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Product Overview

The GD25Q16EEIGR is a 16Mbit (2MB) capacity SPI NOR Flash memory launched by GigaDevice, a well-known semiconductor manufacturer in China. It adopts a low-power consumption and wide-voltage working design and is widely used in applications such as firmware storage and configuration data saving in embedded systems.
This model adopts an 8-pin SOP-8 (wide body) package, supports Standard, Dual and Quad SPI interfaces, and has a reading frequency as high as 104MHz. It is one of the popular products for upgrading and replacing EEPROM.

Core parameter specification

Parameter item description

Model GD25Q16EEIGR

• Storage capacity: 16Mbit (2MB)
• Interface type SPI (supporting Standard/Dual/Quad I/O)
• The working voltage is 2.7V to 3.6V
• The clock frequency is as high as 104 MHz
• Erase methods: 4KB sector erase, 32KB/64KB block erase, and entire sheet erase
• The page size is 256 bytes
• Write cycle: 1 to 5 ms (typical page write time)
• The data retention period exceeds 20 years
• Erase and write more than 100,000 times (per sector)
• Encapsulation type SOP-8 (Wide body)
• Operating temperature range: -40°C to +85°C (industrial grade)
• RoHS/Lead-free is

Product features and highlights

• 🚀 High speed read/write performance: 104MHz read rate, suitable for fast startup and data loading scenarios
• 🔒 Secure Erase mechanism: Supports multiple levels of erase (4KB/32KB/64KB/ whole chip)
• 🧩 Standard SPI compatibility: Compatible with mainstream SPI Flash instruction sets such as Micron and Winbond
• 🔋 Low power standby current: typically only 5µA, suitable for battery-powered devices
• 💾 High reliability: 20 years of data retention, over 100,000 erase and write cycles
• 🏷️ supports QE bit configuration: Quad SPI mode can be switched easily to increase throughput
• 📦 Industrial packaging: Compliant with environmental standards, suitable for harsh industrial environments

Typical application scenarios

Application direction description

• 🖥️ Embedded system MCU program storage, parameter configuration, Bootloader storage
• 📡 iot device configuration data with OTA firmware storage
• 🔌 Network device router/switch firmware or MAC address table store
• ⛽ Smart meter data cache, version control information recording
• 🧠 AI module model data/algorithm parameter storage
• 🏭 Industrial control high reliability system storage requirements, such as PLCS, data acquisition equipment

Encapsulation Diagram and Pin Distribution (SOP-8)

bash
┌ ─ ─ ─ ─ ┬ ─ ─ ─ ─ ┐
CS ─┤1       8├─ VCC
MISO ─┤2     7├─ HOLD#
WP#  ─┤3     6├─ SCLK
GND  ─┤4     5├─ MOSI
└ ─ ─ ─ ─ ─ ─ ─ ─ ─ ┘
CS (Chip Selection) : Select the device at a low level
MOSI/MISO: SPI data input/output
SCLK: SPI clock
WP#/HOLD# : Write protection/pause control pins to support flexible control

Recommendations for equivalent and compatible models

Model, brand, capacity, interface type, compatibility description

• The W25Q16JVSSIM Winbond 16Mbit SPI/QSPI is fully compatible and is also in the SOP-8 package
• MX25L1606EM2I-12G Macronix 16Mbit SPI standard SPI Flash alternative solution
• AT25SF161-SSHD-B Microchip 16Mbit SPI EEPROM alternative

The SST25VF016B is compatible with the 16Mbit SPI instruction set of Microchip, but its speed is slightly lower

Summary

GD25Q16EEIGR is a high-performance, low-power consumption NOR Flash memory chip with SPI interface, featuring excellent compatibility and a broad industrial application base. It is not only suitable for traditional MCU program storage, but also can meet the diverse requirements in modern intelligent devices for firmware updates, configuration storage, fast startup, etc. If you are looking for a stable and reliable 16Mbit Flash product, the GD25Q16EEIGR is a trustworthy choice.
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