AT24C256C

AT24C128C/AT24C256C I²C Automotive Temperature Serial EEPROM 128‑Kbit (16,384 x 8), 256‑Kbit (32,768 x 8) Features Low-Voltage, Medium-Voltage Operation: – Grade 1, VCC = 2.5V to 5.5V – Grade 3, VCC = 1.7V to 5.5V Internally Organized as 16,384 x 8 (128K) or 32,768 x 8 (256K) 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 I2C-Compatible (Two-Wire) Serial Interface: – 100 kHz Standard mode – 400 kHz Fast mode Schmitt Triggers, Filtered Inputs for Noise Suppression Bidirectional Data Transfer Protocol Write-Protect Pin for Hardware Data Protection Ultra Low Active Current (3 mA maximum) and Standby Current (6 μA maximum) 64-Byte Page Write Mode: – Partial page writes allowed Random and Sequential Read Modes Self-Timed Write Cycle within 5 ms Maximum Automotive AEC-Q100 Qualified High Reliability: – Endurance: 1,000,000 write cycles – Data retention: 100 years Green Package Options (Lead-free/Halide-free/RoHS compliant) Packages 8-Lead SOIC, 8-Lead TSSOP and 8-Pad UDFN © 2020 Microchip Technology Inc. Datasheet DS20006270B-page 1 AT24C128C/AT24C256C Table of Contents Features......................................................................................................................................................... 1 Packages.....................................................................................................