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GD25LQ64CSIG

Name: GD25LQ64CSIG
Rating: 4.7 (12 reviews)

IC FLASH 64MBIT SPI/QUAD 8SOP

メーカー
Mfr。パート #GD25LQ64CSIG
パッケージ 8-SOIC (0.209, 5.30mm Width)
データシート
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仕様

Supplier	GigaDevice Semiconductor (HK) Limited
Package	Tube
ProductStatus	Not For New Designs
MemoryType	Non-Volatile
MemoryFormat	FLASH
Technology	FLASH - NOR
MemorySize	64Mb (8M x 8)
MemoryInterface	SPI - Quad I/O
ClockFrequency	120 MHz
WriteCycleTime-WordPage	2.4ms
Voltage-Supply	1.65V ~ 2V
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	8-SOIC (0.209, 5.30mm Width)

概要

Description

GD25LQ64CSIG is a 64-Mbit SPI Serial Flash memory from GigaDevice. It stores firmware/data and is accessed via SPI, with options for faster Quad I/O/QPI modes for higher throughput.
Key points:
- Capacity and organization: 8 MB of flash memory, 256-byte pages; erase options include 4 KB sectors, 32 KB/64 KB blocks, plus chip erase.
- Interface and modes: standard SPI Read/Write, plus Dual/Quad I/O and QPI modes for higher speed.
- Core features: Write Enable Latch (WEL), status register with Busy/WEL bits, block protection (BP) for safe operation, and power-down support.
- Operations: Page program (up to 256 bytes per write), sector/block/chip erase, fast/continuous reads, and release from deep power-down.
- Package: 8-pin SOP (SIG suffix).
Typical uses: MCU boot memory, firmware storage, code or data logging in embedded systems.
For exact electrical specs (voltage, max clock, timing, endurance) consult the GD25LQ64CSIG datasheet.

Features

Here are the key features of GD25LQ64CSIG (64 Mbit serial flash):
- Capacity: 64 Mbit (8 MBytes) of user flash
- Interface: SPI-compatible with standard SPI plus dual/quad I/O modes
- Speed: up to 104 MHz clock (high-performance read/IO modes)
- Organization: 256-byte page size; supports page programming
- Erase/Write: 4 KB sectors, 32 KB and 64 KB blocks; chip erase
- Power: 2.7–3.6 V supply
- Low power: deep power-down mode and low standby current
- Temperature: operates from -40°C to 85°C (industrial)
- Package: 8-pin package (SIG variant)
- Security/Protection: write protection (BP), status register with WIP bit, hardware protection features
These make it suitable for boot firmware, code storage, and firmware updates in embedded systems.

Package

GD25LQ64CSIG uses an 8-pin SOP (SOIC-8) package; Pb-free with industrial temperature range.

Pinout

- Pin count: 8 pins (8‑pin SOP/SIG package).
- Function: 64‑Mbit serial SPI flash memory (non-volatile storage) for firmware/data. Interface uses CS, CLK, DI (SI), DO (SO), plus WP# and HOLD# pins, with VCC and GND.

Manufacturer

Manufacturer: GigaDevice Semiconductor (Beijing) Co., Ltd. (often branded as GigaDevice).
What kind of company: A Chinese fabless semiconductor company that designs and sells flash memory ICs (serial NOR/NAND flash and related storage memory) to electronics manufacturers worldwide.

Application

GD25LQ64CSIG is a 64‑Mbit SPI Quad I/O flash memory. Common applications:
- Embedded systems for firmware storage and boot memory (MCUs/SoCs)
- Code/data storage for firmware updates
- Data logging and configuration storage in IoT/industrial devices
- Consumer electronics (set-top boxes, cameras, wearables)
- Networking equipment and automotive/industrial control needing high‑speed, non‑volatile storage

Equivalent

GD25LQ64CSIG is a 64M-bit SPI NOR flash. Common equivalents from other vendors:
- Winbond W25Q64JV / W25Q64FV
- Macronix MX25L64F / MX25L64Z
- Micron N25Q64A
- Spansion/Cypress S25FL064P
- ISSI IS25LP64A
Note: check voltage (1.8–3.3V), I/O mode (SPI/QPI), speed and packaging in datasheets for exact cross‑reference.