UM6168

SUMO =======:: UM6168 4K x 4 High Speed CMOS SRAM rlJ"l~ Features High·speed - 35/40/45/55170 ns Low power dissipation 225mW (typ.) operating 100p.W (typ.) standby Single 5V power supply Fully static operation All inputs and outputs directly TTL compatible Three state outputs Data retention supply voltage: 2.0 ~ 5.5V General Description The UMC UM6168 is a 16,384 bit static random access memory organized as 4096 words by 4 bits and operates from a single 5 volt supply. It is built with UMC's high performance twin tub CMOS process. Inputs and three· state outputs are TTL compatible. The UM6168 is moulded in a standard 20·pin, 300 mil·DIP. Pin Configuration Block Diagram Vcc All AlO A9 As 1/04 1/03 1/02 1/01 WE Ao Al A2 A3 A4 AlO Au 1/01 1/0 2 1/0 3 1/04 CS WE ROW SELECT MEMORY ARRAY 128 ROWS 128 COLUMNS - . - - Vcc -.-- GND 2-55 A~solute Maximum Rati.ngs* Terminal Voltage with Respect to GND, VT . . . . . . . . . . . . . . . . . . -0.5V to +7...