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AT25128B

Microchip
Part Number AT25128B
Manufacturer Microchip
Description SPI Serial EEPROM
Published Aug 13, 2023
Detailed Description AT25128B/AT25256B SPI Serial EEPROM 128 Kbits (16,384 x 8) and 256 Kbits (32,768 x 8) Features • Serial Peripheral Inter...
Datasheet PDF File AT25128B PDF File

AT25128B
AT25128B

Overview
AT25128B/AT25256B SPI Serial EEPROM 128 Kbits (16,384 x 8) and 256 Kbits (32,768 x 8) 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 Software Data Protection • Self-Timed Write Cycle within 5 ms Maximum • ESD Protection > 4,000V • High Reliability: – Endurance: 1,000,000 write cycles – Data retention: 100 years • Green (Lea...


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