UPD43257B Description
The µPD43257B is a high speed, low power, and 262,144 bits (32,768 words by 8 bits) CMOS static RAM. Battery backup is available. And the µPD43257B has two chip enable pins (/CE1, CE2) to extend the capacity.
UPD43257B Key Features
- 32,768 words by 8 bits organization
- Fast access time: 70, 85 ns (MAX.)
- Low VCC data retention: 2.0 V (MIN.)
- Two Chip Enable inputs: /CE1, CE2