Cypress CY7B9920, CY7B9910 manual Over the Operating Range11, Device-to-Device Skew 8, Jitter

Page 7

CY7B9910

CY7B9920

Switching Characteristics

Over the Operating Range[11] (continued)

 

 

 

 

CY7B9910–7

 

 

CY7B9920–7

 

 

Parameter

Description

 

 

 

 

 

 

 

 

 

 

Unit

Min

 

Typ

 

Max

Min

 

Typ

 

Max

 

 

 

 

 

 

 

 

 

 

 

 

 

 

fNOM

Operating Clock

FS = LOW[1, 2]

15

 

 

 

30

15

 

 

 

30

MHz

 

Frequency in MHz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FS = MID[1, 2]

25

 

 

 

50

25

 

 

 

50

 

 

 

FS = HIGH1, 2, 3]

40

 

 

 

80

40

 

 

 

80[12]

 

tRPWH

REF Pulse Width HIGH

 

5.0

 

 

 

 

5.0

 

 

 

 

ns

tRPWL

REF Pulse Width LOW

 

5.0

 

 

 

 

5.0

 

 

 

 

ns

tSKEW

Zero Output Skew (All Outputs)[13, 14]

 

 

0.3

 

0.75

 

 

0.3

 

0.75

ns

tDEV

Device-to-Device Skew[8, 15]

 

 

 

 

1.5

 

 

 

 

1.5

ns

tPD

Propagation Delay, REF Rise to FB Rise

–0.7

 

0.0

 

+0.7

–0.7

 

0.0

 

+0.7

ns

tODCV

Output Duty Cycle Variation[16]

–1.2

 

0.0

 

+1.2

–1.2

 

0.0

 

+1.2

ns

tORISE

Output Rise Time[17, 18]

 

0.15

 

1.5

 

2.5

0.5

 

3.0

 

5.0

ns

tOFALL

Output Fall Time17, 18]

 

0.15

 

1.5

 

2.5

0.5

 

3.0

 

5.0

ns

tLOCK

PLL Lock Time[19]

 

 

 

 

 

0.5

 

 

 

 

0.5

ms

tJR

Cycle-to-Cycle Output

Peak to Peak[8]

 

 

 

 

200

 

 

 

 

200

ps

 

Jitter

 

 

 

 

 

 

 

 

 

 

 

 

tJR

RMS[8]

 

 

 

 

25

 

 

 

 

25

ps

Document Number: 38-07135 Rev. *B

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Contents Functional Description FeaturesBlock Diagram Description Logic Block DiagramPin Definitions Pin ConfigurationTest Mode Signal Name DescriptionOperating Range Maximum RatingsAmbient Range Electrical Characteristics Over the Operating Range Capacitance Switching CharacteristicsParameter Description Test Conditions Output Rise Time 17 Operating Clock FS = LOW 1 MHzFrequency in MHz FS = MID 1 FS = High 1, 2 Zero Output Skew All Outputs 13Output Duty Cycle Variation +1.2 Propagation Delay, REF Rise to FB Rise +0.7Over the Operating Range11 Device-to-Device Skew 8AC Timing Diagrams AC Timing DiagramsBoard-to-Board Clock Distribution Operational Mode DescriptionsPb-Free Package DiagramOrdering Information Accuracy Ordering Code Package Type Operating RangeDocument History Issue Date Orig. Description of Change