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GD25LQ16E 16Mbit SPI NOR Flash

GD25LQ16E 16Mbit SPI NOR Flash

MPN: GD25LQ16ENIGR
GigaDevice
NOR Flash
Active383 in stock

Overview

GD25LQ16E is a GigaDevice serial NOR flash memory device for nonvolatile code and data storage. It is commonly used over SPI in embedded designs that need compact external storage for firmware, assets, configuration data, or logs. The part is well suited to space-constrained systems that need fast, byte-addressable flash access without a large parallel memory interface.

Why Choose This Part

Serial NOR flash is a practical choice when a design needs low-pin-count nonvolatile memory with simple SPI-style interfacing. GD25LQ16E is a compact option for adding external storage to MCUs and SoCs without moving to a larger memory bus. For engineers, the main value is predictable read access, easy board routing, and broad software support in many embedded bootloaders and file systems.

Applications

Firmware storage
Holds application code, bootloaders, or secondary images in microcontroller-based designs.
Configuration and calibration data
Stores device settings, calibration tables, and manufacturing parameters that must persist across power cycles.
Asset storage
Keeps fonts, icons, audio clips, or other static resources for user interfaces and connected products.
Data logging buffer
Provides nonvolatile space for event records, telemetry cache, or offline data capture.
IoT and industrial controllers
Useful in connected modules and control systems that need external program or parameter memory.

Getting Started

Start by checking the exact package, voltage range, and SPI mode support in the GigaDevice datasheet and integrating it with the host MCU's QSPI/SPI peripheral if available. For bring-up, a common workflow is to test basic JEDEC ID reads and page program / sector erase operations using the vendor driver or your MCU vendor's flash abstraction layer. On development boards, use a board with external SPI flash support or wire the chip to a standard MCU evaluation board and validate timing with the target IDE, compiler, and flashing toolchain before committing to production layout.

Also Consider

W25Q16JV Winbond - A widely used 16 Mbit SPI NOR flash option with strong ecosystem support and easy software integration.
S25FL116K Infineon - A parallel-use alternative from a major flash vendor for designs that want another qualified source.