Now in Stock: 24CW640T-I/CS1668 | 64Kbit I²C EEPROM from Microchip Technology | Brand New, Fully Traceable, and Ready to Ship!
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
FAQ: Why Source the 24CW640T-I/CS1668 from Component Sense?
Here are the most common questions procurement teams ask when sourcing 24CW640T-I/CS1668:
Are the components brand new and fully traceable?
Yes. All our stock is brand new, unused, and fully traceable back to tier-one OEM or EMS partners. We don’t deal in refurbished parts.
How does Component Sense ensure the authenticity of its components?
Every component undergoes our inspection process, developed in collaboration with leading Scottish universities. We guarantee form, fit, and function, and include a 12-month warranty.
Do you stock other components?
We hold over $1 billion worth of excess and obsolete inventory, updated regularly so you can source parts quickly and keep production moving.
Our inventory is available for browsing here.
How quickly can you ship the 24CW640T-I/CS1668?
This part ships from the UK, with same-day dispatch available. We also aim to provide quotes within an hour and maintain an on-time delivery rate of 95%+.
Does Component Sense support sustainable purchasing?
Yes. By redistributing excess components, we help reduce electronic waste and extend product lifecycles. For Earth Day this April, we’re also planting 10 trees for every order placed this month.
Why should I source the 24CW640T-I/CS1668 from Component Sense?
Because you get traceable, reliable components quickly, without the usual sourcing risk. When you need the 24CW640T-I/CS1668, we make the process seamless: we only carry trusted inventory, we guarantee fast delivery, and by purchasing brand-new excess parts, you are sourcing sustainably.