24CSM01T-I/Q4B

Memory IC Overview

The Microchip Technology 24CSM01T-I/Q4B is a 1-Mbit (131,072 x 8 bit) Serial EEPROM featuring a High-Speed I²C interface with 3.4 MHz capability. It operates within a voltage range of 1.7V to 5.5V and supports industrial temperatures from -40°C to +85°C. The device includes a Security Register with a preprogrammed 128-bit serial number and user-programmable ID page. Built-in ECC logic corrects single-bit errors, and it offers hardware or software write protection options.

Memory IC Feature Summary

• High-Speed I²C Interface supporting up to 3.4 MHz operation
• Integrated Security Register with unique 128-bit serial number
• Built-in Error Correction Code (ECC) for data reliability
• Versatile Write Protection via Hardware WP pin or Software Configuration

Memory IC Applications

• Consumer electronics requiring reliable nonvolatile storage
• Industrial systems needing dependable memory
• Automotive applications qualified under AEC-Q100 standards

Memory IC Procurement Notes

Verify the specific suffix 'I/Q4B' corresponds to the Industrial temperature range (-40°C to +85°C) and UDFN-8 package type as documented in the official datasheet. Confirm that the ordering code matches the exact pinout and electrical specifications required for your design, as variations exist within the 24CSM01 family.

Memory IC Selection Notes

Select this component when high-speed data transfer rates up to 3.4 MHz are required alongside robust security features. The integrated 128-bit serial number simplifies manufacturing serialization. Ensure the application benefits from the built-in ECC for improved data integrity and requires flexible write protection mechanisms suitable for critical data storage.

Memory IC Part Context

This part belongs to the 24CSM01 family of 1-Mbit Serial EEPROMs. It shares architectural similarities with other devices in the series but is distinguished by its specific temperature rating and packaging configuration. The device is optimized for applications demanding high reliability and secure identification capabilities.

Memory IC Replacement Considerations

Direct replacements must match the 1-Mbit capacity, I²C interface, and 3.4 MHz speed. Verify compatibility of the UDFN-8 package dimensions and pinout. Consider parts like the 24CSM01T-E/Q4B if extended temperature ranges are needed, ensuring all electrical characteristics align with system requirements.