1 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs edi8l24129v march 2005 rev. 5 white electronic designs corp. reserves the right to change products or speci? cations without notice. 128kx24 sram 3.3 volt features 128kx24 bit cmos static random access memory array ? fast access times: 10, 12, and 15ns ? master output enable and write control ? ttl compatible inputs and outputs ? fully static, no clocks surface mount package ? 119 lead bga (jedec mo-163), no. 391 ? small footprint, 14mm x 22mm ? multiple ground pins for maximum noise immunity single +3.3v (5%) supply operation dsp memory solution motorola dsp5630xtm analog devices sharctm pin configuration 1234567 a nc ao a1 a2 a3 a4 nc b nc a5 a6 e# a7 a8 nc c i/012 nc nc nc nc nc i/00 d i/013 v cc gnd gnd gnd v cc i/01 e i/014 gnd v cc gnd vcc gnd i/02 f i/015 v cc gnd gnd gnd v cc i/03 g i/016 gnd v cc gnd v cc gnd i/04 h i/017 v cc gnd gnd gnd v cc i/05 i nc gnd v cc gnd v cc gnd nc j i/018 v cc gnd gnd gnd v cc i/06 k i/019 gnd v cc gnd v cc gnd i/07 l i/020 v cc gnd gnd gnd v cc i/08 m i/021 gnd v cc gnd v cc gnd i/09 n i/022 v cc gnd gnd gnd v cc i/010 o i/023 nc nc nc nc nc i/011 p nc a9 a10 w# a11 a12 nc q nc a13 a14 g# a15 a16 nc description the edi8l24129vxxbc is a 3.3v, three megabit sram constructed with three 128kx8 die mounted on a multi- layer laminate substrate. with 10 to 15ns access times, x24 width and a 3.3v operating voltage, the edi8l24129v is ideal for creating a single chip memory solution for the motorola dsp5630x (figure 3) or a two chip solution for the analog devices sharctm dsp (figure 4). the single or dual chip memory solutions offer improved system performance by reducing the length of board traces and the number of board connections compared to using multiple monolithic devices. for example, the capacitance load on the data lines for the bga package is 58% less than a monolithic soj solution. the jedec standard 119 lead bga provides a 44% space savings over using 128kx8, 300mil wide sojs and the bga package has a maximum height of 100 mils compared to 148 mils for the soj packages. the bga package also allows the use of the same manufacturing and inspection techniques as the motorola dsp, which is also in a bga package. pin names a?-a16 address inputs e# chip enable w# master write enable g# master output enable dq?-dq23 common data input/output v cc power (3.3v5%) gnd ground nc no connection
2 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs edi8l24129v march 2005 rev. 5 white electronic designs corp. reserves the right to change products or speci? cations without notice. capacitance f=1.0mh z , v in =v cc or v ss parameter sym max unit address lines ca 8 pf data lines cd/q 10 pf write & output enable lines w#, g# 8 pf chip enable lines e?#-e2# 8 pf these parameters are sampled, not 100% tested. block diagram a 0 -a 16 g# w# e# dq 0 -dq 7 dq 8 -dq 15 dq 16 -dq 23 128k x 24 memory array 17 absolute maximum ratings voltage on any pin relative to v ss -0.5v to 4.6v operating temperature ta (ambient) commercial industrial 0c to + 70c -40c to +85c storage temperature -55c to +125c power dissipation 1.5 watts output current. 50 ma junction temperature, tj 175c * stress greater than those listed under "absolute maximum ratings" may cause permanent damage to the device. this is a stress rating only and functional operation of the device at these or any other conditions greater than those indicated in the operational sections of this speci? cation is not implied. exposure to absolute maximum rating conditions for extended periods may affect reliability. recommended operating conditions parameter sym min typ max units supply voltage v cc 3.135 3.3 3.465 v supply voltage v ss 00 0 v input high voltage v ih 2.2 C v cc +0.3 v input low voltage v il -0.3 C 0.8 v truth table g# e# w# mode output power x h x standby high z i cc2 ,i cc3 h l h output deselect high z i cc1 l l h read dout i cc1 x l l write din i cc1
3 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs edi8l24129v march 2005 rev. 5 white electronic designs corp. reserves the right to change products or speci? cations without notice. parameter sym conditions min max units 10ns 12-15ns operating power supply current i cc1 w#= v il , ii/o = 0ma, min cycle 420 360 ma standby (ttl) supply current i cc2 e# > v ih , v in < v il or v in > v ih , f=?mh z 90 75 ma full standby cmos supply current i cc3 e# > v cc -0.2v v in > v cc -0.2v or v in < 0.2v 10 10 ma input leakage current i li v in = 0v to v cc 10 10 a output leakage current i lo v i/o = 0v to v cc 10 10 a output high volltage v oh i oh = -4.0ma 2.4 v output low voltage v ol i ol = 8.0ma 0.4 0.4 v dc electrical characteristics ac test conditions input pulse levels v ss to 3.0v input rise and fall times 5ns input and output timing levels 1.5v output load figure 1 (note: for t ehqz ,t ghqz and t wlqz , figure 2) ac test circuit d out 30pf v l =1.5v r l = 50? z0= 50? d out 319w 353? 5pf +3.3v figure 1 figure 2
