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Capacitance, Ac test loads and waveforms, Switching characteristics - 5 option – Cypress CY7B9911V User Manual

Page 9

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CY7B9911V

3.3V RoboClock+™

Document Number: 38-07408 Rev. *D

Page 9 of 14

Capacitance

Tested initially and after any design or process changes that may affect these parameters.

[10]

Parameter

Description

Test Conditions

Max

Unit

C

IN

Input Capacitance

T

A

= 25°C, f = 1 MHz, V

CC

= 3.3V

10

pF

Note

10. Applies to REF and FB inputs only.

AC Test Loads and Waveforms

Switching Characteristics – 5 Option

Over the Operating Range

[2, 11]

Parameter

Description

CY7B9911V-5

Unit

Min

Typ

Max

f

NOM

Operating Clock
Frequency in MHz

FS = LOW

[1, 2]

15

30

MHz

FS = MID

[1, 2]

25

50

FS = HIGH

[1, 2 , 3]

40

110

t

RPWH

REF Pulse Width HIGH

5.0

ns

t

RPWL

REF Pulse Width LOW

5.0

ns

t

U

Programmable Skew Unit

See

Table 1

t

SKEWPR

Zero Output Matched-Pair Skew (XQ0, XQ1)

[13, 14]

0.1

0.25

ns

t

SKEW0

Zero Output Skew (All Outputs)

[13, 15]

0.25

0.5

ns

t

SKEW1

Output Skew (Rise-Rise, Fall-Fall, Same Class Outputs)

[13, 17]

0.6

0.7

ns

t

SKEW2

Output Skew (Rise-Fall, Nominal-Inverted, Divided-Divided)

[13, 17]

0.5

1.0

ns

t

SKEW3

Output Skew (Rise-Rise, Fall-Fall, Different Class Outputs)

[17, 17]

0.5

0.7

ns

t

SKEW4

Output Skew (Rise-Fall, Nominal-Divided, Divided-Inverted)

[13, 17]

0.5

1.0

ns

t

DEV

Device-to-Device Skew

[12, 18]

1.25

ns

t

PD

Propagation Delay, REF Rise to FB Rise

–0.5

0.0

+0.5

ns

t

ODCV

Output Duty Cycle Variation

[19]

–1.0

0.0

+1.0

ns

t

PWH

Output HIGH Time Deviation from 50%

[20]

2.5

ns

t

PWL

Output LOW Time Deviation from 50%

[20]

3

ns

t

ORISE

Output Rise Time

[20, 21]

0.15

1.0

1.5

ns

t

OFALL

Output Fall Time

[20, 21]

0.15

1.0

1.5

ns

t

LOCK

PLL Lock Time

[22]

0.5

ms

t

JR

Cycle-to-Cycle Output
Jitter

RMS

[12]

25

ps

Peak-to-Peak

[12]

200

ps

TTL AC Test Load

TTL Input Test Waveform

V

CC

R1

R2

C

L

3.0V

2.0V

V

th

=1.5V

0.8V

0.0V

≤1ns

≤1ns

2.0V

0.8V

V

th

=1.5V

R1=100
R2=100
C

L

= 30 pF

(Includes fixture and probe capacitance)

Figure 9. AC Test Loads and Waveforms

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