27C64 Overview
The Microchip Technology Inc. 27C64 is a CMOS 64K bit (electrically) Programmable Read Only Memory. The device is organized as 8K words by 8 bits (8K bytes).
27C64 Key Features
- High speed performance
- 120 ns access time available
- CMOS Technology for low power consumption
- 20 mA Active current
- 100 µA Standby current
- Factory programming available
- Auto-insertion-patible plastic packages
- Auto ID aids automated programming
- Separate chip enable and output enable controls
- High speed “express” programming algorithm


