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