BY25Q40BLUIG(R)

Memory IC Overview

The BY25Q40BLUIG(R) is a 4M-bit SPI NOR Flash memory manufactured by BYTe Semiconductor. It supports Standard, Dual, and Quad SPI interfaces with clock rates up to 85MHz for fast read operations. The device operates on a single low voltage supply ranging from 1.65V to 2.0V. It features flexible erase architectures including 4KB sectors and 32/64KB blocks. Key electrical characteristics include a maximum active current of 3mA and a power-down current of 0.6uA. The component offers 100k program-erase cycle endurance and 20-year data retention.

Memory IC Feature Summary

• Supports Standard, Dual, and Quad SPI modes for flexible data transfer rates
• Includes software and hardware write protection mechanisms with security registers
• Features a flexible erase architecture with 4KB sectors and 32/64KB blocks
• Operates on a single low voltage supply ranging from 1.65V to 2.0V

Memory IC Applications

• Code shadowing from flash to embedded or external RAM for execution
• High-volume consumer-based applications requiring program code storage
• Data storage applications utilizing the flexible erase architecture

Memory IC Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and temperature range. Ensure the input power supply strictly adheres to the 1.65V to 2.0V operating range specified in the datasheet. Confirm compatibility with the required SPI mode (Standard, Dual, or Quad) for the target system design.

Memory IC Selection Notes

Select this component for applications requiring low voltage operation between 1.65V and 2.0V. It is suitable for systems needing flexible memory protection via hardware pins or software commands. Consider the 85MHz fast read capability for performance requirements. Verify that the SOP8 or USON8 package options meet the PCB layout constraints.

Memory IC Part Context

This part belongs to the BY25Q40 series of SPI NOR Flash memories from BYTe Semiconductor. It is designed for high-volume consumer electronics where efficient code execution and data storage are critical. The series emphasizes low power consumption and robust write protection features for reliable operation in various environmental conditions.

Memory IC Replacement Considerations

Check for compatible parts within the BY25Q40 family or other 4M-bit SPI NOR Flash devices from different manufacturers. Ensure voltage levels, pin configurations, and command sets are compatible before substitution.

Memory IC FAQ

What is the operating voltage range for the BY25Q40BL?

The device operates on a single low voltage supply ranging from 1.65V to 2.0V.

Does the BY25Q40BL support Quad SPI mode?

Yes, it supports Standard, Dual, and Quad SPI modes, allowing data transfer at up to four times the rate of standard SPI when the Quad Enable bit is set.