BY25Q32BSSIG(R)

Memory IC Overview

The BY25Q32BSSIG(R) is a 32M-bit Serial Peripheral Interface (SPI) NOR Flash memory manufactured by BYTe Semiconductor. It supports Standard, Dual, and Quad SPI modes with data transfer speeds up to 432 Mbits/s in Quad I/O mode. The device operates on a single low voltage power supply ranging from 2.7V to 3.6V. Key features include flexible architecture with 4KB sectors and 32/64KB blocks, software/hardware write protection, and three 256-byte security registers. It offers typical endurance of 100k program-erase cycles and 20-year data retention.

Memory IC Feature Summary

• Supports Standard, Dual, and Quad SPI interfaces for high-speed data transfer
• Flexible memory architecture with uniform 4KB sectors and 32/64KB blocks
• Comprehensive write protection via hardware pins and software commands
• Includes three 256-byte security registers with One-Time Programmable locks

Memory IC Applications

• Embedded systems requiring non-volatile code storage
• Consumer electronics firmware storage
• Industrial control system configuration data storage
• IoT devices needing reliable boot code storage

Memory IC Procurement Notes

Verify the specific package variant (SOP-8 or WSON) required for your design, as the datasheet lists multiple options. Confirm the temperature grade (Commercial or Industrial) matches your application environment. Ensure the ordering suffix aligns with the desired packing quantity and pin configuration. Cross-reference the manufacturer ID and device ID during initial integration testing to confirm authenticity.

Memory IC Selection Notes

Select this component when a 32M-bit capacity is needed with high-speed Quad SPI interface requirements. It is suitable for applications demanding robust write protection mechanisms and secure data storage capabilities. Consider the operating voltage range of 2.7V to 3.6V to ensure compatibility with the host system's power supply. Evaluate the thermal performance if operating in industrial temperature ranges.

Memory IC Part Context

This part belongs to the BY25Q32BS series of SPI NOR Flash memories from BYTe Semiconductor. The series is designed for general-purpose storage applications requiring high reliability and flexibility. The 'B' in the model number typically denotes specific electrical characteristics or revisions within the product line. The 'SIG(R)' suffix indicates the packaging type and reel configuration for surface mount assembly.

Memory IC Replacement Considerations

Check for direct pin-to-pin compatible alternatives from other manufacturers that support similar Quad SPI speeds and voltage ranges. Verify that any substitute part offers equivalent write protection features and security register configurations. Ensure the replacement part meets the same temperature and endurance specifications.