UPD431000AGW-70LL

1M-BIT CMOS STATIC RAM 128K-WORD BY 8-BIT

Description

The µPD431000A is a high speed, low power, and 1,048,576 bits (131,072 words by 8 bits) CMOS static RAM.

The µPD431000A has two chip enable pins (/CE1, CE2) to extend the capacity. And battery backup is available. In

addition to this, A and B versions are low voltage operations.

The µPD431000A is packed in 32-pin PLASTIC DIP, 32-pin PLASTIC SOP and 32-pin PLASTIC TSOP (I) (8 × 13.4

mm) and (8 × 20 mm).

Features

131,072 words by 8 bits organization

Fast access time: 70, 85, 100, 120, 150 ns (MAX.)

Low voltage operation (A version: VCC = 3.0 to 5.5 V, B version: VCC = 2.7 to 5.5 V)

Operating ambient temperature: TA = 0 to 70 °C

Low VCC data retention: 2.0 V (MIN.)

Output Enable input for easy application

Two Chip Enable inputs: /CE1, CE2

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