GD25WD40ETIGR

Memory IC Overview

The GD25WD40ETIGR is a 4M-bit Serial Flash memory device from GigaDevice, featuring uniform sector architecture with 4K-byte sectors and 32/64K-byte blocks. It supports Standard SPI and Dual Output interfaces, enabling data transfer rates up to 160 Mbits/s. The device operates on a single power supply ranging from 1.65V to 3.6V. Key specifications include a typical standby current of 0.1μA, minimum 100,000 program/erase cycles endurance, and 20-year data retention. It includes hardware and software write protection, 128-bit unique ID, and 512-byte security registers with OTP locks.

Memory IC Feature Summary

• Supports Standard SPI and Dual Output modes for flexible interface compatibility
• Features uniform sector architecture allowing consistent erase operations
• Includes advanced security features such as 128-bit unique ID and programmable security registers
• Provides both software and hardware write protection mechanisms via status register bits and WP# pin

Memory IC Applications

• Embedded systems requiring non-volatile code storage
• Consumer electronics needing compact flash memory solutions
• Industrial control systems utilizing secure data logging
• IoT devices requiring low-power operation and small package options

Memory IC Procurement Notes

Verify the specific package variant (SOP8, USON8 1.5x1.5mm, USON8 3x2mm, or USON6) matches your PCB footprint requirements. Confirm the voltage range compatibility with your system's power supply rails. Ensure that the ordering suffix corresponds to the desired tape and reel configuration if automated assembly is planned. Cross-reference the manufacturer's latest datasheet for any updates to electrical characteristics or pin definitions before finalizing procurement.

Memory IC Selection Notes

Select this component when a 4M-bit capacity with uniform sector organization is required. Choose the GD25WD40ETIGR over the GD25WD20E if higher density is needed. Consider the Dual Output capability for applications demanding faster read speeds without increasing clock frequency. Evaluate package constraints to determine between SOP8 and various USON sizes based on board space limitations. Verify that the operating voltage range aligns with the target application's power budget.

Memory IC Part Context

The GD25WD40ETIGR belongs to the GD25WD40E/20E family of serial flash memories. This series is designed for general-purpose storage in embedded applications. The 'TIGR' suffix typically indicates a specific packaging and taping configuration, often related to surface-mount technology suitability for high-volume manufacturing. It shares core functionalities with other members of the GD25W series but offers distinct capacity and package options.

Memory IC Replacement Considerations

Direct substitutes within the same family include the GD25WD20E for lower capacity needs. For equivalent performance and interface, check for updated revisions of the GD25WD40E series. Ensure replacement parts maintain the same voltage range and package dimensions. Verify command set compatibility if migrating between different manufacturers' similar serial flash devices.