GD25Q40ETEGR

Memory IC Overview

The GD25Q40ETEGR is a 4M-bit (512K x 8) Serial NOR Flash memory manufactured by GigaDevice. It supports Standard, Dual, and Quad SPI interfaces with a maximum clock frequency of 133 MHz for fast read operations. The device operates on a single power supply voltage ranging from 2.7V to 3.6V. It features uniform sector architecture with 4KB sectors and 32/64KB blocks. Key electrical characteristics include a typical standby current of 11μA and deep power-down current of 1μA. The component offers high endurance with a minimum of 100,000 program/erase cycles and 20-year data retention.

Memory IC Feature Summary

• Supports standard, dual, and quad SPI modes for flexible data transfer rates up to 532 Mbits/s in Quad I/O mode.
• Includes advanced security features such as 128-bit Unique ID, two 1024-byte Security Registers with OTP locks, and software/hardware write protection.
• Enables Execute In Place (XiP) operation with continuous read capabilities to reduce instruction fetch time and data latency.
• Provides flexible block protection schemes allowing top/bottom or full chip protection via software commands or hardware pins.

Memory IC Applications

• Embedded systems requiring non-volatile code storage
• IoT devices needing low-power flash memory
• Industrial control applications demanding high reliability

Memory IC Procurement Notes

Verify the specific suffix 'E' indicates automotive grade qualification if required for your design. Confirm the package type matches your PCB footprint requirements. Check for RoHS compliance status in the latest datasheet revision. Ensure the ordering quantity aligns with manufacturer reel specifications.

Memory IC Selection Notes

Select this part when high-speed Quad SPI access is needed for code execution. Consider the 133MHz clock limit for system timing constraints. Evaluate the 2.7V-3.6V supply range against your system's power rails. Review the security register lock bits if permanent protection is necessary.

Memory IC Part Context

This component belongs to the GD25Q40E series of Serial NOR Flash memories. It shares architectural similarities with other GD25Q variants but is distinguished by its specific speed grade and potential automotive qualification indicated by the suffix. It serves as a direct replacement for older generation 4M-bit SPI flashes in modern designs.

Memory IC Replacement Considerations

GD25Q40ETEGR is listed as a parameter equivalent substitute for GD25Q40ETAGR.