GD25Q64 datasheet(5/50 Pages) ELM

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Rev.1.1

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GD25Q64CxIGx 3.3V Uniform Sector Dual and Quad Serial Flash

2. GENERAL DESCRIPTION

The GD25Q64C(64M-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

8-LEAD SOP

8-LEAD WSON

Pin Name

I / O

Description

CS#

Chip Select Input

SO (IO1)

I/O

Data Output (Data Input Output 1)

WP# (IO2)

I/O

Write Protect Input (Data Input Output 2)

VSS

Ground

SI (IO0)

I/O

Data Input (Data Input Output 0)

SCLK

Serial Clock Input

HOLD# (IO3)

I/O

Hold Input (Data Input Output 3)

VCC

Power Supply

Pin Description

SPI

Command &

Control Logic

High Voltage

Generators

Page Address

Latch/Counter

Status

Write Control

Logic

Byte Address

Latch/Counter

Column Decode And

256-Byte Page Buffer

Flash

Memory

CS#

SCLK

SI(IO0)

SO(IO1)

HOLD#(IO3)

WP#(IO2)

Block Diagram

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