Uniform Sector

Standard and Dual Serial Flash

GD25WD80C

5

2. GENERAL DESCRIPTION

The GD25WD80C (8M-bit) Serial flash supports the standard Serial Peripheral Interface (SPI), and supports the

Dual Output: Serial Clock, Chip Select, Serial Data I/O0 (SI), O1 (SO). The Dual Output data is transferred with maximum

speed of 160Mbits/s.

CONNECTION DIAGRAM

CS#

SO

(O1)

WP#

VSS

Top View

VCC

NC

SCLK

SI

(IO0)

8–LEAD

SOP/TSSOP/DIP

1

2

3

4

5

6

7

8

CS#

WP#

VSS

Top View

VCC

NC

SCLK

8–LEAD USON

1

2

3

4

5

6

7

8

SI

(IO0)

SO

(O1)

PIN DESCRIPTION

Pin Name

I/O

Description

CS#

I

Chip Select Input

SO (O1)

O

Data Output (Data Output 1)

WP#

I

Write Protect Input

VSS

Ground

SI (IO0)

I/O

Data Input (Data Input Output 0)

SCLK

I

Serial Clock Input

NC

No Connection

VCC

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.