# Serial Flash Memory - GD25Q40CTIGR (4Mb, 120MHz)

**Type:** Product page · **SKU:** COM-18076 · **Brand:** [Sparkfun](https://core-electronics.com.au/brands/sparkfun-australia)
**Page:** https://core-electronics.com.au/serial-flash-memory-gd25q40ctigr-4mb-120mhz.html ([markdown](https://core-electronics.com.au/serial-flash-memory-gd25q40ctigr-4mb-120mhz.html.md))

The GD25Q40C (4M-bit) Serial flash supports the standard Serial Peripheral Interface (SPI), and supports the Dual/Quad SPI: Serial Clock, Chip Select, Serial Data...

## Pricing

- **Price:** $0.76 (inc GST) — $0.69 AUD, exc GST
- **Quantity discounts:** 5+ $0.67 (exc GST) · 25+ $0.65 (exc GST) · 100+ $0.63 (exc GST)

## Availability & dispatch

- Available with a lead time — expect dispatch between Aug 17 and Aug 24.

## Description

The GD25Q40C (4M-bit) Serial flash supports the standard Serial Peripheral Interface (SPI), and supports the Dual/Quad SPI: Serial Clock, Chip Select, Serial Data I/O0 (SI), I/O1 (SO), I/O2 (WP#), and I/O3 (HOLD#). The Dual I/O data is transferred with speed of 240Mbits/s and the Quad I/O & Quad output data is transferred with speed of 480Mbits/s.

**Features**

- 4M-bit Serial Flash 
    - 512K-byte
    - 256 bytes per programmable page
- Standard, Dual, Quad SPI
- High Speed Clock Frequency 
    - 120MHz for fast read with 30PF load
    - Dual I/O Data transfer up to 240Mbits/s
    - Quad I/O Data transfer up to 480Mbits/s
- Software/Hardware Write Protection
- Minimum 100,000 Program/Erase Cycles
- Data Retention 
    - 20-year data retention typical
- Single Power Supply Voltage 
    - Full voltage range: 2.7~3.6V
- Low Power Consumption 
    - 1µA typical deep power down current
    - 1µA typical standby current

**Documents**

- [Datasheet](https://core-electronics.com.au/attachments/localcontent/DS-18076-4Mb_Flash_memory_-_GD25Q40CTIGR_18456c0f6e4.pdf)

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/1/8/18076-4mb_flash_memory_-_gd25q40ctigr-01.jpg)