BY25Q32CSTIG(R)

Memory IC Overview

The BY25Q32CSTIG(R) is a 32M-bit SPI NOR Flash memory manufactured by BYTe Semiconductor. It supports Standard, Dual, and Quad SPI interfaces, as well as QPI mode. The device operates on a single 2.7V to 3.6V supply voltage. Key performance metrics include a normal read clock rate of 55MHz and a fast read clock rate of 108MHz with a 30pF load. Data transfer speeds reach up to 216Mbits/s for Dual I/O and 432Mbits/s for Quad I/O. The architecture features uniform 4KB sectors and 32/64KB blocks. Typical program-erase endurance is 100k cycles, with data retention specified at 20 years.

Memory IC Feature Summary

• Supports multiple interface modes including Standard SPI, Dual SPI, Quad SPI, and QPI for flexible system integration.
• Includes hardware and software write protection mechanisms with three 256-byte security registers featuring OTP locks.
• Features low power consumption with active current of 20mA maximum and standby current of 5uA maximum.
• Provides flexible erase and program operations with suspend and resume capabilities for efficient data management.

Memory IC Applications

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

Memory IC Procurement Notes

Verify the specific package variant (SOP-8, WSON, or USON) required for your design, as the datasheet lists multiple options. Confirm the temperature grade (Commercial or Industrial) matches your operational environment. Ensure the ordering suffix corresponds to the correct packing quantity and pin configuration defined in the manufacturer's order information section.

Memory IC Selection Notes

Select this component when a 32M-bit capacity is needed with high-speed Quad I/O access. Consider the operating voltage range of 2.7V to 3.6V for compatibility with your power rails. Evaluate the need for QPI mode if instruction overhead reduction is critical for your XIP application. Check if the available packages fit your PCB layout constraints.

Memory IC Part Context

This part belongs to the BY25Q32CS series of Serial Peripheral Interface Flash memories from BYTe Semiconductor. The series is designed for general-purpose storage applications requiring uniform sector architecture. It competes in the market for mid-density NOR flash devices used in firmware storage and data logging.

Memory IC Replacement Considerations

Check pinout compatibility with existing designs using similar 32M-bit SPI NOR flashes. Verify that the replacement device supports the same voltage levels and interface commands. Ensure the new component meets the required temperature range and endurance specifications for your application.