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GD5F4GM8REWIGY

GD5F4GM8REWIGY

GigaDevice Semiconductor (HK) Limited
FLASH - NAND (SLC) Memory IC 4Gbit SPI - Quad I/O, DTR 104 MHz 9 ns 8-WSON (5x6)
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Overview

The GD5F4GM8REWIGY is a 4Gbit SLC NAND Flash memory IC designed for high-density storage in space-constrained embedded systems. Operating on a 1.8V supply (1.7V to 2V range), it utilizes a high-speed SPI interface with Quad I/O and DTR support reaching clock frequencies up to 104 MHz.

Why Choose This Part

This SLC NAND flash offers significantly higher reliability and endurance compared to MLC or TLC alternatives, featuring a typical 80K program/erase cycle rating. The integrated internal ECC simplifies the host controller requirements, while the 104 MHz Quad SPI interface with DTR allows for high-throughput data transfers without the high pin-count of parallel NAND.

Applications

Embedded OS Storage
Ideal for storing Linux kernels, RTOS images, and large file systems in industrial or networking equipment.
Industrial Data Logging
High-reliability SLC NAND provides the endurance necessary for continuous logging in harsh environments with 80K typical P/E cycles.
IoT Gateways
Serves as a compact, low-power boot and storage solution for edge devices requiring 4Gbit capacity in a small 5x6mm WSON8 footprint.

Key Specifications

Technology FLASH - NAND (SLC)
Access Time 9 ns
Memory Size 4Gbit
Memory Type Non-Volatile
Memory Format FLASH
Mounting Type Surface Mount
Package / Case 8-WDFN Exposed Pad
Clock Frequency 104 MHz
Memory Interface SPI - Quad I/O, DTR
Voltage - Supply 1.7V ~ 2V
Memory Organization 1G x 4
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 8-WSON (5x6)
Write Cycle Time - Word, Page 600us

Getting Started

To interface with this part, ensure your SPI controller supports Mode 0 or Mode 3 and can handle 1.8V logic levels. Developers should implement bad block management and wear leveling in their software driver or use a NAND-aware file system like LittleFS or UBIFS. Review the 2Kbyte cache functionality for optimizing random read performance during boot sequences.

Also Consider

W25N04KWZEIR Winbond Electronics - An alternative 4Gbit Serial NAND solution with a similar SPI interface and voltage range for high-density storage.
MT29F4G01ABAFDWB-IT:F Micron Technology Inc. - A high-performance 4Gb SPI NAND option with automotive-grade reliability options and extensive ecosystem support.

Categories

Memory & Storage > NAND Flash