AT25QF641B-SHB-B

Memory IC Overview

The AT25QF641B-SHB-B is a 64 Mbit NOR flash memory device manufactured by Renesas Electronics Corporation. It operates within a supply voltage range of 2.7 V to 3.6 V and supports Single, Dual, and Quad SPI interfaces with clock frequencies up to 104 MHz. The component is housed in an 8-SOIC package and is rated for an operating temperature range of -40°C to +85°C.

Memory IC Feature Summary

• Supports Single, Dual, and Quad I/O Serial Peripheral Interface (SPI) operations
• Provides non-volatile data storage with high-speed read capabilities
• Compatible with standard SPI command sets for easy integration

Memory IC Applications

• Embedded code and data storage solutions
• Industrial control systems requiring reliable non-volatile memory
• Consumer electronics utilizing microcontroller-based architectures

Memory IC Procurement Notes

Verify the specific suffix 'B' against official Renesas documentation to confirm pinout and electrical characteristics match project requirements. Ensure compatibility with existing PCB footprints and signal integrity standards before finalizing procurement decisions.

Memory IC Selection Notes

Select this component when a 64 Mbit capacity is required with support for Quad SPI modes to maximize throughput. Consider the 8-SOIC package constraints and the specified voltage range during system power design to ensure stable operation across the full industrial temperature spectrum.

Memory IC Part Context

This part belongs to the AT25QF641B series of NOR flash memories designed for general-purpose storage applications. It offers a balance of density and speed suitable for modern embedded systems, providing a robust solution for storing firmware and configuration data in compact form factors.

Memory IC Replacement Considerations

Consult official substitution guides for compatible parts such as the AT25SF641B series, ensuring interface and voltage specifications align with current design parameters.