UPD431000A 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.
UPD431000A Key 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