AT24C256C in 24LCxx / AT24Cxx I2C EEPROM Family
The AT24C256C is a high-performance, 256-Kbit I2C Serial EEPROM family manufactured by Microchip (formerly Atmel). Designed for industrial and commercial applications, it provides 32,768 words of 8 bits each, organized as 64-page blocks. It supports a wide operating voltage range from 1.7V to 5.5V and utilizes the industry-standard two-wire I2C interface, making it a reliable solution for persistent data storage in microcontroller-based systems across various power architectures.
Variants in This Sub-Family
| Part Number | Difference | Stock |
|---|---|---|
| AT24C256C-SSHL-T (Microchip) | SSHL-T | — |
Variants within the AT24C256C sub-family are primarily distinguished by their physical packaging and temperature ratings. Common options include SOIC-8, TSSOP-8, UDFN-8, and VFBGA-8 packages, tailored for different PCB space constraints. Additionally, variants differ in their delivery formats, such as bulk tubes or tape-and-reel (denoted by the T suffix). Some specialized versions are also rated for automotive grade temperature ranges or lead-free/halogen-free compliance requirements.



