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AM27C020 Datasheet

Part Number AM27C020
Manufacturers Advanced Micro Devices
Logo Advanced Micro Devices
Description 2 Megabit (256 K x 8-Bit) CMOS EPROM
Datasheet AM27C020 DatasheetAM27C020 Datasheet (PDF)

FINAL Am27C020 2 Megabit (256 K x 8-Bit) CMOS EPROM DISTINCTIVE CHARACTERISTICS s Fast access time — Speed options as fast as 55 ns s Low power consumption — 100 µA maximum CMOS standby current s JEDEC-approved pinout — Plug in upgrade of 1 Mbit EPROM — Easy upgrade from 28-pin JEDEC EPROMs s Single +5 V power supply s ±10% power supply tolerance standard s 100% Flashrite™ programming — Typical programming time of 32 seconds s Latch-up protected to 100 mA from –1 V to VCC + 1 V s High noise imm.

  AM27C020   AM27C020






2 Megabit (256 K x 8-Bit) CMOS EPROM

FINAL Am27C020 2 Megabit (256 K x 8-Bit) CMOS EPROM DISTINCTIVE CHARACTERISTICS s Fast access time — Speed options as fast as 55 ns s Low power consumption — 100 µA maximum CMOS standby current s JEDEC-approved pinout — Plug in upgrade of 1 Mbit EPROM — Easy upgrade from 28-pin JEDEC EPROMs s Single +5 V power supply s ±10% power supply tolerance standard s 100% Flashrite™ programming — Typical programming time of 32 seconds s Latch-up protected to 100 mA from –1 V to VCC + 1 V s High noise immunity s Compact 32-pin DIP, PDIP, and PLCC packages 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. Data can be typically accessed in less than 55 ns, allowing high-performance microprocessors to operate without any WAIT states. The device offers separate Output Enable (OE#) and Chip Enable (CE#) controls, thus eliminating bus contention in a multiple bus microprocessor system. AMD’s CMOS process technology provides high speed, low power, and high noise immunity. Typical power consumption is only 100 mW in active mode, and 100 µW in standby mode. All signals are TTL levels, including programming signals. Bit locations may be programmed singly.


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