AT24C64B

AT24C64B I²C-Compatible (Two-Wire) Serial EEPROM 64-Kbit (8,192 x 8) Features Low-Voltage and Standard Voltage Operation: – 1.8V (VCC = 1.8V to 5.5V) – 2.7V (VCC = 2.7V to 5.5V) Internally Organized as 8,192 x 8 (64K) Industrial Temperature Range: -40°C to +85°C I2C-Compatible (Two-Wire) Serial Interface: – 100 kHz Standard mode, 1.8V to 5.5V – 400 kHz Fast mode, 1.8V to 5.5V Schmitt Triggers, Filtered Inputs for Noise Suppression Bidirectional Data Transfer Protocol Write-Protect Pin for Upper 16 Kb Quadrant Hardware Data Protection Ultra Low Active Current (3 mA maximum) and Standby Current (6 µA maximum) 32-byte Page Write Mode: – Partial page writes allowed Random and Sequential Read Modes Self-Timed Write Cycle within 5 ms Maximum 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 Bumped Wafers Packages 8-lead SOIC and 8-lead TSSOP © 2019 Microchip Technology Inc. 20006188A-page 1 AT24C64B Table of Contents Features.......................................................................................................................... 1 Packages.........................................................................................................................1 1. Package Types (not to scale).................................................................................... 4 2. Pin Descriptions.................