Winbond

• Memory
  • 32Megabits = 4Megabyte (MB)
• Voltage
  • 2.7V to 3.6V

This is origional GigaDevice GD25Q32 4MB SPI Memory chip.

Can be used in thousands of supported devices. for example routers, dish receivers, set top boxes, CPEs, lcds, laptops etc

• Memory
  • 128Megabits = 16Megabytes (MB)
• Voltage
  • 2.7V to 3.6V
• Family of SpiFlash Memories
  • GD25Q128CSIG: 128M-bit / 16M-byte
  • 256-bytes per programmable page
• Standard, Dual or Quad SPI
  • Standard SPI: CLK, /CS, DI, DO, /WP, /Hold
  • Dual SPI: CLK, /CS, IO0, IO1, /WP, /Hold
  • Quad SPI: CLK, /CS, IO0, IO1, IO2, IO3
• Highest Performance Serial Flash
  • Up to 6X that of ordinary Serial Flash
  • 80MHz clock operation
  • 160MHz equivalent Dual SPI
  • 320MHz equivalent Quad SPI
  • 40MB/S continuous data transfer rate
  • 30MB/S random access (32-byte fetch)
  • Comparable to X16 Parallel Flash