Specification :

ALLIANCE MEMORY INC
U62256A Series 256-kbit (32 K x 8) 5 V 70 ns CMOS Static RAM - PDIP-28

Memory Density: 256 kb
Memory Organization: 32 K x 8
Supply Voltage-Nom: 5 V
Access Time-Max: 70 ns
Temperature Grade: Commercial
Speed: -