GD25Q20 Просмотр технического описания (PDF) - Unspecified

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GD25Q20

GD25Q20BxIGx Uniform sector dual and quad serial flash

Unspecified 

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2. GENERAL DESCRIPTION

The GD25Q20B Serial flash supports the standard Serial Peripheral Interface (SPI), and a high performance

Dual/Quad output as well as Dual/Quad SPI: Serial Clock, Chip Select, Serial Data I/O0 (SI), I/O1 (SO), I/O2 (WP#), and

I/O3 (HOLD#). SPI clock frequencies of up to 120MHz are supported allowing equivalent clock rates of 240MHz for Dual

Output & Dual I/O read command, and 480MHz for Quad output & Quad I/O read command.

CONNECTION DIAGRAM

CS# 1

8

VCC

SO

WP#

2

7

Top View

3

6

HOLD#

SCLK

VSS 4

5

SI

8–LEAD SOP/TSSOP

CS# 1

SO 2

WP# 3

VSS 4

Top View

8–LEAD USON

8 VCC

7 HOLD#

6 SCLK

5 SI

PIN DESCRIPTION

Pin Name

I/O

CS#

I

SO (IO1)

I/O

WP# (IO2)

I/O

VSS

SI (IO0)

I/O

SCLK

I

HOLD# (IO3)

I/O

VCC

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 Input (Data Input Output 3)

Power Supply

5

38 - 5

Rev.1.1

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