512k x 8 cs4 sram a0 - a18 d0 - d7 d8 - d15 d16 - d23 d24 - d31 oe cs1 cs2 cs3 512k x 8 sram 512k x 8 sram 512k x 8 sram 512k x 8 sram d0 - d7 d8 - d15 d16 - d23 d24 - d31 512k x 8 sram 512k x 8 sram 512k x 8 sram cs5 cs6 cs7 cs8 we1 we2 we3 we4 we5 we6 we7 we8 d17 d18 d19 gnd d20 d21 d22 d23 vcc d24 d25 d26 d27 gnd d28 d29 d30 d14 d13 d12 gnd d11 d10 d9 d8 vcc d7 d6 d5 d4 gnd d3 d2 d1 d16 a18 a17 cs4 cs3 cs2 cs1 vcc oe we2 a16 a15 a14 d15 nc cs6 cs5 9 8 7 6 5 4 3 2 1 8281807978777675 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 10 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 vcc a13 a11 a10 a9 a8 a7 d31 a6 a5 a4 a3 a2 a1 a0 d0 a12 puma 84s32000a view from above nc we7 11 cs8 cs7 84 83 we6 nc 73 74 nc we5 54 55 52 53 we1 nc 33 34 nc we8 nc we4 29 30 we3 31 nc 32 12 13 1m x 32 sram module puma 84sv32000a - 70/85/10 plastic 84 j-leaded jedec plcc issue 1.0 : march 1999 description features the puma 84sv32000a is a 32mbit cmos static ram organised as 1m x 32 in a jedec 84 pin surface mount j-leaded plcc, available with access times of 70, 85, and 100ns. the output width is user configurable as 8, 16 or 32 bits using eight chip selects (cs1~8). the puma 84sv32000a offers a dramatic space saving advantage over eight standard 512kx8 devices. the -l version has data retention capability and can be used in battery backup applications. the puma 84sv32000a has eight write enable inputs. (we1~8) ? access times of 70/85/100 ns. ? high density package ? jedec 84 'j' leaded plastic surface mount package. ? single 3.3 v 10% power supply. ? user configurable as 8 / 16 / 32 bit wide output. ? operating power (32-bit) 2.51 w (max) low power standby (-l) 8.25 mw (max) ? fully static operation. ? data retention capability (-l version only). ? multiple ground pins for maximum noise immunity. package details address inputs a0 ~ a18 data input/output d0 ~ d31 chip select cs1 ~ 8 write enable we1 ~ 8 output enable oe no connect nc power (+5v) v cc ground gnd pin functions pin definition block diagram 11403 west bernado court, suite 100, san diego, ca 92127. tel no: (619) 674 2233, fax no: (619) 674 2230
puma 84sv32000a - 70/85/10 issue 1.0 : march 1999 2 package information dimensions in mm(inches) ordering information 30.10 (1.185) sq. 30.35 (1.195) sq. (0.335) max 1.27 (0.050) typ. 0.46 (0.018) typ. 0.10 (0.004) 8.50 29.20 (1.150) 28.20 (1.110) 0.90 (0.035) typ. plastic 84 pin jedec surface mount plcc note : although this data is believed to be accurate, the information contained herein, is not intended to and does not create any warranty of merchantibility or fitness for a particular purpose. our products are subject to a constant process of development. data may be changed at any time without notice. products are not authorised for use as critical components in life support devices without the express approval of a company director. speed 70 = 70 ns 85 = 85 ns 10 = 100 ns temperature range blank = commercial temperature i = industrial temperature power consumption blank = standard l = low power write enable option a = we1~8 (eight we inputs) organisation 32000 = 1m x 32 sram configurable as 2m x 16 and 4m x 8 memory type s = asynchronous sram 3.3v package puma 84 = memory stack 84 pin 'j' leaded puma 84sv32000ali - 70
|
