24LC32AT-E/SM

Memory IC Overview

The Microchip Technology 24LC32AT-E/SM is a 32-Kbit Electrically Erasable PROM organized as a single block of 4K x 8-bit memory. It operates on a single supply voltage ranging from 2.5V to 5.5V and supports I2C compatible two-wire serial interfaces with clock frequencies up to 400 kHz. The device features a 32-byte page write buffer, hardware write-protect capability, and Schmitt trigger inputs for noise suppression. It is designed for extended temperature operation from -40°C to +125°C and is housed in an 8-lead MSOP package.

Memory IC Feature Summary

• Supports bidirectional data transfer via a two-wire serial interface compatible with the I2C protocol.
• Includes a 32-byte page write buffer to facilitate efficient data storage operations.
• Provides hardware write protection through the WP pin to prevent unintended data modification.

Memory IC Applications

• Data acquisition systems requiring non-volatile storage
• Personal communications devices
• Industrial control applications

Memory IC Procurement Notes

Verify that the specific ordering suffix corresponds to the required temperature range and package type. Confirm that the voltage supply matches the 2.5V minimum requirement for the LC series. Ensure compatibility with the host system's I2C bus timing specifications before integration.

Memory IC Selection Notes

Select this component when an extended industrial temperature range is required alongside standard I2C connectivity. The 24LC32A variant is suitable for designs operating at voltages starting at 2.5V. Consider the MSOP package dimensions if space constraints dictate a surface-mount solution with a narrow profile.

Memory IC Part Context

This part belongs to the 24XX32A family of 32-Kbit serial EEPROMs manufactured by Microchip Technology. The family includes variants with different voltage ranges and temperature ratings, such as the 24AA32A which supports lower voltages down to 1.7V. The 'E' designation indicates the extended temperature grade.

Memory IC Replacement Considerations

Public confirmed substitute part numbers: 24LC32AF-E/MS, 24LC32A-E/SM.