The is a slow speed, low power CMOS static RAM organized × 8 bits that operates on a single 5-volt power supply. This device is manufactured using Winbond's high performance CMOS technology.
Low power consumption: - Active: 400 mW (max.) - Standby: 250 µW (max.) (LL-version) 500 µW (max.) (L-version) Access time: 70/100 nS (max.) Single +5V power supply Fully static operation
All inputs and outputs directly TTL compatible Three-state outputs Battery back-up operation capability Data retention voltage: 2V (min.) Available packages: 28-pin 600 mil DIP, 330 mil SOP,