GD25Q64ETIGR

GD25Q64ETIGR is a 64‑Mbit serial flash memory from GigaDevice (GD25Q family) used for firmware and data storage. It provides a fast, SPI‑based non-volatile memory with options for higher-speed reads using dual/quad I/O modes.
Key points:
- Capacity: 64 Mbit (8 MBytes)
- Interface: SPI-compatible; supports dual/quad I/O for faster reads
- Speed: fast read up to about 104 MHz
- Organization: 256-byte pages; erase options include 4 KB sectors and larger blocks
- Endurance/Retention: ~100k P/E cycles; data retention ~20 years
- Voltage/Temp: typically 2.7–3.6 V; industrial temperature range (-40 to 85 C)
- Packaging: 8-pin package; RoHS-compliant (suffix GR)
- Applications: code storage/boot flash for MCUs, embedded systems, consumer electronics
In short, GD25Q64ETIGR offers reliable, high-speed, non-volatile storage for embedded designs.

Equivalent 64‑Mbit SPI NOR flash memories from other vendors:
- Winbond W25Q64FV (variants W25Q64JV/W25Q64F)
- Macronix MX25L6406E
- Spansion/Cypress S25FL064P (S25FL064A)
- ISSI IS25LP064D
Note: check package, voltage (1.8–3.3V) and Quad/dual I/O support; timing and features vary.

GD25Q64ETIGR is a 64-Mbit serial flash memory from GigaDevice. Key features:
- Capacity: 64 Mbit (8 MB) of non-volatile flash.
- Interface: SPI-compatible with standard SPI; supports Dual/Quad I/O fast read modes; up to 104 MHz clock.
- Voltage: 2.7–3.6 V operation.
- Package: 8-pin SOP (rohs-compliant) option.
- Addressing: 3-byte addressing (sufficient for up to 16 MB); 4-byte addressing available for larger devices.
- Page/Erase: 256-byte page program; erase granularity includes 4 KB sectors, 32 KB/64 KB blocks; chip erase option.
- Security & Protection: Write enable/disable, block protection (BP) bits, status register, JEDEC ID; hardware write protection and WP pin.
- Power management: Deep power-down mode and wake-up support.
- Endurance/Retention: Typical endurance ~100k erase/program cycles per sector; data retention around years (typical 20 years).
- Temp range: -40°C to 85°C (industrial).
Note: exact supported read/write modes and timing can vary by revision/package; consult the latest datasheet for specifics.

- Pin count: 8 pins (SOP-8).
- Function: 64-Mbit SPI serial flash memory. Pinout:
- VCC: power
- GND: ground
- CS#: chip select (active low)
- CLK: serial clock
- DI (SI): data input
- DO (SO): data output
- WP#: write protect (active low)
- HOLD#: hold (active low)
Uses SPI interface for read/write operations.

- Manufacturer: GigaDevice Semiconductor Inc. (GigaDevice).
- What kind of company: A Chinese fabless semiconductor company that designs and markets non-volatile memory products, notably serial SPI NOR flash and other memory solutions for embedded systems worldwide.

GD25Q64ETIGR is a 64‑Mbit serial NOR flash memory. Common application areas:
- Firmware storage and boot code for microcontrollers/processors
- Firmware updates and recovery storage
- Code and data storage for embedded systems
- Data logging and configuration storage
- Consumer electronics (set‑top boxes, cameras, printers, audio/video devices)
- Networking equipment (routers, gateways, access points)
- Industrial/automation equipment and control systems
- IoT devices and smart sensors
Note: suitable for Execute‑In‑Place (XIP) in many MCU/MPU setups.

It comes in an 8-pin SOP (SOIC-8) package (RoHS-compliant).