GD25VQ40CSIG

Memory IC Overview

The GD25VQ40CSIG is a 4 Mbit SPI NOR Flash memory device manufactured by GigaDevice. It features a 512K x 8 organization and supports Single, Dual, and Quad I/O SPI interfaces with a maximum clock frequency of 104 MHz. The component operates within a voltage range of 2.3 V to 3.6 V and draws a maximum active read current of 20 mA. It is housed in an SOP-8 package and is rated for industrial temperatures ranging from -40°C to +85°C.

Memory IC Feature Summary

• Supports Single, Dual, and Quad I/O SPI communication protocols for flexible data transfer modes.
• Provides uniform sector architecture suitable for code storage applications.
• Operates reliably across the full industrial temperature range.

Memory IC Applications

• Industrial control systems
• Consumer electronics firmware storage
• IoT device code execution

Memory IC Procurement Notes

Verify the specific suffix 'IG' against official datasheets to confirm package dimensions and tape-and-reel specifications. Confirm RoHS compliance status directly with the manufacturer or authorized distributors. Check for any end-of-life notifications or recommended new design (NRND) statuses before finalizing procurement plans.

Memory IC Selection Notes

Select this component when a 4 Mbit capacity is required with support for high-speed Quad I/O operations. Ensure the system power supply remains stable between 2.3 V and 3.6 V. Verify that the SOP-8 package fits the PCB layout constraints and that the operating environment stays within the specified industrial temperature limits.

Memory IC Part Context

This part belongs to the GD25VQ series of SPI NOR Flash memories from GigaDevice. The series is designed for general-purpose non-volatile storage, offering a balance of performance and density. It complements other densities in the family, such as 16 Mbit and 64 Mbit variants, providing scalable solutions for embedded applications.

Memory IC Replacement Considerations

Check for direct pin-compatible substitutes within the same GD25VQ series, such as GD25VQ16CSIG or GD25VQ64CSIG, if capacity adjustments are acceptable. Verify electrical characteristics and timing parameters against the original specification sheet before substitution.