3.3V Uniform Sector
Dual and Quad Serial Flash
GD25Q80C
2. GENERAL DESCRIPTION
The GD25Q80C (8M-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#). The Dual I/O
data is transferred with speed of 240Mbits/s and the Quad I/O & Quad output data is transferred with speed of 480Mbits/s.
CONNECTION DIAGRAM
CS#
SO
1
2
3
4
8
7
6
5
VCC
CS#
SO
1
2
8
7
6
5
VCC
HOLD#
SCLK
HOLD#
SCLK
Top View
Top View
WP#
VSS
WP# 3
SI
VSS
4
SI
8–LEAD SOP/VSOP/DIP
8–LEAD USON
PIN DESCRIPTION
Pin Name
I/O
I
Description
CS#
Chip Select Input
SO (IO1)
WP# (IO2)
VSS
I/O
I/O
Data Output (Data Input Output 1)
Write Protect Input (Data Input Output 2)
Ground
SI (IO0)
SCLK
I/O
I
Data Input (Data Input Output 0)
Serial Clock Input
HOLD# (IO3)
VCC
I/O
Hold Input (Data Input Output 3)
Power Supply
Note: CS# must be driven high if chip is not selected. Please don’t leave CS# floating any time after power is on.
5
GILWAY [ GILWAY TECHNICAL LAMP ]
