LE24L042CS-B-TFM-H

Memory IC Overview

The LE24L042CS-B-TFM-H is a 4Kbit (512 x 8) serial EEPROM featuring an I2C-compatible two-wire interface. It operates at supply voltages of 1.8V, 2.5V, or 3.3V and supports clock frequencies up to 400 kHz. The device utilizes a 4-pin Wafer Level Chip Scale Package (WLCSP) with dimensions of 0.79mm x 1.06mm. Key electrical characteristics include a write cycle time of 900 ns and endurable data retention.

Memory IC Feature Summary

• Supports high-speed 400 kHz I2C communication protocol
• Operates across multiple low-voltage levels for flexible system integration
• Compact footprint suitable for space-constrained mobile designs

Memory IC Applications

• Mobile phone accessory identification
• Smart card memory storage
• Consumer electronics configuration data

Memory IC Procurement Notes

Verify the specific suffix 'CS-B-TFM-H' against the official onsemi datasheet to confirm package type and tape-and-reel specifications. Ensure compatibility with the target system's voltage domain (1.8V/2.5V/3.3V). Confirm RoHS compliance status as indicated in the manufacturer's documentation before finalizing procurement orders.

Memory IC Selection Notes

Select this component when a small form factor is required alongside standard I2C connectivity. It is suitable for applications needing non-volatile storage for small datasets such as calibration data or user settings. Consider the WLCSP package constraints regarding PCB assembly capabilities and thermal management requirements during the design phase.

Memory IC Part Context

This part belongs to the LE24L042 series of serial EEPROMs from onsemi. It is designed for general-purpose data storage in portable devices. The series typically offers robust data retention and endurance characteristics suitable for frequent read operations with occasional writes.

Memory IC Replacement Considerations

Check for pin-compatible alternatives within the same family that may offer different voltage ranges or package options. Verify if newer revisions of the LE24L042 series provide updated packaging or enhanced performance metrics while maintaining functional equivalence.