24LC1025-I/SN

Memory IC Overview

The Microchip Technology 24LC1025-I/SN is a 128K x 8 (1024K bit) Serial Electrically Erasable PROM. It operates across a voltage range of 2.5V to 5.5V with a maximum clock frequency of 400 kHz. The device supports I2C compatible 2-wire serial interface and features Schmitt trigger inputs for noise suppression. It includes hardware write-protect capability, output slope control to eliminate ground bounce, and ESD protection exceeding 4000V. Designed for low-power applications, it offers data retention over 200 years and more than 1 million erase/write cycles.

Memory IC Feature Summary

• Supports bidirectional 2-wire I2C compatible serial interface
• Features hardware write-protect via the WP pin
• Includes Schmitt trigger inputs for improved noise suppression
• Provides output slope control to eliminate ground bounce

Memory IC Applications

• Personal communications devices
• Data acquisition systems
• Advanced low-power applications

Memory IC Procurement Notes

Verify that the ordering suffix 'I' corresponds to the Industrial temperature range (-40°C to +85°C). Confirm the 'SN' suffix indicates the 8-lead SOIC package. Ensure the specific part number matches the required voltage range of 2.5V to 5.5V, as other variants in this family support different minimum voltages.

Memory IC Selection Notes

Select this component when an I2C interface is required for non-volatile storage in industrial environments. The 24LC1025-I/SN is suitable for designs needing up to four devices on the same bus using configurable chip select pins A0 and A1. Note that the A2 pin must be tied to VCC for proper operation.

Memory IC Part Context

This device belongs to the 24XX1025 family, which also includes the 24AA1025 and 24FC1025. While sharing similar architecture and memory organization, these variants differ in operating voltage ranges and maximum clock frequencies. The 24LC1025 specifically supports both Industrial and Automotive temperature grades.

Memory IC Replacement Considerations

The 24AA1025 and 24FC1025 are functionally similar within the same datasheet but have different electrical specifications regarding voltage and speed.