3 d4 d24 vcc d31 d25 cs4 d30 d26 we4 d29 a6 d27 d28 a7 a3 a0 nc a4 a1 a8 a5 a9 we3 d23 d16 cs3 d22 d17 gnd d21 d18 d19 d20 a2 d0 d1 d2 d3 d4 d5 d6 d7 gnd d8 d9 d10 d11 d12 d13 d14 d15 d16 d17 d18 d19 d20 d21 d22 d23 gnd d24 d25 d26 d27 d28 d29 d30 d31 nc a0 a1 a2 a3 a4 a5 gnd a6 a7 a8 a9 a10 vcc cs3 cs4 9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 oe cs2 nc gnd vcc a11 a12 a13 a14 a15 a16 cs1 nc nc we2 we3 we4 we1 tiga 7s4000a view from above tiga 2s4000 tiga6s4000b / 7s4000b d0 d1 d2 d3 d4 d5 d6 d7 gnd d8 d9 d10 d11 d12 d13 d14 d15 d16 d17 d18 d19 d20 d21 d22 d23 gnd d24 d25 d26 d27 d28 d29 d30 d31 nc a0 a1 a2 a3 a4 a5 gnd a6 a7 a8 a9 a10 vcc cs3 cs4 9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 oe cs2 nc gnd vcc a11 a12 a13 a14 a15 a16 cs1 nc nc we1 tiga 6s4000 view from above nc nc nc pu/ . from above 44 nc a0 a1 a2 a3 a4 a5 /cs3 gnd /cs4 /we1 a6 a7 a8 a9 a10 vcc d0 d1 d2 d3 d4 d5 d6 d7 gnd d8 d9 d10 d11 d12 d13 d14 d15 d16 d17 d18 d19 d20 d21 d22 d23 gnd d24 d25 d26 d27 d28 d29 d30 d31 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 vcc a11 a12 a13 a14 a15 a16 /cs1 /oe /cs2 nc nc 9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61 nc nc /we2 /we3 /we4
tiga 2/6/7s4000/a/b - 20/25/35 issue 1 2005 9 military screening procedure multichip screening flow for high reliability product is in accordance with mil-883 method 5004 . screening mb multichip module screening flow screen test method level visual and mechanical internal visual 2010 condition b or manufacturers equivalent 100% temperature cycle 1010 condition c (10 cycles,-65 o c to +150 o c) 100% constant acceleration 2001 condition b (y1 & y2) (10,000g) 100% burn-in pre-burn-in electrical per applicable device specifications at t a =+25 o c 100% burn-in t a =+125 o c,160hrs minimum. 100% final electrical tests per applicable device specification static (dc) a) @ t a =+25 o c and power supply extremes 100% b) @ temperature and power supply extremes 100% functional a) @ t a =+25 o c and power supply extremes 100% b) @ temperature and power supply extremes 100% switching (ac) a) @ t a =+25 o c and power supply extremes 100% b) @ temperature and power supply extremes 100% percent defective allowable (pda) calculated at post-burn-in at t a =+25 o c 10% hermeticity 1014 fine condition a 100% gross condition c 100% quality conformance per applicable device specification sample external visual 2009 per vendor or customer specification 100%
tiga 2/6/7s4000/a/b - 20/25/35 issue 1 2005 10 tiga2s4000almb- 20 speed 20 = 20 ns 25 = 25 ns 35 = 35 ns screening blank = commercial temperature i = industrial temperature m = military temperature mb = processed in accordance with mil-std-883 power blank = standard power l = low power we option blank = single we ( tiga 6 / 7 only) we1~4 (tiga 2 only) a = we1~4 ( tiga 6 / 7 only) b = pinout variant organisation 4000 = 128kx 32, user confiurable as 256k x 16 and 512k x 8 technology s = sram memory package tiga 2 = jedec 66 pin ceramic pga package tig a6 = jedec 68 j-leaded ceramic surface mount package tig a7 = jedec 68 leaded gull wing ceramic surface mount package ordering information
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