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.

• 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

• Datasheet