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AT27BV256 - 256K One-time PROM

General Description

The Atmel AT27BV256 is a high-performance, low-power, low-voltage, 262,144-bit, onetime programmable, read-only memory (OTP EPROM) organized as 32K by 8 bits.

Key Features

  • Fast read access time.
  • 70ns.
  • Dual voltage range operation.
  • Unregulated battery power supply range, 2.7V to 3.6V, or.
  • Standard power supply range, 5V  10%.
  • Pin compatible with JEDEC standard Atmel® AT27C256R.
  • Low-power CMOS operation.
  • 20µA max standby (less than 1µA, typical) for VCC = 3.6V.
  • 29mW max active at 5MHz for VCC = 3.6V.
  • JEDEC standard surface mount package.
  • 32-lead PLCC.
  • High-r.

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Other Datasheets by Atmel (now Microchip Technology)

Part Number Description
AT27BV010 1 Megabit 128K x 8 Unregulated Battery-Voltage OTP CMOS EPROM
AT27BV020 2-Megabit 256K x 8 Unregulated Battery-Voltage High Speed OTP EPROM
AT27BV040 4 Megabit 512K x 8 Unregulated Battery-Voltage High Speed OTP CMOS EPROM
AT27BV1024 1Mb PROM
AT27BV400 4-Megabit 256K x 16 or 512K x 8 Unregulated Battery-Voltage High Speed OTP EPROM

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.

View original datasheet text
Features • Fast read access time – 70ns • Dual voltage range operation – Unregulated battery power supply range, 2.7V to 3.6V, or – Standard power supply range, 5V  10% • Pin compatible with JEDEC standard Atmel® AT27C256R • Low-power CMOS operation – 20µA max standby (less than 1µA, typical) for VCC = 3.6V – 29mW max active at 5MHz for VCC = 3.