SST39VF400A-70-4C-MAQE-T

Memory IC Overview

The SST39VF400A-70-4C-MAQE-T is a 4 Mbit (512K x 16) Multi-Purpose Flash memory manufactured using SuperFlash technology. It operates on a single voltage supply of 2.7V to 3.6V and features a parallel asynchronous interface with a typical access time of 70 ns. The device supports sector, block, and chip erase operations, along with word programming. It includes hardware and software data protection schemes and is housed in a 48-ball WFBGA package.

Memory IC Feature Summary

• SuperFlash Technology for enhanced reliability and manufacturability
• Sector, Block, and Chip Erase capabilities with uniform sizes
• Hardware and Software Data Protection against inadvertent writes
• Toggle Bit and Data# Polling for end-of-write detection

Memory IC Applications

• Embedded systems requiring economical updating of program or configuration memory
• Applications needing convenient and reliable non-volatile storage
• Systems utilizing standard microprocessor write sequences for command initiation

Memory IC Procurement Notes

Verify the specific suffix 'MAQE' corresponds to the 48-ball WFBGA package and commercial temperature range as per official Microchip documentation. Confirm RoHS compliance status for lead-free devices. Ensure the ordering information matches the exact part number to avoid discrepancies in package type or electrical characteristics.

Memory IC Selection Notes

Select this component for applications requiring a 4 Mbit capacity with a 16-bit parallel interface. It is suitable for designs operating within the 2.7V to 3.6V voltage range. Consider the 70 ns access time and WFBGA package dimensions for board layout. Verify compatibility with existing system command sets and protection requirements.

Memory IC Part Context

This part belongs to the SST39VF series of Multi-Purpose Flash memories from Microchip Technology. It utilizes split-gate cell design and thick oxide tunneling injector for improved performance. The series offers various capacities and packages, conforming to JEDEC standard pinouts for x16 memories.

Memory IC Replacement Considerations

SST39VF400A-70-4I-EKE-T

Memory IC FAQ

How does the device detect the completion of a Program or Erase operation?

The device uses Toggle Bit (DQ6) and Data# Polling (DQ7) methods to indicate the end of internal Program or Erase cycles.

What is the typical Word-Program time for this flash memory?

The typical Word-Program time is 14 µs.