MX25L6445EM2I-10G

Memory IC Overview

The MX25L6445EM2I-10G is a 64Mbit CMOS Serial Multi I/O (MXSMIO) Flash memory manufactured by Macronix. It features a 67,108,864 x 1 bit structure or 16,777,216 x 4 bits configuration. The device operates on a 2.7V to 3.6V power supply and supports SPI Mode 0 and Mode 3. It offers high-performance read modes including Normal Read at 50MHz, Fast Read at 104MHz with 8 dummy cycles, and Quad I/O Fast Read at 70MHz with 6 dummy cycles. Active read current is 19mA maximum at 104MHz. The memory organization includes 2048 equal sectors of 4K bytes each and 128 equal blocks of 64K bytes each.

Memory IC Feature Summary

• Supports multi-I/O operations including single, dual, and quad I/O modes for flexible data throughput.
• Includes advanced security features such as block group protection and individual block lock/unlock capabilities.
• Features an additional 4K-bit secured One-Time Programmable area for unique device identification.
• Provides auto erase and auto program algorithms that automatically verify data during operations.

Memory IC Applications

• Code storage in embedded systems requiring direct code execution capabilities.
• Data logging applications utilizing the secured OTP for unique identifiers.
• Industrial control systems needing hardware write protection against spurious signals.

Memory IC Procurement Notes

Verify the specific package variant, as the base model supports SOP-8, WSON, and SOP-16. Confirm the suffix indicates the correct tape and reel quantity if applicable. Ensure the voltage range matches the system requirements of 2.7V to 3.6V. Check for RoHS compliance status in the final datasheet revision. Validate the manufacturer ID and device ID via JEDEC commands if authentication is required.

Memory IC Selection Notes

Select this component when high-speed serial access is needed with minimal pin count. The quad I/O mode significantly increases read throughput compared to standard SPI. Consider the 100,000 cycle endurance for frequent write applications. The flexible block protection allows securing critical firmware sections. Ensure the PCB layout accommodates the selected package type, typically SOP-8 for space-constrained designs.

Memory IC Part Context

This part belongs to the MX25L6445E series, which is part of Macronix's MXSMIO family. It is designed for general-purpose non-volatile memory applications. The series emphasizes low power consumption and high reliability. It competes in the 64Mbit NOR flash market segment. The device integrates a status register for monitoring program and erase completion.

Memory IC Replacement Considerations

MX25L6435EM2I-10G

Memory IC FAQ

How does the WP#/SIO2 pin function?

It serves as a hardware write protection input in standard modes. In four I/O mode, it functions as SIO2 for serial data input/output.

What is the purpose of the ENSO command?

The Enter Secured OTP (ENSO) command allows access to the 4K-bit secured One-Time Programmable area for programming unique identifiers.

Can the device operate in Double Transfer Rate mode?

Yes, the device supports Fast Double Transfer Rate Read modes for 1, 2, and 4 I/O configurations, reaching up to 50MHz.