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AT25256A-10PU-2.7 ATMEL DIP8 SPI Serial EEPROMs 128K (16,384 x 8) 256K (32,768 x 8)

  • Author:Lulu
  • Source:Www.ic-stocks.com
  • Release on:2018-10-07

• Serial Peripheral Interface (SPI) Compatible

• Supports SPI Modes 0 (0,0) and 3 (1,1)

• Data Sheet Describes Mode 0 Operation

• Low-voltage and Standard-voltage Operation – 2.7 (VCC = 2.7V to 5.5V) – 1.8 (VCC = 1.8V to 5.5V)

• 20 MHz Clock Rate (5V)

• 64-byte Page Mode and Byte Write Operation

• Block Write Protection – Protect 1/4, 1/2, or Entire Array

• Write Protect (WP) Pin and Write Disable Instructions for Both Hardware and Software Data Protection

• Self-timed Write Cycle (5 ms Max)

• High-reliability – Endurance: 1 Million Write Cycles – Data Retention: >100 Years

• 8-lead PDIP, 8-lead EIAJ SOIC, 8-lead JEDEC SOIC, 8-lead TSSOP, 8-ball dBGA2 and 8-lead Ultra Thin SAP Packages

• Lead-free/Halogen-free

• Available in Automotive

• Die Sales: Wafer Form, Waffle Pack, and Bumped Die


The AT25128A/256A provides 131,072/262,144 bits of serial electrically-erasable programmable read only memory (EEPROM) organized as 16,384/32,768 words of 8 bits each. The device is optimized for use in many industrial and commercial applications where low-power and low -voltage operation are essential. The devices are available in space saving 8-lead PDIP, 8-lead EIAJ SOIC, 8-lead JEDEC SOIC, 8-lead TSSOP, 8-ball dBGA2 and 8-lead SAP packages. In addition, the The entire family is available in 2.7V (2.7V to 5.5V) and 1.8V (1.8V to 5.5V) versions. The AT25128A/256A is enabled through the Chip Select pin (CS) and accessed via a 3-wire interface consisting of Serial Data Input (SI), Serial Data Output (SO), and Serial Clock (SCK). All programming cycles are completely self-timed, and no separate Erase cycle is required before Write.

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