BY25Q32CSSIG(T)

Memory IC Overview

The BY25Q32CSSIG(T) is a 32M-bit SPI NOR Flash memory manufactured by BYTe Semiconductor. It supports Standard, Dual, Quad SPI, and QPI interfaces with data transfer speeds up to 432 Mbits/s. The device operates on a single 2.7V to 3.6V supply voltage and features an 8-pin SOP package. It includes flexible architecture with 4KB sectors and 32/64KB blocks, along with hardware and software write protection mechanisms.

Memory IC Feature Summary

• Supports multiple interface modes including Standard, Dual, Quad SPI, and QPI for high-speed data access.
• Features comprehensive write protection capabilities via hardware /WP pin control and software block protect bits.
• Includes three 256-byte security registers with One-Time Programmable (OTP) lock functionality.

Memory IC Applications

• Embedded systems requiring non-volatile code storage
• Industrial control applications needing reliable data retention
• Consumer electronics utilizing compact serial flash memory

Memory IC Procurement Notes

Verify the specific suffix 'SIG' against official ordering information to confirm the exact package type and tape/reel specifications. Ensure the industrial temperature range requirements align with the datasheet's -40°C to +85°C or +105°C options before finalizing procurement.

Memory IC Selection Notes

Select this component when a 32M-bit capacity is required with support for Quad SPI and QPI modes. Consider the 8-pin SOP package constraint and verify that the 2.7V-3.6V operating voltage range matches the system power supply design.

Memory IC Part Context

This part belongs to the BY25Q32CS family of 32M-bit SPI NOR Flash memories from BYTe Semiconductor. The family offers various package options including SOP, WSON, and USON, catering to different PCB space and thermal management requirements in embedded designs.

Memory IC Replacement Considerations

Check for compatible parts within the same density class that support Quad SPI and QPI. Verify pin compatibility and voltage ranges to ensure seamless integration without circuit redesign.

Memory IC FAQ

What is the maximum data transfer speed supported?

The device supports Quad I/O data transfer at speeds up to 432 Mbits/s.

How is the status register protected?

Protection is managed via SRP bits allowing software, hardware (/WP), power-down lock-down, or one-time programmable protection modes.