GD25LQ80EEIGR

GD25LQ80EEIGR is an 8‑megabit serial flash memory from GigaDevice. It uses a SPI‑compatible interface (with optional Dual/Quad I/O modes) for higher throughput. Key points:
- Capacity: 8 Mb (1 MB), organized as 1,048,576 × 8
- Operations: Page program (256 bytes); erase options: 4 KB sectors, 32 KB/64 KB blocks, chip erase; includes write protection/status registers
- Power/Temp: 2.7–3.6 V supply; industrial temperature range (-40°C to +85°C); RoHS-compliant 8‑pin package (suffix -IGR)
- Use cases: firmware storage, boot code, data logging in embedded systems
- Speeds: SPI clock in tens of MHz; higher throughput in Dual/Quad I/O modes
For exact electrical specs, timing, and package details, consult the GD25LQ80E datasheet.

Equivalents (8 Mbit SPI NOR Flash, 3V, SOIC-8):
- Winbond W25Q80BV / W25Q80DV
- Macronix MX25LQ80B
- ISSI IS25LP080D
- Fudan Micro FM25Q80A
(These are cross-reference parts from major vendors with similar 8 Mbit SPI flash specs.)

Here are the key features of GD25LQ80EEIGR (GigaDevice 8Mbit serial flash):
- Capacity: 8 Mbit (1 MB) serial flash memory
- Interface: SPI-compatible with standard, dual, and quad I/O modes
- Voltage: 2.7–3.6 V (3.3 V logic) with low-power operation
- Addressing: 24-bit addressing for the memory map
- Page and blocks: 256-byte page size; 4 KB sectors; larger block erase options (e.g., 64 KB)
- Read/Write: fast read support; page program; erase operations
- Speed: high-speed operation (fast read; Quad SPI with higher throughput)
- Power modes: Deep power-down and wake-up
- Protection: hardware write-protect and status register protections
- Endurance/retention: typical erase/program cycles around 100k; long data retention
- Temperature: industrial temperature range (typical -40°C to +125°C)
- Packaging: RoHS-compliant package suitable for SPI flash usage
Note: exact speeds, block sizes, and endurance can vary by revision; verify in the datasheet for your lot.

- Pin count: 8 pins (SOIC-8 package, suffix IGR indicates 8-pin RoHS package).
- Function: GD25LQ80EEIGR is an 8 Mbit serial flash memory device with SPI-compatible interface (read/write/erase) used for non-volatile storage of firmware and data.

- Manufacturer: GigaDevice Semiconductor Inc. (GigaDevice, GD).
- What kind of company: A fabless semiconductor company based in Beijing, China, specializing in flash memory products (SPI/NOR and NAND flash) and related microcontrollers, designing memory ICs and marketing them to consumer electronics, embedded, automotive, and industrial markets. Manufacturing is done through external foundries.

GD25LQ80EEIGR is a SPI serial flash memory (8 Mbit) used as external program and non-volatile data storage in embedded systems. Common applications include:
- Code storage for MCUs/SoCs and bootloaders
- Firmware updates and recovery in consumer, IoT, and industrial devices
- Non-volatile storage for configuration, calibration data, and logs
- Data logging and parameter storage in embedded systems
- Automotive and industrial control electronics requiring reliable external flash
It provides a low-pin count, simple SPI interface suitable for compact embedded designs.

8-pin SOP (SOIC-8) package.