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AT24CSW020

Microchip
Part Number AT24CSW020
Manufacturer Microchip
Description Serial EEPROM
Published Aug 11, 2021
Detailed Description AT24CSW01X/AT24CSW02X I²C-Compatible (Two-Wire) Serial EEPROM with a Security Register and Software Write Protection 1‑K...
Datasheet PDF File AT24CSW020 PDF File

AT24CSW020
AT24CSW020

Overview
AT24CSW01X/AT24CSW02X I²C-Compatible (Two-Wire) Serial EEPROM with a Security Register and Software Write Protection 1‑Kbit (128 x 8), 2‑Kbit (256 x 8) Features • Low-Voltage Operation: – VCC = 1.
7V to 3.
6V • Internally Organized as 128 x 8 (1K) or 256 x 8 (2K) • Software Write Protection of the EEPROM Array: – Five configuration options – Protection settings can be made permanent • 256-Bit Security Register: – Preprogrammed 128-bit serial number – Additional 16 bytes of free user EEPROM provided to store critical user data • Factory Set Hardware Client Address: – Unique ordering code for each available client address value (AT24CSW01X/AT24CSW02X) • Industrial Temperature Range: -40°C to +85°C • I2C-Compatible (Two-Wire) Serial Interface: – 100 kHz Standard Mode, 1.
7V to 3.
6V – 400 kHz Fast Mode, 1.
7V to 3.
6V – 1 MHz Fast Mode Plus (FM+), 1.
7V to 3.
6V • Schmitt Triggers, Filtered Inputs for Noise Suppression • Bidirectional Data Transfer Protocol • Ultra Low Active Current (1 mA maximum) and Standby Current (0.
8 μA maximum) • 8-Byte Page Write Mode: – Partial page writes allowed • Random and Sequential Read Modes • 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 Package Options (Lead-free/Halide-free/RoHS compliant) • Die Sale Option: Wafer Form Packages • 5-Lead SOT23 and 4-Ball Ultra-Thin WLCSP © 2020-2021 Microchip Technology Inc.
and its subsidiaries Datasheet DS20006396B-page 1 AT24CSW01X/AT24CSW02X Table of Contents Features.
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