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IS23SC4442 - 256 BYTE EEPROM

Description

IS23SC4442 contains 256 x 8 bits of EEPROM main memory and a 32 x 1 bit protection PROM memory.

The main memory can be randomly accessed byte by byte.

During memory erase, all 8 bits of a byte are set to logical one.

Features

  • Standard CMOS process.
  • 256 x 8 bits EEPROM organization.
  • Byte-wise addressing.
  • Irreversible byte-wise write protection of lowest 32 address (Byte 0..31).
  • 3-byte Programmable Security Code (PSC) for memory write/erase protection.
  • 2.7-5.5V power supply for read and write/erase.
  • Low power operation: 3 mA typical active current.
  • 2.5 ms programming time.
  • 2-wire serial interface www. DataSheet4U. com ISSI.

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Datasheet preview – IS23SC4442

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Full PDF Text Transcription

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IS23SC4442 256 BYTE EEPROM WITH WRITE PROTECT FUNCTION AND PROGRAMMABLE SECURITY FEATURES • Standard CMOS process • 256 x 8 bits EEPROM organization • Byte-wise addressing • Irreversible byte-wise write protection of lowest 32 address (Byte 0..31) • 3-byte Programmable Security Code (PSC) for memory write/erase protection • 2.7-5.5V power supply for read and write/erase • Low power operation: 3 mA typical active current • 2.5 ms programming time • 2-wire serial interface www.DataSheet4U.com ISSI PRELIMINARY INFORMATION August 2003 ® DESCRIPTION IS23SC4442 contains 256 x 8 bits of EEPROM main memory and a 32 x 1 bit protection PROM memory. The main memory can be randomly accessed byte by byte. During memory erase, all 8 bits of a byte are set to logical one.
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