24LC32AT-I/MNY

Memory IC Overview

The Microchip Technology 24LC32AT-I/MNY is a 32-Kbit Electrically Erasable PROM (EEPROM) organized as a single block of 4K x 8-bit memory. It features a two-wire I2C compatible serial interface with a maximum clock frequency of 400 kHz for VCC between 2.5V and 5.5V, or 100 kHz for VCC below 2.5V. The device operates within a supply voltage range of 2.5V to 5.5V and supports an industrial temperature range of -40°C to +85°C. It utilizes an 8-lead TDFN package.

Memory IC Feature Summary

• Supports page write operations with a 32-byte page write buffer to enhance bus throughput efficiency.
• Includes hardware write-protect functionality via the WP pin to inhibit write cycles when tied to VCC.
• Features Schmitt trigger inputs on SDA and SCL pins to provide noise suppression and improved spike immunity.

Memory IC Applications

• Data acquisition systems requiring non-volatile storage
• Personal communications devices
• Low-power embedded applications

Memory IC Procurement Notes

Verify that the specific ordering suffix corresponds to the TDFN package type and Industrial temperature grade. Confirm RoHS compliance status and ensure the voltage range matches the application requirements, as this variant requires a minimum of 2.5V. Cross-reference the datasheet revision date to confirm current specifications.

Memory IC Selection Notes

Select this component for designs requiring a 32-Kbit EEPROM with I2C connectivity in a compact surface-mount form factor. Ensure the system voltage remains above 2.5V to maintain 400 kHz operation. Consider the 32-byte page buffer size when designing write algorithms to optimize performance and avoid page boundary overwrites.

Memory IC Part Context

This part belongs to the 24LC32A family of 32-Kbit I2C Serial EEPROMs manufactured by Microchip Technology. The family offers various package options including MSOP, SOIC, and DFN. The 'I' designation indicates the Industrial temperature range, while 'MNY' specifies the 8-lead TDFN package configuration.

Memory IC Replacement Considerations

Direct substitutes include other 24LC32A variants with different packages such as 24LC32AT-I/MS or 24LC32AT-I/MC. Verify pin compatibility and voltage specifications before substitution.

Memory IC FAQ

What is the maximum clock frequency for the 24LC32AT-I/MNY?

The maximum clock frequency is 400 kHz when the supply voltage (VCC) is between 2.5V and 5.5V. If VCC is below 2.5V, the maximum frequency is limited to 100 kHz.

How does the hardware write-protect feature work?

The WP pin allows users to write-protect the entire array. When the WP pin is tied to VCC, write operations are inhibited. When tied to VSS, write protection is disabled.