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AT25020B

Microchip
Part Number AT25020B
Manufacturer Microchip
Description SPI Automotive Temperature Serial EEPROM
Published Aug 13, 2023
Detailed Description AT25010B/AT25020B/ AT25040B SPI Automotive Temperature Serial EEPROM 1 Kbit (128 x 8), 2 Kbits (256 x 8) and 4 Kbits (51...
Datasheet PDF File AT25020B PDF File

AT25020B
AT25020B

Overview
AT25010B/AT25020B/ AT25040B SPI Automotive Temperature Serial EEPROM 1 Kbit (128 x 8), 2 Kbits (256 x 8) and 4 Kbits (512 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 and Medium-Voltage Operation: – Grade 1, VCC = 2.
5V to 5.
5V – Grade 3, VCC = 1.
7V to 5.
5V • Extended Temperature Range (Grade 1 and Grade 3 as defined in AEC-Q100): – Grade 1 Temperature Range: -40°C to +125°C – Grade 3 Temperature Range: -40°C to +85°C • 5 MHz Clock Rate (5V) • 8‑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 • Automotive AEC-Q100 Qualified • High Reliability: – Endurance: 1,000,000 write cycles – Data retention: 100 years • Green (Lead-free/Halide-free/RoHS Compliant) Package Options Packages • 8-Lead SOIC, 8-Lead TSSOP and 8-Pad UDFN © 2020 Microchip Technology Inc.
Datasheet DS20006285B-page 1 AT25010B/AT25020B/AT25040B Table of Contents Features.
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1 Packages.
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1 1.
Package Types (not to scale).
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4 2.
Pin Description.
5 2.
1.
Chip Select (CS).
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5 2.
2.
Serial Data Output (SO).
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