CAT28C257 Overview
Description
The CAT28C257 is a fast, low power, 5 V-only CMOS Parallel EEPROM organized as 32K x 8-bits. It requires a simple interface for in-system programming.
Key Features
- Fast Read Access Times: 120/150 ns
- Low Power CMOS Dissipation: – Active: 25 mA Max. – Standby: 150 mA Max
- Simple Write Operation: – On-chip Address and Data Latches – Self-timed Write Cycle with Auto-clear
- Fast Write Cycle Time
- CMOS and TTL Compatible I/O
- Automatic Page Write Operation
- 1 to 128 Bytes in 5 ms
- Page Load Timer
- End of Write Detection
- DATA Polling