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Home > Embedded ICs > Embedded - Memory > AT28HC64B-90JC
Microchip

AT28HC64B-90JC

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AT28HC64B-90JC Overview

The AT28HC64B-90JC is a high-speed, low-power, electrically erasable and programmable read-only memory (EEPROM) chip manufactured by Microchip Technology. It has a capacity of 64 kilobits organized as 8,192 words of 8 bits each. The chip operates on a single power supply of 5 volts and is available in a 32-pin PLCC package.

Features

  • 64 kilobits (8,192 x 8) of electrically erasable and programmable read-only memory (EEPROM)
  • High-speed operation with access time as fast as 70 ns
  • Low power consumption with standby current of only 50 µA and active current of 30 mA
  • Single 5V power supply with TTL-compatible inputs and outputs
  • Erase and write operations are fully electrically erasable
  • Available in 32-pin PLCC package

Applications

  • Industrial control systems
  • Data storage devices
  • Automotive systems
  • Embedded systems
  • Programmable logic controllers (PLCs)
  • Medical devices

Specifications

  • Mounting Style SMD/SMT

  • Maximum Operating Current 40 mA

  • Organization 8 K x 8

  • Output Enable Access Time 40 ns

  • Minimum Operating Temperature 0 C

  • Supply Voltage - Min 4.5 V

  • Access Time 55 ns

  • Memory Size 8 Kbit

  • Package / Case PLCC-32

  • Operating Supply Voltage 5 V

  • Maximum Operating Temperature + 70 C

  • Supply Voltage - Max 5.5 V

  • Interface Type SPI

  • Data Retention 10 yr

  • Operating Current 40 mA

  • Factory Pack Quantity 32

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