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GD25Q128C Datasheet, PDF (5/69 Pages) ELM Electronics – 128M-bit Serial Flash
GD25Q128CxIGx 3.3V Uniform Sector Dual and Quad Serial Flash
2. GENERAL DESCRIPTION
http://www.elm-tech.com
The GD25Q128C(128M-bit) Serial flash supports the standard Serial Peripheral Interface (SPI), and supports
the Dual/Quad SPI: Serial Clock, Chip Select, Serial Data I/O0 (SI), I/O1 (SO), I/O2 (WP#) and I/O3 (HOLD#/
RESET#). The Dual I/O data is transferred with speed of 208Mbits/s and the Quad I/O & Quad Output data is
transferred with speed of 320Mbits/s.
Connection Diagram
CS# 1
8
SO
WP#
2
7
Top View
3
6
VSS 4
5
88–-LLEEAADD SSOOPP
Pin Description
Pin Name
CS#
SO (IO1)
WP# (IO2)
VSS
SI (IO0)
SCLK
HOLD#/RESET (IO3)
VCC
VCC
HOLD#/
RESET#
SCLK
SI
I/O
I
I/O
I/O
I/O
I
I/O
CS# 1
SO 2
WP# 3
VSS 4
Top View
88-L–ELAEADDWWSSOONN
8 VCC
7 HOLD#/
RESET#
6 SCLK
5 SI
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 or Reset Input (Data Input Output 3)
Power Supply
Block Diagram
WP#(IO2)
Write Control
Logic
HOLD#
RESET#(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
69 - 5
Rev.1.2