This document describes the features and characteristics of the CMOS 64K non-volatile electrically Erasable PROM (28C64A) produced by Microchip Technology Inc., including fast read access time, low power consumption, fast byte write time, data retention of over 200 years, high endurance, etc.
The document describes the Microchip Technology Inc. 28C64A, a 64K non-volatile electrically erasable PROM organized as 8Kx8 with JEDEC standard pinout. It features fast read access time of 150 ns and byte write times of either 200 µs or 1 ms depending on the specific variant.
| Memory Capacity | 64K (8K x 8) |
|---|---|
| Technology | CMOS |
| Active Current | 30 mA |
| Standby Current (TTL input) | 100 µA |
| Byte Write Time | 200 µs or 1 ms |
| Data Retention | >200 years |
| Endurance | 100,000 Erase/Write Cycles |
| Operating Voltage | +5V |
The fast read access time for the device is 150 ns.
It is available for Commercial (0°C to +70°C) and Industrial (-40°C to +85°C) temperature ranges.