AT24CS04

AT24CS04/AT24CS08 I²C-Compatible (Two-Wire) Serial EEPROM with a Unique, Factory-Programmed 128-Bit Serial Number 4‑Kbit (512 x 8), 8‑Kbit (1,024 x 8) Features Low-Voltage Operation: – VCC = 1.7V to 5.5V Internally Organized as 512 x 8 (4K) or 1,024 x 8 (8K) 128-Bit Unique Factory-Programmed Serial Number – Permanent read-only value – Unique across entire CS Series of Serial EEPROMs Industrial Temperature Range: -40°C to +85°C I2C-Compatible (Two-Wire) Serial Interface: – 100 kHz Standard Mode, 1.7V to 5.5V – 400 kHz Fast Mode, 1.7V to 5.5V – 1 MHz Fast Mode Plus (FM+), 2.5V to 5.5V Schmitt Triggers, Filtered Inputs for Noise Suppression Bidirectional Data Transfer Protocol Write-Protect Pin for Full Array Hardware Data Protection Ultra Low Active Current (3 mA maximum) and Standby Current (6 μA maximum) 16-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 Options: Wafer Form and Tape and Reel Available Packages 8-Lead SOIC, 8-Lead TSSOP, 8-Pad UDFN and 5-Lead SOT23 © 2020 Microchip Technology Inc. Datasheet DS20006350A-page 1 AT24CS04/AT24CS08 Table of Contents Features............................................................................................................................