GD5F1GQ5REWIGR

Memory IC Overview

The GD5F1GQ5REWIGR is a 1 Gbit SPI NAND Flash memory component manufactured by GigaDevice. It features an organization of 256 M x 8 and utilizes a WSON-8 package for surface mount installation. The device operates on a single power supply with a voltage range of 1.7 V to 2.0 V. It supports standard, dual, quad, and DTR SPI interfaces, achieving a maximum clock frequency of 104 MHz at 1.8 V. Key electrical parameters include a maximum active current of 40 mA and a typical page program time of 400 us.

Memory IC Feature Summary

• Supports Standard, Dual, Quad, and DTR SPI modes for flexible data transfer rates
• Includes internal ECC functionality with user-selectable enablement
• Features hardware write protection via the WP# pin and software-based block protection
• Provides an 8 KByte OTP region for secure data storage

Memory IC Applications

• Embedded systems requiring high-density non-volatile code storage
• Consumer electronics devices needing cost-effective flash solutions
• Industrial control applications utilizing embedded memory
• IoT devices requiring reliable boot code retention

Memory IC Procurement Notes

Verify the specific ordering suffix against the manufacturer's valid part number list to ensure correct package dimensions and temperature ratings. Confirm that the required voltage range aligns with the 1.7V to 2.0V specification for this variant. Check for any recent datasheet revisions that may impact command set compatibility or timing characteristics before finalizing procurement.

Memory IC Selection Notes

Select this component when a low-pin-count solution is required for high-density storage without the complexity of parallel interfaces. Ensure the host system supports the necessary SPI modes, particularly if utilizing Quad or DTR operations which require the Quad Enable bit configuration. Verify that the operating temperature range meets the environmental requirements of the target application.

Memory IC Part Context

This part belongs to the GD5F1GQ5xExxG series of SPI NAND Flash memories from GigaDevice. The series is designed as an alternative to SPI NOR and parallel NAND, offering superior write performance and lower cost per bit. It shares common command sets with SPI NOR but includes NAND-specific functions like internal data move and copy-back operations.

Memory IC Replacement Considerations

GD5F1GQ5REYIGR

Memory IC FAQ

How does the internal ECC affect the spare area size?

When internal ECC is enabled, the spare area is reduced to 64 bytes, whereas disabling ECC restores the full 128-byte spare area availability.

What is the function of the HOLD# pin in Quad mode?

The HOLD# function is disabled when the Quad Enable (QE) bit is set to 1; in this state, the pin acts as a dedicated data I/O pin (SIO3).