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AT27C020 Datasheet 2-Megabit EPROM

Manufacturer: Atmel (now Microchip Technology)

General Description

The Atmel® AT27C020 is a low-power, high-performance, 2,097,152-bit, one-time programmable, read-only memory (OTP EPROM) organized as 256K by 8 bits.

It requires only one 5V power supply in normal read mode operation.

Any byte can be accessed in less than 55ns, eliminating the need for speed-reducing WAIT states on high-performance microprocessor systems.

Key Features

  • Fast read access time.
  • 55ns.
  • Low-power CMOS operation.
  • 100µA max standby.
  • 25mA max active at 5MHz.
  • JEDEC standard packages.
  • 32-lead PDIP.
  • 32-lead PLCC.
  • 5V 10% supply.
  • High-reliability CMOS technology.
  • 2,000V ESD protection.
  • 200mA latchup immunity.
  • Rapid programming algorithm.
  • 100µs/byte (typical).
  • CMOS- and TTL-compatible inputs and outputs.
  • Integrate.