M25P40-VMW6TGB TR

Memory IC Overview

The M25P40-VMW6TGB TR is a 4 Mbit (512 K × 8) Serial Flash memory device manufactured by Micron Technology Inc. It features a SPI bus compatible serial interface with a maximum clock rate of 75 MHz. The device operates on a single supply voltage ranging from 2.3 V to 3.6 V. It supports page programming of up to 256 bytes in 0.8 ms, sector erase of 512 Kbit in 0.6 s, and bulk erase of 4 Mbit in 4.5 s. The component includes hardware write protection defined by three non-volatile bits and offers a deep power-down mode with typical current consumption of 1 µA.

Memory IC Feature Summary

• Supports high-speed SPI communication with clock rates up to 75 MHz
• Includes hardware write protection mechanisms via non-volatile block protect bits
• Features low power consumption with deep power-down mode capability
• Provides electronic signatures including JEDEC standard two-byte identification

Memory IC Applications

• Embedded memory storage for microcontrollers
• Firmware storage in consumer electronics
• Data logging applications requiring non-volatile retention

Memory IC Procurement Notes

Verify the specific ordering suffix VMW6TGB against official Micron documentation to confirm package type and tape/reel specifications. Confirm RoHS compliance status as required by your assembly process. Check for automotive grade availability if operating conditions exceed standard industrial limits. Ensure the source document matches the exact part number to avoid functional discrepancies.

Memory IC Selection Notes

Select this component when a 4 Mbit capacity is sufficient for the application requirements. Consider the SOIC-8 wide package indicated by the MW suffix for PCB layout constraints. Evaluate the 75 MHz speed requirement against the system bus capabilities. Verify that the 2.3 V to 3.6 V supply range aligns with the target platform's voltage rails.

Memory IC Part Context

This part belongs to the M25P series of low voltage serial flash memories. It is designed for embedded applications requiring reliable data storage with fast access times. The M25P40 variant specifically provides 4 Mbit density. The product line supports various package options to accommodate different form factors and thermal requirements.

Memory IC Replacement Considerations

Consult official Micron cross-reference documents for verified substitutes. Generic equivalents may differ in timing parameters or voltage ranges.