4 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs edi8l24129v march 2005 rev. 5 white electronic designs corp. reserves the right to change products or speci? cations without notice. ac characteristics C read cycle parameter symbol 10ns 12ns 15ns units jedec alt. min max min max min max read cycle time t avav t rc 10 12 15 ns address access time t avqv t aa 10 12 15 ns chip enable access time t elqv t acs 10 12 15 ns chip enable to output in low z (1) t elqx t clz 333ns chip disable to output in high z (1) t ehqz t chz 567ns output hold from address change t avqx t oh 333ns output enable to output valid t glqv t oe 567ns output enable to output in low z (1) t glqx t olz 000ns output disable to output in high z(1) t ghqz t ohz 567ns note 1: parameter guaranteed, but not tested. read cycle C w# high, g#, e# low a q t avqx t avqv t avav data 2 address 1 address 2 data 1 a q t avqv t elqv t glqv t elqx t glqx t avav t ehqz t ghqz g# e# read cycle 2 C w# high
5 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs edi8l24129v march 2005 rev. 5 white electronic designs corp. reserves the right to change products or speci? cations without notice. ac characteristics C write cycle parameter symbol 10ns 12ns 15ns units jedec alt. min max min max min max write cycle time t avav t wc 10 12 15 ns chip enable to end of write t elwh t eleh t cw t cw 8 8 9 9 9 9 ns ns address setup time t avwl t avel t as t as 0 0 0 0 0 0 ns ns address valid to end of write t avwh t aveh t aw t aw 8 8 9 9 10 10 ns ns write pulse width t wlwh t wleh t wp t wp 8 8 10 10 11 11 ns ns write recovery time t whax t ehax t wr t wr 0 0 0 0 0 0 ns ns data hold time t whdx t ehdx t dh t dh 0 0 0 0 0 0 ns ns write to output in high z (1) t wlqz t whz 050607ns data to write time t dvwh t dveh t dw t dw 6 6 6 6 7 7 ns ns output active from end of write (1) t whqx t wlz 333ns note 1: parameter guaranteed, but not tested. write cycle C w# controlled a d t avwh t elwh t whax t wlwh t dvwh t wlqz t whqx t avwl t whdx t avav data valid high z w# e# q
6 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs edi8l24129v march 2005 rev. 5 white electronic designs corp. reserves the right to change products or speci? cations without notice. write cycle 2 C e# controlled a w# e# d q t avav t avel t ehax t dveh t ehdx t eleh t aveh data valid high z t wleh
7 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs edi8l24129v march 2005 rev. 5 white electronic designs corp. reserves the right to change products or speci? cations without notice. package no. 391 119 lead bga jedec mo-163 package description industrial (-40c to +85c) part number speed (ns) package no. edi8l24129v10bi 10 391 edi8l24129v12bi 12 391 edi8l24129v15bi 15 391 commercial (0c to +70c) part number speed (ns) package no. EDI8L24129V10BC 10 391 edi8l24129v12bc 12 391 edi8l24129v15bc 15 391 ordering information 0.300 bsc 0.800 bsc 0.866 bsc pin 1 index 0.050 typ 0.551 bsc 0.028 max. 0.060 nom./0.110 max.
8 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs edi8l24129v march 2005 rev. 5 white electronic designs corp. reserves the right to change products or speci? cations without notice. figure 3 C interfacing the motorola dsp5630x dsp family with the edi8l24129v (128kx24) figure 4 C interfacing the 21060l or the 21062l to the edi8l24129v, 119 bga (creating a 128kx48 memory array) address bus a23-0 databus d23-0 motorola dsp5630x edi8l24129v (128k x 24) a16-0 e# w# g# dq0-23 edi8l24129v (128k x 24) a16-0 e# w# g# dq0-23 edi8l24129v (128k x 24) a16-0 e# w# g# dq0-23 aa0 aa1 aa2 aa3 wr# rd# address bus a31-0 databus d47-0 analog adsp-2106xl edi8l24129v (128k x 24) msx# wr# rd# a16-0 e# w# g# dq16-23 dq8-15 dq0-7 edi8l24129v (128k x 24) a16-0 e# w# g# dq16-23 dq8-15 dq0-7 notes: 1. in this example three 128k x 24 external memory arrays are shown, one for x data, one for y data and one for program. speci? c applications may require one, two or all three arrays. 2. any combination of aa0-aa3 may be used as chip selects. however, each chip select may only be used to select one memory arr ay.
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