W24L257A
32K × 8 HIGH-SPEED
CMOS STATIC RAM
GENERAL DESCRIPTION
The W24L257A is a high-speed, low-power
CMOS static RAM organized as 32768 × 8 bits that operates on a single 3.
3-volt power supply.
This device is manufactured using Winbond's high performance
CMOS technology.
FEATURES
• High-speed access time: 12/15/20 nS (max.
) • Low-power consumption:
− Active: 200 mW (typ.
) • Single +3.
3V power supply • Fully static operation
• All inputs and outputs directly TTL compatible
• Three-state outputs
• Available packages: 28-pin 300 mil SOJ, skinny DIP and standard type one TSOP (8 mm × 13.
4 mm)
PIN CONFIGURATION
BLOCK DIAGRAM
A14 A12
A7 A6 A5 A4 A3 A2 A1 A0 I/O1 I/O2 I/O3 VSS
1 28 2 27 ...