W24258中文资料华邦电子数据手册PDF规格书

GENERAL DESCRIPTION

The W24258 is a normal speed, very low power CMOS static RAM organized as 32768 ´ 8 bits that operates on a wide voltage range from 2.7V to 5.5V power supply. The W24258 family, W24258-70LE and W24258-70LI, can meet requirement of various operating temperature. This device is manufactured using Winbonds high performance CMOS technology.

FEATURES

• Low power consumption:

- Active: 350 mW (max.)

- Standby: 6 mW (max.)/3V 25 mW (max.)/5V

• Access time: 70 nS (max.)/5V 100 nS (max.)/3V

• Single 3V/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)