GD25LQ256CXIGX Datasheet, PDF (5/68 Pages) ELM Electronics – 1.8V Uniform Sector Dual and Quad Serial Flash

GD25LQ256CWIGx 1.8V Uniform Sector Dual and Quad Serial Flash
2. GENERAL DESCRIPTION
http://www.elm-tech.com
The GD25LQ256C (256M-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
Pin Description
Pin Name
CS#
SO (IO1)
WP# (IO2)
VSS
SI (IO0)
SCLK
HOLD# (IO3)
VCC
Block Diagram
8-LEAD WSON
I/O
Description
I
Chip Select Input
I/O
Data Output (Data Input Output 1)
I/O
Write Protect Input (Data Input Output 2)
Ground
I/O
Data Input (Data Input Output 0)
I
Serial Clock Input
I/O
Hold Input (Data Input Output 3)
Power Supply
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
68 - 5
Rev.1.0