24LC32AT-E/OT16KVAO

Memory IC Overview

The Microchip Technology 24LC32AT-E/OT16KVAO is a 32-Kbit Electrically Erasable PROM (EEPROM) organized as 4K x 8-bit memory. It operates on a single supply voltage ranging from 2.5V to 5.5V and supports I2C compatible two-wire serial interfaces with clock frequencies up to 400 kHz. The device features low-power CMOS technology, providing typical active current of 1 mA and standby current of 1 µA. It includes hardware write protection, Schmitt trigger inputs for noise suppression, and output slope control. The component is qualified under AEC-Q100 standards and functions within an extended temperature range of -40°C to +125°C.

Memory IC Feature Summary

• Supports bidirectional two-wire serial interface with 100 kHz and 400 kHz clock compatibility
• Includes hardware write-protect capability via the WP pin to inhibit array writes
• Features Schmitt trigger inputs for improved noise spike suppression
• Provides self-timed erase/write cycles with page write buffer functionality

Memory IC Applications

• Automotive electronic systems requiring AEC-Q100 qualification
• Industrial data logging applications needing non-volatile storage
• Consumer electronics utilizing low-voltage power supplies
• Embedded controllers storing configuration parameters

Memory IC Procurement Notes

Verify that the ordering suffix matches the required package type and temperature grade. Confirm the presence of the automotive qualification designation if the application demands AEC-Q100 compliance. Ensure the specific variant aligns with the intended voltage range and interface speed requirements before finalizing procurement orders.

Memory IC Selection Notes

Select this component when an I2C-compatible EEPROM with automotive reliability is required. The extended temperature range suits harsh environments. Consider the page write buffer size for efficient data throughput. Verify voltage compatibility with the system's power rails to ensure stable operation within the specified 2.5V to 5.5V range.

Memory IC Part Context

This part belongs to the 24LC32A series of 32-Kbit serial EEPROMs manufactured by Microchip Technology. It shares functional similarities with the 24AA32A but differs in minimum operating voltage. The series offers various package options including SOIC and TSSOP formats, catering to diverse PCB layout constraints while maintaining standard I2C protocol compatibility.

Memory IC Replacement Considerations

Direct substitutes include other 24LC32A variants with different package codes such as 24LC32AT-I/SN or 24LC32AT-E/MS. Cross-reference package dimensions and pinouts carefully. Verify that alternative parts meet the same AEC-Q100 qualification and extended temperature specifications.