GD25Q21B datasheet(4/49 Pages) ELM

4 / 49 page

Rev.1.1

49 -

http://www.elm-tech.com

GD25Q21BxIGx Uniform Sector Dual and Quad Serial Flash

1. FEATURES

♦ 2M-bit Serial Flash

- 256K-byte

- 256 bytes per programmable page

♦ Standard, Dual, Quad SPI

- Standard SPI: SCLK, CS#, SI, SO, WP#, HOLD#

- Dual SPI: SCLK, CS#, IO0, IO1, WP#, HOLD#

- Quad SPI: SCLK, CS#, IO0, IO1, IO2, IO3

♦ High Speed Clock Frequency

- 104MHz for fast read with 30PF load

- Dual I/O Data transfer up to 208Mbits/s

- Quad I/O Data transfer up to 416Mbits/s

♦ Software/Hardware Write Protection

- Write protect all/portion of memory via software

- Enable/Disable protection with WP# pin

- Top or Bottom, Sector or Block selection

♦ Program/Erase Speed

- Page Program time: 0.35ms typical

- Sector Erase time: 50ms typical

- Block Erase time: 0.18/0.25s typical

- Chip Erase time: 0.8s typical

♦ Flexible Architecture

- Sector of 4K-byte

- Block of 32/64K-byte

♦ Low Power Consumption

- 12mA maximum active current

- 5μA maximum power down current

♦ Single Power Supply Voltage

- Full voltage range: 2.7~3.6V

♦ Minimum 100,000 Program/Erase Cycles

♦ Advanced security Features

- Power Supply Lock-Down

- 3×512-Byte Security Registers With OTP Locks

- Volatile and Non-volatile Status Register Bits

http://www.elm-tech.com

GD25Q21B Datasheet(PDF) 4 Page - ELM Electronics