W27E020-70中文资料华邦电子数据手册PDF规格书

GENERAL DESCRIPTION

The W27E020 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 W27E020 provides an electrical chip erase function.

FEATURES

• High speed access time:

70/90/120 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

• All inputs and outputs directly TTL/CMOS

compatible

• Three-state outputs

• Available packages: 32-pin 600 mil DIP and PLCC