24LC32AT-I/MC

Memory IC Overview

The Microchip Technology 24LC32AT-I/MC is a 32-Kbit Electrically Erasable PROM (EEPROM) organized as a single block of 4K x 8-bit memory. It operates with a supply voltage range of 2.5V to 5.5V and supports I2C compatible two-wire serial interfaces at clock frequencies up to 400 kHz. The device features a 32-byte page write buffer, hardware write-protect capability, and an access time of 900 ns. It is housed in an 8-lead DFN package and functions within an industrial temperature range of -40°C to +85°C.

Memory IC Feature Summary

• Supports bidirectional two-wire serial communication via SDA and SCL pins
• Includes a 32-byte page write buffer for efficient data transfer
• Provides hardware write protection through the WP pin
• Features Schmitt trigger inputs for improved noise suppression

Memory IC Applications

• Personal communications devices requiring non-volatile storage
• Data acquisition systems needing low-power memory solutions
• Industrial control applications operating within standard temperature ranges

Memory IC Procurement Notes

Verify that the specific ordering suffix matches the required package type and temperature grade. Confirm the voltage range compatibility with the target system, as this variant requires a minimum of 2.5V. Ensure the I2C bus pull-up resistors are selected appropriately for the desired clock speed to maintain signal integrity during operation.

Memory IC Selection Notes

Select this component when a 32-Kbit EEPROM with I2C interface is required for industrial environments. It is suitable for designs needing hardware write protection and low standby current. Compare against the 24AA32A series if operation below 2.5V is necessary, as this model specifies a 2.5V minimum supply voltage.

Memory IC Part Context

This part belongs to the 24XX32A family of serial EEPROMs from Microchip Technology. The family offers various package options including PDIP, SOIC, MSOP, and DFN. The 'I' designation indicates industrial temperature rating, while 'MC' specifies the 8-lead DFN package configuration.

Memory IC Replacement Considerations

The 24AA32AT-I/MC serves as a direct functional substitute with identical pinout and memory organization, differing primarily in its lower minimum operating voltage of 1.7V compared to the 2.5V requirement of the 24LC32AT.