AT28C256-15PU

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This IC is an EEPROM memory chip with a storage capacity of 256 kilobits

  • Manufacturer Part # : AT28C256-15PU

  • Package/Case: PDIP-28

  • Brand: Microchip

  • Product Categories : Memory

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Service & Packaging

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AT28C256-15PU DataSheet

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Details

The AT28C256-15PU, developed by Microchip, is a high-performance 256Kbit Parallel EEPROM suitable for both Industrial and Military temp ranges. It offers access times to 150ns and a power dissipation of 440mW, with a CMOS standby current of less than 200μA when deselected. The device can be accessed like static RAM for the read or write cycle without requiring external components and includes a 64-byte page register to facilitate writing of up to 64bytes simultaneously. In its Military version, it features an internal Error Correction Circuit for extended endurance and improved data retention, as well as an optional Software Data Protection mechanism guarding against inadvertent writes. Additionally, an extra 64 bytes of EEPROM enable device identification or tracking. For those interested in the MIL product, the AT28C256 is available DUAL MARKED with the appropriate Standard Military Drawing Number - 5962-88525xxxx, where applicable. For exact MIL product availability, please refer to the datasheet

Key Features

  • 256K (32K x 8) EEPROM memory
  • Fast access time - 150ns
  • Low power consumption
  • Single power supply operation
  • Data retention of at least 100 years
  • TTL-compatible inputs and outputs
  • Programming voltage: 6.25V
  • Erase/write cycles: 100,000
  • DIP package with 28 pins
  • AT28C256-15PU

    Application

  • The AT28C256-15PU is commonly used in embedded systems, microcontroller programming, data storage in various electronic devices, industrial control systems, communication equipment, automotive electronics, and consumer electronics for its nonvolatile memory capabilities
  • Specifications

    The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

    Product Category ! EEPROM RoHS Details
    Mounting Style Through Hole Package / Case PDIP-28
    Interface Type Parallel Memory Size ! 256 kbit
    Organization 32 k x 8 Supply Voltage - Min 4.5 V
    Supply Voltage - Max 5.5 V Minimum Operating Temperature - 40 C
    Maximum Operating Temperature ! + 85 C Maximum Clock Frequency 5 MHz
    Access Time 150 ns Data Retention 10 Year
    Supply Current - Max 50 mA Series AT28C256
    Active Read Current - Max 50 mA Brand Microchip Technology
    Height 4.83 mm/0.38 mm (Max)/(Min) Length 37.34 mm (Max)
    Moisture Sensitive Yes Operating Supply Current 50 mA
    Operating Supply Voltage ! 5 V Output Enable Access Time 70 ns
    Product Type ! EEPROM Programming Voltage ! 4.5 V to 5.5 V
    Factory Pack Quantity 14 Subcategory Memory & Data Storage
    Width 13.97 mm (Max) Unit Weight 0.147798 oz

    Datasheet PDF

    Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

    Preliminary Specification AT28C256-15PU PDF Download

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