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CY28419 Datasheet(PDF) 12 Page - Cypress Semiconductor

Part No. CY28419
Description  Clock Synthesizer with Differential SRC and CPU Outputs
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Maker  CYPRESS [Cypress Semiconductor]
Homepage  http://www.cypress.com
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CY28419 Datasheet(HTML) 12 Page - Cypress Semiconductor

 
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CY28419
Document #: 38-07444 Rev. *D
Page 12 of 16
CPU at 0.7V
TDC
CPUT and CPUC Duty Cycle
Measured at crossing point VOX
45
55
%
TPERIOD
100-MHz CPUT and CPUC Period Measured at crossing point VOX
9.9970
10.003
ns
TPERIOD
133-MHz CPUT and CPUC Period Measured at crossing point VOX
7.4978
7.5023
ns
TPERIOD
166-MHz CPUT and CPUC Period Measured at crossing point VOX
5.9982
6.0018
ns
TPERIOD
200-MHz CPUT and CPUC Period Measured at crossing point VOX
4.9985
5.0015
ns
TSKEW
Any CPU to CPU Clock Skew
Measured at crossing point VOX
–100
ps
TCCJ
CPU Cycle-to-Cycle Jitter
Measured at crossing point VOX
–125
ps
TR/TF
CPUT/CPUC Rise and Fall Times Measured from VOL = 0.175 to VOH = 0.525V
175
700
ps
TRFM
Rise/Fall Matching
Determined as a fraction of 2*(TR–TF)/ (TR+TF)–
20
%
∆TR
Rise Time Variation
125
ps
∆TF
Fall Time Variation
125
ps
VHIGH
Voltage High
Math average, see Figure 7
660
850
mv
VLOW
Voltage Low
Math average, see Figure 7
–150
mv
VOX
Crossing Point voltage at 0.7V
Swing
250
550
mv
VOVS
Maximum Overshoot Voltage
VHIGH + 0.3
V
VUDS
Minimum Undershoot Voltage
–0.3
V
VRB
Ring Back Voltage
See Figure 7. Measure SE
0.2
V
SRC
TDC
SRCT and SRCC Duty Cycle
Measured at crossing point VOX
45
55
%
TPERIOD
100-MHz SRCT and SRCC Period Measured at crossing point VOX
9.9970
10.003
ns
TPERIOD
200-MHz SRCT and SRCC Period Measured at crossing point VOX
4.9985
5.0015
ns
TCCJ
SRC Cycle-to-Cycle Jitter
Measured at crossing point VOX
–125
ps
LACC
SRCT/C Long-term Accuracy
Measured at crossing point VOX
300
ppm
TR / TF
SRCT/SRCT\C Rise and Fall Times Measured from VOL = 0.175 to VOH = 0.525V
175
700
ps
TRFM
Rise/Fall Matching
Determined as a fraction of 2*(TR–TF)/ (TR+TF)–
20
%
∆TR
Rise Time Variation
125
ps
∆TF
Fall Time Variation
125
ps
VHIGH
Voltage High
Math average, see Figure 7
660
850
mv
VLOW
Voltage Low
Math average, see Figure 7
–150
mv
VOX
Crossing Point Voltage at 0.7V
Swing
250
550
mV
VOVS
Maximum Overshoot Voltage
VHIGH+0.3
V
VUDS
Minimum Undershoot Voltage
–0.3
V
VRB
Ring Back Voltage
See Figure 7. Measure SE
0.2
V
3V66
TDC
3V66 Duty Cycle
Measurement at 1.5V
45
55
%
TPERIOD
Spread Disabled 3V66 Period
Measurement at 1.5V
14.9955
15.0045
ns
TPERIOD
Spread Enabled 3V66 Period
Measurement at 1.5V
14.9955
15.0799
ns
THIGH
3V66 High Time
Measurement at 2.0V
4.9500
ns
TLOW
3V66 Low Time
Measurement at 0.8V
4.5500
ns
TR / TF
3V66 Rise and Fall Times
Measured between 0.8V and 2.0V
0.5
2.0
ns
TSKEW
Any 3V66 to Any 3V66 Clock Skew Measurement at 1.5V
250
ps
TCCJ
3V66 Cycle-to-Cycle Jitter
Measurement at 1.5V
250
ps
AC Electrical Specifications (continued)
Parameter
Description
Conditions
Min.
Max.
Unit


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