GENERAL DESCRIPTION
The W27C020M is a high speed, low power Electrically Erasable and Programmable Read Only Memory organized as 262144 ´8 bits that operates on a single 5 volt power supply. The W27C020M provides an electrical chip erase function.The W27C020M is designed to be used in both 5.0V and 3.3V I/O bus interface enviornment.

FEATURES
· High speed access time: 70/120 nS (max.)
· Read operating current: 30 mA (max.)
· Erase/Programming operating current: 30 mA (max.)
· Standby current: 1 mA (max.)
· Single 5V power supply
· +14V erase/+12V programming voltage
· Fully static operation
· Output level: 5V/3.3V compatible output
· All inputs and outputs directly TTL/CMOS compatible
· Three-state outputs
· Available packages: 32-pin 600 mil DIP and PLCC