CY7B994V datasheet(2/18 Pages) CYPRESS

Part #	CY7B994V

Description	High Speed Multi Phase PLL Clock Buffer

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Manufacturer	CYPRESS [Cypress Semiconductor]

Direct Link	http://www.cypress.com

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2 / 18 page

RoboClock

CY7B993V, CY7B994V

Document #: 38-07127 Rev. *J

Page 2 of 18

Logic Block Diagram

3

FS

OUTPUT_MODE

FBF0

FBDS0

FBDS1

FBDIS

4F0

4F1

4DS0

4DS1

DIS4

3F0

3F1

3DS0

3DS1

DIS3

2F0

2F1

2DS0

2DS1

DIS2

1F0

1F1

1DS0

1DS1

DIS1

QFA0

QFA1

4QA0

4QA1

4QB0

4QB1

3QA0

3QA1

3QB0

3QB1

2QA0

2QA1

2QB0

2QB1

1QA0

1QA1

1QB0

1QB1

LOCK

FBKA+

FBKA–

FBKB+

FBKB–

FBSEL

REFA+

REFA–

REFB+

REFB–

REFSEL

3

INV3

Divide and

Phase

Select

Matrix

Divide and

Phase

Select

Matrix

Divide and

Phase

Select

Matrix

Divide and

Phase

Select

Matrix

Divide and

Phase

Select

Matrix

Phase

Freq.

Detector

Filter

VCO

Control Logic

Divide and Phase

Generator

Feedback Bank

Bank 4

Bank 3

Bank 2

Bank 1

[+] Feedback

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