AM27C040-90DCB Datasheet PDF - AMD

●GENERAL DESCRIPTION

●The Am27C040 is a 4 Mbit ultraviolet erasable programmable read-only memory. It is organized as 512K bytes, operates from a single +5 V supply, has a static standby mode, and features fast single address loca tion programming. The device is available in windowed ceramic DIP packages and plastic one-time program mable (OTP) packages.

●DISTINCTIVE CHARACTERISTICS

●■ Fast access time

●   — Available in speed options as fast as 90 ns

●■ Low power consumption

●   — <10 µA typical CMOS standby current

●■ JEDEC-approved pinout

●   — Plug-in upgrade for 1 Mbit and 2 Mbit EPROMs

●   — Easy upgrade from 28-pin JEDEC EPROMs

●■ Single +5 V power supply

●■ ±10% power supply tolerance standard

●■ 100% Flashrite™ programming

●   — Typical programming time of 1 minute

●■ Latch-up protected to 100 mA from –1 V to VCC + 1 V

●■ High noise immunity

●■ Compact 32-pin DIP, PDIP, PLCC packages