W27E040
512K × 8 ELECTRICALLY ERASABLE EPROM
GENERAL DESCRIPTION
The W27E040 is a high speed, low power Electrically Erasable and Programmable Read Only Memory organized as 524288 × 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 µA (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...