BY25Q32BSSIG(T)

Memory IC Overview

The BY25Q32BSSIG(T) is a 32M-bit SPI NOR Flash memory by BYTe Semiconductor. It supports Standard, Dual, and Quad SPI interfaces with data transfer speeds up to 432 Mbits/s in Quad mode. The device operates on a single 2.7V to 3.6V supply. Key electrical parameters include a maximum active current of 20mA and a power-down current of 5uA. It features flexible architecture with 4KB sectors and 32/64KB blocks, offering typical endurance of 100k program-erase cycles and 20-year data retention.

Memory IC Feature Summary

• Supports Standard, Dual, and Quad SPI protocols for versatile interface compatibility.
• Includes hardware and software write protection mechanisms with selectable top/bottom sector locking.
• Features three 256-byte security registers with One-Time Programmable (OTP) lock capabilities.
• Provides continuous read operations with wrap modes for efficient code execution.

Memory IC Applications

• Firmware storage for microcontrollers and embedded systems
• BIOS and boot code storage
• Data logging applications requiring non-volatile retention

Memory IC Procurement Notes

Verify the specific suffix 'SIG' against the manufacturer's official ordering guide to confirm package type and temperature range. Ensure the component matches the required industrial or commercial grade specifications defined in the datasheet before procurement. Cross-reference the JEDEC ID to confirm authenticity.

Memory IC Selection Notes

Select this component when a 32M-bit capacity is required with high-speed Quad SPI support. Consider the 2.7V-3.6V voltage range for system compatibility. Evaluate the need for hardware write protection via the /WP pin if security is critical. Confirm that the SOP-8 package fits the PCB layout constraints.

Memory IC Part Context

This part belongs to the BY25Q32BS family of Serial Peripheral Interface NOR Flash memories. It is designed as a drop-in replacement for similar 32M-bit devices from other manufacturers, offering comparable pinouts and command sets while providing specific performance characteristics like fast read speeds and low power consumption.

Memory IC Replacement Considerations

Publicly confirmed substitute part numbers are not explicitly listed in the provided source material for this specific model.