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GD25LQ64C Datasheet, PDF (5/62 Pages) ELM Electronics – 64M-bit Serial Flash
GD25LQ64CxIGx 1.8V Uniform Sector Dual and Quad Serial Flash
2. GENERAL DESCRIPTION
http://www.elm-tech.com
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 with speed of 266Mbits/s and the Quad I/O & Quad output data
is transferred with speed of 532Mbits/s.
Connection Diagram
8-LEAD SOP
Pin Description
Pin Name
I/O
CS#
I
SO (IO1)
I/O
WP# (IO2)
I/O
VSS
SI (IO0)
I/O
SCLK
I
HOLD# (IO3)
I/O
VCC
8-LEAD WSON
Description
Chip Select Input
Data Output (Data Input Output 1)
Write Protect Input (Data Input Output 2)
Ground
Data Input (Data Input Output 0)
Serial Clock Input
Hold Input (Data Input Output 3)
Power Supply
Block Diagram
WP#(IO2)
Write Control
Logic
HOLD#(IO3)
SCLK
CS#
SI(IO0)
SO(IO1)
SPI
Command &
Control Logic
Status
Register
High Voltage
Generators
Flash
Memory
Page Address
Latch/Counter
Column Decode And
256-Byte Page Buffer
Byte Address
Latch/Counter
62 - 5
Rev.1.0