GENERAL DESCRIPTION
The W27E040 is a high speed, low power Electrically Erasable and Programmable Read Only Memory organized as 524288 x 8 bits that operates on a single 5 volt power supply. The W27E040 provides an electrical chip erase function.

FEATURES
• High speed access time: 90/120 nS (max.)
• Read operating current: 15 mA (typ.)
• Erase/Programming operating current 15 mA (typ.)
• Standby current: 5 mA (typ.)
• Single 5V power supply
• +14V erase/+12V programming voltage
• Fully static operation
• All inputs and outputs directly TTL/CMOS compatible
• Three-state outputs
• Available packages: 32-pin 600 mil DIP, 450 mil SOP, PLCC and TSOP