BY25Q32ESSIG(R)

Memory IC Overview

The BY25Q32ESSIG(R) is a 32M-bit SPI NOR Flash memory by BYTe Semiconductor. It supports Standard, Dual, and Quad SPI interfaces with clock rates up to 120MHz. The device operates on a single 2.7V to 3.6V supply. Key electrical parameters include a maximum active current of 10mA and standby current of 2uA. Page program time is typically 0.45ms, sector erase 35ms, block erase 0.18s, and chip erase 11s. It features 100k cycle endurance and 20-year data retention.

Memory IC Feature Summary

• Supports Standard, Dual, and Quad SPI modes for flexible data transfer speeds.
• Includes hardware and software write protection mechanisms with security registers.
• Features Execute In Place (XIP) operation with continuous read capabilities.
• Provides flexible architecture with uniform sectors and blocks for efficient erasing.

Memory IC Applications

• Firmware storage in embedded systems
• Code execution from flash memory
• Data logging applications
• Consumer electronics firmware

Memory IC Procurement Notes

Verify the specific suffix 'R' indicates tape and reel packaging when ordering. Confirm the package type matches the SOP-8 specification required for your PCB layout. Ensure voltage levels align with the 2.7V to 3.6V operating range. Check for RoHS compliance status if required by your manufacturing standards. Validate the manufacturer ID using JEDEC commands before integration.

Memory IC Selection Notes

Select this component for designs requiring high-density code storage with fast read speeds. The Quad SPI support allows for higher throughput compared to standard SPI devices. Consider the power consumption characteristics for battery-operated applications. Ensure the host controller supports the necessary SPI modes and instruction sets. Verify thermal requirements for the intended operating temperature range.

Memory IC Part Context

This part belongs to the BY25Q32ES family of serial flash memories. It is designed as a drop-in replacement for similar 32Mbit devices from other manufacturers. The product line focuses on cost-effective solutions for consumer and industrial markets. It shares architectural similarities with other BYTe flash products but offers specific performance optimizations.

Memory IC Replacement Considerations

Check pin compatibility with existing GD25Q32 or W25Q32 footprints. Verify command set alignment for seamless software migration. Review timing parameters to ensure host controller compatibility. Assess power consumption differences if battery life is critical. Confirm package dimensions match the current PCB design constraints.

Memory IC FAQ

What is the maximum clock frequency for Fast Read operations?

The device supports a Fast Read (Serial) clock rate of up to 120MHz with a 30pF load.

How does the /WP pin function in Quad mode?

In Quad mode, the /WP pin functions as IO2 for bidirectional data input and output, replacing its write protect function.

Can the device be reset via hardware?

Yes, if configured via Status Register-3, the /HOLD pin can act as a hardware /RESET pin to interrupt ongoing operations.