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AT27C400 - 4-Megabit 256K x 16 or 512K x 8 OTP EPROM

General Description

The AT27C400 is a low-power, high-performance 4,194,304-bit one-time programmable read only memory (OTP EPROM) organized as either 256K by 16 or 512K by 8 bits.

It requires a single 5V power supply in normal read mode operation.

Key Features

  • Fast Read Access Time - 70 ns Word-wide or Byte-wide Configurable 4 Megabit Flash and Mask ROM Compatible Low Power CMOS Operation.
  • 100 µA Maximum Standby.
  • 50 mA Maximum Active at 5 MHz Wide Selection of JEDEC Standard Packages.
  • 40-Lead 600 mil PDIP.
  • 40-Lead SOIC (SOP).
  • 48-Lead TSOP (12 mm x 20 mm) 5V ± 10% Power Supply High Reliability CMOS Technology.
  • 2,000V ESD Protection.
  • 200 mA L.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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AT27C400 Features • • • • • Fast Read Access Time - 70 ns Word-wide or Byte-wide Configurable 4 Megabit Flash and Mask ROM Compatible Low Power CMOS Operation – 100 µA Maximum Standby – 50 mA Maximum Active at 5 MHz Wide Selection of JEDEC Standard Packages – 40-Lead 600 mil PDIP – 40-Lead SOIC (SOP) – 48-Lead TSOP (12 mm x 20 mm) 5V ± 10% Power Supply High Reliability CMOS Technology – 2,000V ESD Protection – 200 mA Latchup Immunity Rapid™Programming Algorithm - 50 µs/word (typical) CMOS and TTL Compatible Inputs and Outputs Integrated Product Identification Code Commercial and Industrial Temperature Ranges • • • • • • 4-Megabit (256K x 16 or 512K x 8) OTP EPROM AT27C400 Preliminary Description The AT27C400 is a low-power, high-performance 4,194,304-bit one-time programmable read only