BY25Q80AWYIG(R)

Memory IC Overview

The BY25Q80AW is an 8M-bit SPI NOR Flash memory by BYTe Semiconductor. It supports Standard, Dual, and Quad SPI interfaces with clock rates up to 100MHz for fast reads. The device operates on a single supply voltage of 1.65V to 3.6V. It features flexible erase architectures including 4KB sectors and 32/64KB blocks. Available in commercial (0°C to +70°C) and industrial (-40°C to +85°C) temperature ranges, it includes hardware/software write protection and low power consumption modes.

Memory IC Feature Summary

• Supports Standard, Dual, and Quad SPI communication protocols with software reset capability.
• Features flexible erase architecture with 4KB sector and 32/64KB block granularity for efficient code shadowing and data storage.
• Incorporates comprehensive security mechanisms including three 512-byte security registers with OTP lock and multiple hardware/software write protection methods.

Memory IC Applications

• Code execution from flash memory shadowed into embedded or external RAM.
• Data storage applications requiring flexible erase block sizes.
• Consumer electronics operating within specified voltage and temperature ranges.

Memory IC Procurement Notes

Verify the specific package variant required, as the datasheet lists SOP, TSSOP, and USON options. Confirm the temperature grade matches the application environment. Check current availability status directly with the manufacturer or authorized distributors, as production status may vary.

Memory IC Selection Notes

Select this component for designs requiring 8M-bit non-volatile storage with high-speed serial interface capabilities. Ensure the system voltage falls within the 1.65V to 3.6V range. Consider the available package types such as USON-8 or SOP-8 based on PCB space constraints and thermal requirements.

Memory IC Part Context

This part belongs to the BY25Q80 series of SPI NOR Flash memories manufactured by BYTe Semiconductor. It is designed for high-volume consumer applications where program code is executed from RAM after being loaded from flash. The device emphasizes efficiency through optimized erase block sizes to minimize wasted memory space.

Memory IC Replacement Considerations

Check for pin-compatible alternatives within the same density class if supply issues arise. Verify that any substitute supports the required Quad SPI mode and voltage range. Cross-reference electrical characteristics and timing parameters to ensure functional equivalence in the target circuit.