24AA512T-I/SM

Memory IC Overview

The Microchip Technology 24AA512T-I/SM is a 512 Kbit (64K x 8) serial electrically erasable PROM featuring an I²C-compatible two-wire interface. It operates on a single supply voltage ranging from 1.7V to 5.5V with a maximum clock frequency of 400 kHz. The device supports up to eight units on the same bus and includes a 128-byte page write buffer. It offers hardware write protection, Schmitt trigger inputs for noise suppression, and output slope control to eliminate ground bounce.

Memory IC Feature Summary

• Supports cascading of up to eight devices on a single bus using functional address lines A0, A1, and A2.
• Includes a 128-byte page write buffer to optimize data transfer efficiency.
• Features hardware write protection via the WP pin to inhibit array writes when tied high.
• Incorporates Schmitt trigger inputs and output slope control for enhanced signal integrity.

Memory IC Applications

• Personal communications systems requiring low-power non-volatile storage
• Data acquisition applications needing reliable parameter retention
• Industrial control systems utilizing I²C communication protocols

Memory IC Procurement Notes

Verify that the ordering suffix 'SM' corresponds to the specific package type required for your design, as this series utilizes multiple packaging options including SOIC, TSSOP, DFN, and CSP. Confirm the temperature grade 'I' meets your operational environmental requirements. Ensure the voltage range aligns with your system's power supply specifications before finalizing procurement.

Memory IC Selection Notes

Select this component for designs requiring low standby current and operation down to 1.7V. The industrial temperature range (-40°C to +85°C) suits general-purpose applications. Consider the 128-byte page write capability for efficient bulk data updates. Verify that the I²C bus speed requirements do not exceed the 400 kHz limit at the operating voltage.

Memory IC Part Context

This part belongs to the 24XX512 family of 512 Kbit Serial EEPROMs manufactured by Microchip Technology. The family includes variants like the 24LC512 and 24FC512, which differ primarily in voltage ranges and clock speeds. The 'T' suffix indicates tape and reel packaging, while 'I' denotes the industrial temperature rating.

Memory IC Replacement Considerations

The 24LC512T-I/SM and 24FC512T-I/SM are direct replacements within the same datasheet. Note that the 24LC512 requires a minimum voltage of 2.5V, whereas the 24AA512 supports 1.7V. The 24FC512 supports higher clock frequencies but also has specific voltage constraints below 2.5V.