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24LC01BT-I/OT

MCHP24LC01BT-I/OT

Microchip Technology
EEPROM Memory IC 1Kbit I2C 400 kHz 3.5 µs SOT-23-5
Active3,825 in stock
Datasheet Digi-Key Compare Prices

Overview

The 24LC01BT-I/OT is a 1Kbit serial EEPROM organized as 128 x 8-bit bytes, designed for low-power non-volatile storage. It features a wide voltage range of 2.5V to 5.5V and communicates over an I2C-compatible two-wire interface. This device is AEC-Q100 qualified, making it suitable for automotive and industrial environments requiring robust data retention.

Why Choose This Part

This EEPROM offers high reliability with more than 1 million erase/write cycles and over 200 years of data retention. Its SOT-23-5 package and low 1 uA standby current make it an excellent choice for battery-powered designs. The inclusion of Schmitt Trigger inputs and output slope control ensures robust performance in electrically noisy environments.

Applications

Configuration Storage
Ideal for storing calibration constants, board serial numbers, and user preference settings in space-constrained embedded systems.
Automotive Telematics
Utilizes AEC-Q100 qualification to store diagnostic trouble codes and odometer data in vehicle subsystems.
Industrial Sensor Calibration
Provides non-volatile storage for sensor offset and gain parameters with high endurance for periodic updates.
Peripheral ID
Acts as an identification chip for modular accessories, allowing a host MCU to recognize hardware versions and capabilities.

Key Specifications

Technology EEPROM
Access Time 3.5 us
Memory Size 1Kbit
Memory Type Non-Volatile
Memory Format EEPROM
Mounting Type Surface Mount
Package / Case SC-74A, SOT-753
Clock Frequency 400 kHz
Memory Interface I2C
Voltage - Supply 2.5V ~ 5.5V
Memory Organization 128 x 8
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package SOT-23-5
Write Cycle Time - Word, Page 5ms

Getting Started

To interface with this device, connect the SCL and SDA lines to a microcontroller I2C peripheral with appropriate pull-up resistors. Ensure the VDD is within the 2.5V to 5.5V range and use a standard I2C library capable of 400 kHz operation. Hardware write protection can be implemented to prevent accidental data corruption during power cycles.

24LC01BT-I/ Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Package Stock
24LC01BT-I/OT (this part) SC-74A, SOT-753 3,825
24LC01BT-I/SN SOIC-8 38,641

Also Consider

AT24C01D-STUM-T MCHPMicrochip Technology - An alternative 1Kbit EEPROM with a wider supply voltage range down to 1.7V for ultra-low power applications.
24AA01T-I/OT MCHPMicrochip Technology - Select this variant if operation down to 1.7V is required, though it lacks the specific LC-series automotive voltage optimization.
M24C01-RMN6TP STMicroelectronics - A comparable 1Kbit I2C EEPROM available in an SO8 package for designs where SOT-23 is too small for assembly requirements.