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Home > Embedded ICs > Embedded - Memory > 25AA640A-I/SN

25AA640A-I/SN

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EmbedIC has the unique source of supply. We can offer 25AA640A-I/SN more competitive price for our customers. You can enjoy our best service by purchasing MICROCHIP 25AA640A-I/SN, Please feel free to contact for the best price of 25AA640A-I/SN Memory. Click To Get Quotation

25AA640A-I/SN Overview

The Microchip 25AA640A is a 64 Kb Serial EEPROM utilizing theindustry standard Serial Peripheral Interface (SPI) compatible serial bus. Thedevice is organized as one block of 8192 x 8-bit and is optimized for use in consumer electronics, industrial, medical,and automotive applications where reliable and dependable nonvolatile memorystorage is essential. Software write protection allows the user to protect ¼,½, or the entire memory array. A hardware write protect pin is also provided,which additionally protects against inadvertent writes to the status register.The EEPROM is available in a variety of space-saving packaging options.

For product comparison, please consider:AT25640B,25LC640A

Features

    • 8192 x 8-bit (64 Kbit)
    • Serial Peripheral Interface (SPI) Compatible
      • Supports SPI modes 0 and 3
      • Up to 10 MHz clock frequency
    • Self-Timed Erase and Write Cycles (5 ms max.)
    • Low Power Consumption
      • Read current: 5 mA (Max) at 10 MHz
      • Write current: 5 mA (Max) at 10 MHz
      • Standby current: 1 μA (Max) at 5.5 V
    • Block Write Protection: Protect 1/4, 1/2 or Entire Array
    • More than 1 million erase/write cycles
    • Data retention > 200 years
    • Temperature Ranges Available
      • Industrial (I): -40°C to 85°C
      • Extended (E): -40°C to +125°C
    • Automotive AECQ-100 Qualified1
    • Factory Programming Available
    • Available in standard packages including 8-lead PDIP and SOIC, and advanced packages including 8-lead MSOP, 8-lead TSSOP and 8-lead 2x3 TDFN
    1Contact Microchip for automotive grade products

Specifications

  • Mounting Style SMD/SMT

  • Maximum Operating Current 5 mA

  • Organization 8 K x 8

  • Minimum Operating Temperature - 40 C

  • Supply Voltage - Min 1.8 V

  • Access Time 160 ns

  • Memory Size 64 Kbit

  • Package / Case SOIC-8 Narrow

  • Operating Supply Voltage 2.5 V, 3.3 V, 5 V

  • Maximum Clock Frequency 3 MHz

  • Packaging Tube

  • Maximum Operating Temperature + 85 C

  • Supply Voltage - Max 5.5 V

  • Interface Type SPI

  • Data Retention 200 yr

  • Factory Pack Quantity 100

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