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Now in Stock: 24CW640T-I/CS1668 | 64Kbit I²C EEPROM from Microchip Technology | Brand New, Fully Traceable, and Ready to Ship!

Written by Ash Arya | 28-Apr-2026

The 24CW640T-I/CS1668 from Microchip Technology is a 64Kbit serial EEPROM designed for reliable non-volatile data storage in compact electronic systems. If your design needs dependable memory with low power consumption and long-term data retention, this is a dependable choice.

This device uses an I²C interface running up to 1 MHz, making it easy to integrate into microcontroller-based systems. With low operating voltage and strong endurance, it’s well-suited for applications where consistent data storage and efficient performance are essential.

Here’s a closer look at what makes this part stand out.

Key Features of the 24CW640T-I/CS1668

A 64Kbit EEPROM designed for reliable data storage

It provides non-volatile memory, meaning data is retained even when power is removed, making it ideal for embedded systems.

High-speed I²C interface for fast communication

It supports data transfer speeds up to 1 MHz, allowing efficient communication with microcontrollers and other devices.

It has low power consumption for energy-efficient designs

Designed using low-power CMOS technology, it helps reduce overall system power usage.

It supports a wide operating voltage range

Operating from 1.6 V to 5.5 V, it offers flexibility across both low-voltage and standard system designs.

It offers high endurance and long data retention

With up to 1 million write cycles and long retention, it ensures reliable performance over time.

Compact 4-ball CSP package for space-constrained designs

Its small footprint makes it well-suited for high-density PCB layouts.

Applications of the 24CW640T-I/CS1668

This part is typically used in:

  • Embedded systems and microcontroller-based designs
  • Industrial automation equipment
  • Automotive electronics
  • Consumer devices requiring non-volatile memory
  • IoT and low-power applications