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GENERAL DESCRIPTION

The Am27C020 is a 2 Megabit, ultraviolet erasable programmable read-only memory. It is organized as 256 Kwords by 8 bits per word, operates from a single +5 V supply, has a static standby mode, and features fast single address location programming. Products are available in windowed ceramic DIP packages, as well as plastic one time programmable (OTP) PDIP and PLCC packages.

DISTINCTIVE CHARACTERISTICS

■ Fast access time

— Speed options as fast as 55 ns

■ Low power consumption

— 100 μA maximum CMOS standby current

■ JEDEC-approved pinout

— Plug in upgrade of 1 Mbit EPROM

— Easy upgrade from 28-pin JEDEC EPROMs

■ Single +5 V power supply

■ ±10 power supply tolerance standard

■ 100 Flashrite? programming

— Typical programming time of 32 seconds

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

■ High noise immunity

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