24AA044-I/ST

Memory IC Overview

The Microchip Technology 24AA044-I/ST is a 4-kbit (512 x 8) serial electrically erasable programmable read-only memory (EEPROM). It operates within a supply voltage range of 1.7 V to 5.5 V and supports I2C interface clock frequencies up to 1 MHz. The device features a data retention period of 200 years and an active read current maximum of 3 mA. It is housed in an 8-pin TSSOP package and is rated for industrial operating temperatures from -40°C to +85°C.

Memory IC Feature Summary

• Supports high-speed I2C communication with clock frequencies reaching 1 MHz.
• Ensures long-term data integrity with a specified retention period of 200 years.
• Operates across a wide voltage range from 1.7 V to 5.5 V for flexible system integration.

Memory IC Applications

• Industrial control systems requiring non-volatile parameter storage
• Consumer electronics needing configuration data retention
• Automotive modules utilizing low-voltage operation

Memory IC Procurement Notes

Verify the specific suffix 'I/ST' confirms the industrial temperature grade (-40°C to +85°C) and TSSOP-8 package. Confirm the datasheet revision matches the required timing specifications. Ensure compatibility with the target I2C bus voltage levels before finalizing procurement orders.

Memory IC Selection Notes

Select this component when a 4-kbit capacity is sufficient for application needs. Choose this part over higher-capacity variants if board space is limited due to the compact TSSOP-8 footprint. Verify that the 1 MHz I2C speed requirement aligns with the system controller capabilities.

Memory IC Part Context

This EEPROM belongs to the 24AA044 series, designed for general-purpose serial memory applications. It shares architectural similarities with other devices in the Microchip EEPROM portfolio but offers specific voltage and speed characteristics tailored for industrial environments.

Memory IC Replacement Considerations

Direct substitutes include the 24LC044-I/ST, which shares identical pinout and functionality but may differ in voltage tolerance or temperature rating. Verify electrical specifications against the original design requirements before substitution.