描述 Description

The Hitachi HM62W8512BI is a 4-Mbit static RAM organized 512-kword × 8-bit. HM62W8512BI Series has realized higher density, higher performance and low power consumption by employing Hi-CMOS process technology. The HM62W8512BI Series offers low power standby power dissipation; therefore, it is suitable for battery backup systems. It is packaged in standard 32-pin TSOP II.

特性 Features

? Single 3.3 V supply: 3.3 V ± 0.3V

? Access time: 70/85 ns (max)

? Power dissipation

- Active: 16.5 mW/MHz (typ)

- Standby: 3.3 μW (typ)

? Completely static memory. No clock or timing strobe required

? Equal access and cycle times

? Common data input and output: Three state output

? Directly LV-TTL compatible: All inputs and outputs

? Battery backup operation

? Operating temperature: –40 to +85?C