32K × 8 CMOS STATIC RAM

GENERAL DESCRIPTION

The W24258/LL is a normal speed, very low power CMOS static RAM organized as 32768 × 8 bits that operates on a single 5-volt power supply. This device is manufactured using Winbond's high performance CMOS technology.

FEATURES

· Low power consumption:

- Active: 350 mW (max.)

- Standby: 25 mW (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 in 28-pin 600 mil DIP, 330 mil SOP and standard type one TSOP (8 mm * 13.4 mm)

Absolute Maximum Ratings

Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the device.

AC Test Conditions

AC TEST LOADS AND WAVEFORM

BLOCK DIAGRAM

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