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AT24C04C

MCHPAT24C04C

Microchip Technology
Widely used 4Kbit I2C EEPROM (Atmel/Microchip branding), compatible in many designs.
NRND16,632 in stock
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Overview

The AT24C04C is a 4Kbit serial Electrically Erasable and Programmable Read-Only Memory (EEPROM) organized as 512 words of 8 bits each. It operates over a wide voltage range of 1.7V to 5.5V and utilizes an I2C-compatible bidirectional data transfer protocol. This device is designed for low-power and low-voltage applications where non-volatile data storage is required.

Why Choose This Part

The device features a hardware write-protect pin for full array data protection and integrated Schmitt Triggers on inputs for noise suppression. It offers high reliability with 1,000,000 write cycles and 100-year data retention, alongside a fast 5ms maximum self-timed write cycle.

Applications

Configuration Storage
Storing user preferences, calibration data, and system settings in embedded controllers.
Identification Data
Holding serial numbers, MAC addresses, and board revision information for hardware identification.
Event Logging
Recording error codes or status updates in systems with limited write frequency requirements.

Getting Started

Interface the AT24C04C with any MCU via the SCL and SDA lines using standard I2C libraries; ensure pull-up resistors are installed on the bus. For hardware protection, tie the WP pin to VCC to prevent any write operations to the memory array.

Part of 24LCxx / AT24Cxx I2C EEPROM family » AT24C04C

AT24C04C Family

Part NumberDifferenceStock
AT24C04C-SSHM-T (Microchip Technology (Atmel)) SSHM-T 218,532

Also Consider

24LC04B MCHPMicrochip Technology - A highly compatible 4Kbit I2C EEPROM often used as a direct alternative in standard 2.5V to 5.5V systems.
CAT24C04 ONonsemi - Provides a 4Kbit non-volatile solution with low power consumption and standard SOIC-8 footprint compatibility.

Categories

Memory & Storage > EEPROM