Manufacturer Part Number
AT24C256B-TH-B
Manufacturer
Microchip Technology
Introduction
The AT24C256B-TH-B is a 256Kbit EEPROM from Microchip Technology designed for storage applications where data persistence is required even when power is turned off.
Product Features and Performance
Non-Volatile EEPROM Memory
Memory Size: 256Kbit
Byte and Page Write (up to 64 Bytes)
Self-Timed Write Cycle with Auto-Clear
Random and Sequential Read Modes
Write Cycle Time - Word, Page: 5ms
Access Time: 550 ns
Programmable Write Protect
High Reliability with Endurance: 1 Million Write Cycles and Data Retention: 100 Years
Product Advantages
Wide Voltage Range: 1.8V to 5.5V
Operating Temperature Range: -40°C to 85°C
Low Power Consumption
High-Level Data Security Features
Key Technical Parameters
Memory Organization: 32K x 8
Memory Interface: I2C
Clock Frequency: 1 MHz
Supply Voltage: 1.8V to 5.5V
Operating Temperature: -40°C to 85°C
Quality and Safety Features
ESD Protection
Endurance: 1 Million Write Cycles
Data Retention: 100 Years
Compatibility
I2C Serial Interface Compatible
Compatible with Other Two-wire Serial Interface Devices
Application Areas
Consumer Electronics
Industrial Control Systems
Automotive Electronics
Telecommunication Systems
Medical Devices
Smart Cards
Product Lifecycle
Obsolete
Replacements or upgrades may be available but need to be checked for specific applications.
Several Key Reasons to Choose This Product
High Reliability and Long Data Retention Span
Supports Wide Range of Operating Temperatures for Various Environments
Flexible Voltage Range Suitable for Many Applications
Ease of Integration with I2C Serial Interface
Low Power Consumption Helps Preserve Battery Life in Portable Devices
Robust in Harsh Conditions with ESD Protection
Good Choice for Applications Requiring Frequent Data Updates Due to its Endurance
Part of a Well-Known Family, Simplifying Transition to Similar Products for Upgrades