address inputs a0 - a15 data input/output d0 - d23 chip select cs write enable we output enable oe no connect nc power (+5v) v cc ground gnd package details block diagram pin functions pin definition description features
!!""#$%$$ & ' !!"" %$( 64k x 24 sram module sys2464zkx-12/15/20/25/35 issue 1.0 : june 1996 the sys2464 is a 1,572,864 bit static ram organised as 64k x 24 with access time of 12, 15, 20, 25 and 35ns. the module consists of six 64kx4 soj sram's, surface mounted on both sides of an fr4 epoxy substrate. this offers an extremely high packing density. the device has equal access and cycle times, is directly ttl compatible, and is offered in standard and low power versions. the -l version has data retention capability and can be used in battery backup applications. plastic 56 pin zip 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 vcc d0 d2 d4 d6 gnd a0 a2 a4 a6 cs nc d8 d10 d12 d14 gnd we a8 a10 a12 a14 gnd d16 d18 d20 d22 vcc 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 vcc d1 d3 d5 d7 gnd a1 a3 a5 a7 nc gnd d9 d11 d13 d15 nc oe a9 a11 a13 a15 gnd d17 d19 d21 d23 vcc d0-d7 d8-d15 d16-d23 a0-a15 oe we 64kx4 sram 64kx4 sram 64kx4 sram 64kx4 sram 64kx4 sram 64kx4 sram cs ? access times of 12/15/20/25/35 ns. 56 pin zip package. operating power (24 bit mode) 5.3 w max. standby power (cmos) -l 1.0 w max. 5 volt supply 10%. completely static operation. equal access and cycle times. all inputs and outputs directly ttl compatible. on-board supply decoupling capacitors. data retention capability (-l version only).
sys2464zkx-12/15/20/25/35 issue 1.0 june 1996 2 package information dimensions in mm note : this document may be wholly or partially subject to change without notice. hmp ltd devices are not authorised for use as critical components in life support devices. speed 12 = 12 ns 15 = 15 ns 20 = 20 ns 25 = 25 ns 35 = 35 ns temperature range blank = commercial temp. i = industrial temp. power consumption blank = standard part l = low power part package zkx = plastic 56 pin zip organisation 2464 = 64k x 24 memory type sys = static ram ordering information sys2464zkxli-12 plastic 56 pin zig-zag-in-line (zip) 3.50 +/-0.5 0 74.04 ma x 15.0 max m2 9.00 max 2.54 typ . 2.54 typ.
|
