M29F400BB70M6T TR

Memory IC Overview

The M29F400BB70M6T is a 4-Mbit NOR Flash memory component manufactured by Micron Technology. It features an asynchronous parallel interface with a 55 ns access time and operates on a single 5V power supply ranging from 4.5V to 5.5V. The device offers flexible data bus widths of 8-bit or 16-bit, organized as 512k x 8 or 256k x 16. It is housed in a TSOP-48 surface-mount package and supports commercial temperature ranges from -40°C to +85°C.

Memory IC Feature Summary

• Supports simultaneous read operations on multiple banks for improved system performance
• Includes hardware-based write protection mechanisms for critical code sectors
• Features fast sector erase capabilities to reduce programming latency

Memory IC Applications

• Code storage in embedded microcontroller systems
• BIOS firmware storage in industrial control units
• Application program storage in consumer electronics devices

Memory IC Procurement Notes

Verify the specific suffix configuration against official Micron documentation to ensure compatibility with required voltage levels and timing specifications. Confirm that the TSOP-48 package dimensions align with your PCB footprint requirements. Check for moisture sensitivity level ratings if reflow soldering processes are utilized in manufacturing.

Memory IC Selection Notes

Select this component when a reliable 4-Mbit non-volatile storage solution with parallel interface is required. Ensure the design accommodates the 5V operating voltage and 20 mA active read current. Verify that the asynchronous timing meets the processor's bus cycle requirements for stable data retrieval.

Memory IC Part Context

This part belongs to the M29F series of NOR Flash memories, designed for high-reliability code execution applications. The series is characterized by its robust architecture supporting multiple erase sectors and long-term data retention capabilities suitable for industrial and commercial environments.

Memory IC Replacement Considerations

Cross-reference with other M29F400 variants from Micron or equivalent 4-Mbit NOR Flash parts from STMicroelectronics and Macronix. Ensure pinout compatibility and electrical parameter alignment before substitution.