CY25402 datasheet(3/10 Pages) CYPRESS

Part #	CY25402

Description	Two PLL Programmable Clock Generator with Spread Spectrum

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Manufacturer	CYPRESS [Cypress Semiconductor]

Direct Link	http://www.cypress.com

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3 / 10 page

CY25402/CY25422/CY25482

Document #: 001-12565 Rev. *B

Page 3 of 10

Figure 2. Pin Diagram - CY25482 8-LD SOIC

Table 2. Pin Definition - CY25482 (2.5V, 3.0V or 3.3V Supply)

Figure 3. Pin Diagram - CY25422 8-LD SOIC

Table 3. Pin Definition - CY25422 (1.8V Supply)

Pin Number

Name

IO

Description

1

EXCLKIN

Input

2.5V, 3.0V or 3.3V External Clock Input

2

VDD

Power

Power Supply: 2.5V, 3.0V or 3.3V

3

CLK1

Output

Programmable Clock Output with Spread Spectrum

4

REFOUT/FS0

Output/Input

Multifunction Programmable pin: Reference Clock Output or Frequency Select pin

5

PD#/OE/FS1

Input

Multifunction Programmable pin: Power Down, Output Enable or Frequency Select

6

CLK2/SSON

Output/Input

Multifunction Programmable pin: Programmable Clock Output with Spread

Spectrum or Spread Spectrum ON/OFF control pin

7

GND

Power

Power Supply Ground

8

DNU

Output

Do not use this pin

Pin Number

Name

IO

Description

1

XIN/EXCLKIN

Input

Crystal Input or 1.8V External Clock Input

2

VDD

Power

Power Supply: 1.8V

3

CLK1

Output

Programmable Clock Output with Spread Spectrum

4

REFOUT/FS0

Output/Input

Multifunction Programmable pin: Reference Clock Output or Frequency Select pin

5

PD#/OE/FS1

Input

Multifunction Programmable pin: Power Down, Output Enable or Frequency Select

6

CLK2/SSON

Output/Input

Multifunction Programmable pin: Programmable Clock Output with Spread

Spectrum or Spread Spectrum ON/OFF control pin

7

GND

Power

Power Supply Ground

8

XOUT

Output

Crystal Output

VDD

CY25482

1

2

3

4

8

7

6

5

DNU

GND

PD#/OE/FS1

EXCLKIN

CLK1

REFOUT/

FS0

CLK2/SSON

CY25422

1

2

3

4

8

7

6

5

XOUT

GND

PD#/OE/FS1

XIN/

EXCLKIN

VDD

CLK1

REFOUT/

FS0

CLK2/SSON

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