GSI Technology GS74108TP
The GS74108 is a high speed CMOS static RAM organized as 524,288-words by 8-bits. The GS74108 is available in 400 mil SOJ and 400 mil TSOP Type-II packages.FEATURES
● Fast access time: 8, 10, 12, 15ns● CMOS low power operation: 150/125/110/90 mA at min. cycle time.
● Single 3.3V ± 0.3V power supply
● All inputs and outputs are TTL compatible
● Fully static operation
● Industrial Temperature Option: -40° to 85°C
● Package line up J: 400mil, 36 pin SOJ package TP: 400mil, 44 pin TSOP Type II package 512K x 8 4Mb Asynchronous SRAM SOJ 512K x 8 Pin Configuration A4 A3 A2 A1 A0 CE DQ1 DQ2 VDD VSS DQ3 DQ4 WE A17 A16 A15 A14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 8, 10, 12, 15ns 3.3V VDD Center VDD & VSS 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 NC A5 A6 A7 A8 OE DQ8 DQ7 VSS VDD DQ6 DQ5 A9 A10 A11 A12 A18 NC 36 pin 400mil SOJ
DESCRIPTION
Static design eliminates the need for external clocks or timing strobes. Operating on a single 3.3V power supply and all inputs and outputs are TTL compatible. Pin Descriptions Symbol A0 to A18 DQ1 to DQ8 CE WE OE VDD VSS NCDESCRIPTION
Address input Data input/output Chip enable input Write enable input Output enable input +3.3V power supply Ground No connect A13 Rev: 1.06 7/2000 1/12 © 1999, Giga Semiconductor, Inc.