24LC32AFT-E/OT

Memory IC Overview

The Microchip Technology 24LC32AFT-E/OT is a 32 Kbit Electrically Erasable PROM organized as a single block of 4K x 8-bit memory. It features a 2-wire serial interface compatible with I2C™, supporting clock frequencies up to 400 kHz for VCC ≥ 2.5V. The device operates on a single supply voltage ranging from 2.5V to 5.5V and utilizes low-power CMOS technology with maximum active current of 400 μA and standby current of 1 μA. It includes hardware write-protect capabilities for the upper quarter of the array and supports page writes of up to 32 bytes.

Memory IC Feature Summary

• Supports bidirectional 2-wire serial communication via SDA and SCL pins
• Includes Schmitt trigger inputs for noise suppression
• Features output slope control to eliminate ground bounce
• Provides hardware write protection for the upper quarter of the memory array

Memory IC Applications

• Personal communications devices
• Data acquisition systems
• Advanced low-power applications

Memory IC Procurement Notes

Verify that the specific ordering suffix corresponds to the required temperature grade and package type. Confirm the voltage range requirements align with the 2.5V to 5.5V specification for the LC series. Ensure compatibility with the I2C bus protocol and check for any specific factory programming needs prior to procurement.

Memory IC Selection Notes

Select this component for designs requiring non-volatile storage with I2C connectivity. The Automotive (E) temperature rating supports operation up to +125°C. Consider the 32-byte page write buffer for efficient data writing. Verify that the system voltage remains within the specified operating range to ensure proper functionality and low power consumption.

Memory IC Part Context

This part belongs to the 24AA32AF/24LC32AF family of 32 Kbit Serial EEPROMs. The 'LC' designation indicates a minimum operating voltage of 2.5V, distinguishing it from the 'AA' series which supports lower voltages down to 1.7V. The 'E' suffix denotes an extended automotive temperature range, while 'T' typically indicates tape and reel packaging.

Memory IC Replacement Considerations

Direct substitutes include other 24LC32A variants with different packages or temperature grades, such as 24LC32AT-E/MS or 24LC32AF-I/ST. Ensure pinout compatibility and verify that the replacement part meets the specific voltage and temperature requirements of the application.