The is a normal speed, very 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: 350 mW (max.) - Standby: 25 µW (max.) Access time: 55/70 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.) Packaged 28-pin 600 mil DIP, 330 mil SOP and standard type one TSOP × 13.4 mm)