BY25Q32CSSIG(R)

Memory IC Overview

The BY25Q32CSSIG(R) is a 32M-bit Serial Peripheral Interface (SPI) NOR Flash memory manufactured by BYTe Semiconductor. It supports Standard, Dual, and Quad SPI protocols as well as the Quad Peripheral Interface (QPI). The device operates on a single low-voltage power supply ranging from 2.7V to 3.6V. Key performance metrics include a maximum active current of 20mA and a power-down current of 5uA. It features flexible architecture with 4K-byte sectors and 32/64K-byte blocks, ensuring typical endurance of 100k program-erase cycles and 20-year data retention.

Memory IC Feature Summary

• Supports standard, dual, quad SPI, and QPI modes for versatile interface compatibility.
• Includes hardware and software write protection mechanisms with security registers.
• Features flexible memory architecture with uniform sector and block erasing capabilities.
• Provides low power consumption with active and deep power-down modes.

Memory IC Applications

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

Memory IC Procurement Notes

Verify the specific package variant required, as the 'S' suffix indicates SOP packaging while other variants exist. Confirm temperature range specifications against application needs, as industrial grades cover -40°C to +85°C or +105°C. Ensure design-in compliance with RoHS standards. Check for obsolescence notices or lifecycle status updates directly from the manufacturer before finalizing procurement plans.

Memory IC Selection Notes

Select this component when a 32M-bit capacity is required with high-speed Quad I/O or QPI interface support. Consider the operating voltage range of 2.7V to 3.6V for system power rail compatibility. Evaluate the need for hardware write protection via the /WP pin if security is critical. Choose based on the required package type, such as SOP-8, WSON, or USON, depending on PCB space constraints.

Memory IC Part Context

This part belongs to the BY25Q32CS series of SPI NOR Flash memories from BYTe Semiconductor. It is designed for applications demanding high reliability and flexibility in data storage. The series supports various package options including SOP-8, WSON, and USON to accommodate different form factors. It is suitable for environments requiring robust data protection and long-term retention characteristics.

Memory IC Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Verify compatibility with existing designs by checking pinout, voltage levels, and command set adherence before considering alternative components.

Memory IC FAQ

What is the maximum clock frequency for Fast Read operations?

The device supports a Fast Read (Serial) operation with a clock rate of up to 108MHz with a 30pF load.

How does the device handle write protection?

It offers both software protection via Block Protect bits and hardware protection via the /WP pin, along with three 256-byte Security Registers with OTP locks.

What is the typical data retention period?

The device typically retains data for 20 years under specified conditions.