GD5F1GQ5UEWIGR

Memory IC Overview

The GD5F1GQ5UEWIGR is a 1 Gbit SLC NAND Flash memory device manufactured by GigaDevice. It utilizes an industry-standard SPI interface and operates within a supply voltage range of 2.7 V to 3.6 V. The component supports Standard, Dual, Quad, and DTR (Double Transfer Rate) SPI modes, with a maximum clock frequency of 133 MHz at 3.3 V. It features a page size of 2048 bytes plus 128 bytes of spare area when internal ECC is disabled, or 64 bytes when enabled. The device is housed in an 8-lead WSON package measuring 6 mm by 5 mm.

Memory IC Feature Summary

• Supports multiple SPI communication modes including Standard, Dual, Quad, and DTR for flexible data transfer rates.
• Includes user-selectable internal ECC functionality to ensure data integrity during read and write operations.
• Provides hardware and software write protection mechanisms, including block lock bits and power lock down protection.
• Features a compact low-pin-count design that maintains pinout compatibility across densities to simplify PCB layout.

Memory IC Applications

• Embedded systems requiring high-density non-volatile code storage
• Consumer electronics devices needing cost-effective flash solutions
• Industrial automation equipment requiring reliable data logging
• Edge computing applications utilizing firmware storage

Memory IC Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm package dimensions and temperature grade. Ensure the required voltage level matches the system design, as this part number corresponds to the 3.3V variant. Confirm availability through authorized distributors, as lead times may vary based on production schedules and regional stock levels.

Memory IC Selection Notes

Select this component when a high-density 1 Gbit storage solution is required with a minimal pin count. It serves as a suitable alternative to SPI NOR Flash for larger data volumes and offers lower cost per bit compared to parallel NAND interfaces. Consider the internal ECC feature if error correction is desired without external processing overhead.

Memory IC Part Context

This device belongs to the GD5F series of SPI NAND Flash memories from GigaDevice. The series is built on mature process nodes to provide stability and long-term supply. It is designed to replace standard parallel NAND in embedded designs while offering easier integration due to its serial interface and command set similarity to SPI NOR Flash.

Memory IC Replacement Considerations

GD5F1GQ5UEYIGR

Memory IC FAQ

What is the default state of the internal ECC feature?

The internal ECC feature is enabled by default (ECC_EN=1). Users can disable it via configuration registers if needed.

How does the Quad Enable (QE) bit affect the HOLD# pin function?

When the QE bit is set to 1, the HOLD# function is disabled, and the pin acts as a dedicated data I/O pin (SIO3).