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AT25256B Datasheet Spi Serial Eeprom

Manufacturer: Microchip Technology

Overview: AT25128B/AT25256B SPI Serial EEPROM 128 Kbits (16,384 x 8) and 256 Kbits (32,768 x.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

..........................................................................................................

5 2.1.

Chip Select (CS)...........................................................................................................................5 2.2.

Key Features

  • Serial Peripheral Interface (SPI) Compatible.
  • Supports SPI Modes 0 (0,0) and 3 (1,1):.
  • Data sheet describes mode 0 operation.
  • Low-Voltage Operation:.
  • 1.8V (VCC = 1.8V to 5.5V).
  • Industrial Temperature Range: -40°C to +85°C.
  • 20 MHz Clock Rate (5V).
  • 64‑Byte Page Mode.
  • Block Write Protection:.
  • Protect 1/4, 1/2 or entire array.
  • Write-Protect (WP) Pin and Write Disable Instructions for Both Hardware and.

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