The GD25LQ64C (64M-bit) Serial flash supports the standard Serial Peripheral Interface (SPI) and supports the Dual/Quad SPI and QPI mode: 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 at 240Mbits/s, and the Quad I/O & Quad output data is transferred at 480Mbits/s.

Product features:

1) 64M-bit Serial Flash 

8192K-byte 

256 bytes per programmable page

2) Fast Program / Erase Speed

Page Program time: 0.7ms typical

Sector Erase time: 90ms typical

Block Erase time: 0.3/0.45s typical

Chip Erase time: 30s typical

3) Flexible Architecture

Uniform Sector of 4K-byte

Uniform Block of 32/64K-byte

Erase / Program Suspend / Resume

4) High-Speed Clock Frequency

120MHz for a fast reading with a 30PF load

Dual I/O Data transfer up to 240Mbits/s

Quad I/O Data transfer up to 480Mbits/s

QPI Mode Data transfer up to 480Mbits/s

5) Low Power Consumption

35uA typical standby current

1uA typical power-down current

6) Advanced Security Features

128-Bit Unique ID for each device

3x1024-Byte Security Registers With OTP Lock

7) Software / Hardware Write Protection 

Write protect all / portion of memory via software 

Enable / Disable protection with WP# Pin

Top/Bottom Block Protection 

8) Single Power Supply Voltage

Full voltage range: 1.65~2.0V

9) Minimum 100,000 Program/Erase Cycles

10) Allows XIP (execute in place) Operation

Continuous Read With 8/16/32/64-byte Wrap

11) Data Retention 

20-year data retention typical