24AA64-I/MS

Memory IC Overview

The Microchip Technology 24AA64-I/MS is a 64-Kbit Electrically Erasable PROM organized as an 8K x 8-bit memory block. It features a two-wire I2C compatible serial interface and operates on a single supply voltage ranging from 1.7V to 5.5V. The device supports clock frequencies up to 400 kHz, with a reduced limit of 100 kHz when VCC is below 2.5V. It includes Schmitt trigger inputs for noise suppression and output slope control to eliminate ground bounce. The component offers hardware write protection via the WP pin and supports page writes of up to 32 bytes.

Memory IC Feature Summary

• Low-power CMOS technology enabling operation down to 1.7V with minimal standby current
• Two-wire serial interface compatible with standard I2C protocols
• Hardware write-protect capability through dedicated control pin
• Supports cascading up to eight devices on a single bus using address pins

Memory IC Applications

• Personal communications systems requiring non-volatile data storage
• Data acquisition applications needing low power consumption
• Industrial control systems operating within industrial temperature ranges
• Embedded systems utilizing I2C communication buses

Memory IC Procurement Notes

Verify that the ordering suffix corresponds to the MSOP-8 package type. Confirm the 'I' designation indicates the Industrial temperature range of -40°C to +85°C. Ensure compatibility with the system's I2C voltage levels, noting the 100 kHz frequency limitation at voltages below 2.5V. Check for RoHS compliance requirements if applicable to the manufacturing process.

Memory IC Selection Notes

Select this component for designs requiring 64-Kbit EEPROM capacity with I2C connectivity. It is suitable for applications demanding low active and standby currents. Consider the MSOP package for surface mount assembly constraints. Verify that the system voltage remains above 1.7V for full functionality and check if higher speed or automotive qualification is needed for other variants.

Memory IC Part Context

This part belongs to the 24AA64/24FC64/24LC64 family of 64-Kbit serial EEPROMs. The 24AA64 variant specifically supports operation down to 1.7V, distinguishing it from the 24LC64 which requires a minimum of 2.5V. The 'I' suffix denotes the industrial temperature grade, while 'MS' identifies the specific MSOP-8 surface mount package configuration.

Memory IC Replacement Considerations

Public confirmed substitute part numbers include 24AA64T-I/MS and 24AA64-I/SN.