GENERAL DESCRIPTION

The Am27C2048 is a 2 Mbit, ultraviolet erasable programmable read-only memory. It is organized as 128 K words, operates from a single +5 V supply, has a static standby mode, and features fast single address location programming. The Am27C2048 is ideal for use in 16-bit microprocessor systems. The device is available in windowed ceramic DIP packages, and 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

— 40-pin DIP/PDIP

— 44-pin PLCC

■ Single +5 V power supply

■ ±10 power supply tolerance standard

■ 100 Flashrite programming

— Typical programming time of 16 seconds

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

■ Versatile features for simple interfacing

— Both CMOS and TTL input/output compatibility

— Two line control functions

■ High noise immunity