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CY28442-2
..................... Document #: 38-07691 Rev. *B Page 17 of 19
TPERIODSSAbs Spread Enabled PCIF/PCI Period, SSC Measurement at 1.5V
29.49100
30.65980
ns
THIGH
PCIF and PCI high time
Measurement at 2.4V
12.0
–
ns
TLOW
PCIF and PCI low time
Measurement at 0.4V
12.0
–
ns
TR / TF
PCIF/PCI rising and falling Edge Rate
Measured between 0.8V and 2.0V
1.0
4.0
V/ns
TSKEW
Any PCI clock to Any PCI clock Skew
Measurement at 1.5V
–
500
ps
TCCJ
PCIF and PCI Cycle to Cycle Jitter
Measurement at 1.5V
–
500
ps
DOT
TDC
DOT96T and DOT96C Duty Cycle
Measured at crossing point VOX
45
55
%
TPERIOD
DOT96T and DOT96C Period
Measured at crossing point VOX
10.41354
10.41979
ns
TPERIODAbs
DOT96T and DOT96C Absolute Period Measured at crossing point VOX
10.16354
10.66979
ns
TCCJ
DOT96T/C Cycle to Cycle Jitter
Measured at crossing point VOX
–250
ps
LACC
DOT96T/C Long Term Accuracy
Measured at crossing point VOX
–
100
ppm
TR / TF
DOT96T and DOT96C Rise and Fall
Time
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
%
T
R
Rise Time Variation
–
125
ps
T
F
Fall Time Variation
–
125
ps
VHIGH
Voltage High
Math averages Figure 15
660
850
mV
VLOW
Voltage Low
Math averages Figure 15
–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 15. Measure SE
–
0.2
V
USB
TDC
Duty Cycle
Measurement at 1.5V
45
55
%
TPERIOD
Period
Measurement at 1.5V
20.83125
20.83542
ns
TPERIODAbs
Absolute Period
Measurement at 1.5V
20.48125
21.18542
ns
THIGH
USB high time
Measurement at 2.4V
8.094
10.036
ns
TLOW
USB low time
Measurement at 0.4V
7.694
9.836
ns
TR / TF
Rising and Falling Edge Rate
Measured between 0.8V and 2.0V
1.0
2.0
V/ns
TCCJ
Cycle to Cycle Jitter
Measurement at 1.5V
–
350
ps
REF
TDC
REF Duty Cycle
Measurement at 1.5V
45
55
%
TPERIOD
REF Period
Measurement at 1.5V
69.8203
69.8622
ns
TPERIODAbs
REF Absolute Period
Measurement at 1.5V
68.82033
70.86224
ns
TR / TF
REF Rising and Falling Edge Rate
Measured between 0.8V and 2.0V
1.0
4.0
V/ns
TCCJ
REF Cycle to Cycle Jitter
Measurement at 1.5V
–
1000
ps
ENABLE/DISABLE and SET-UP
TSTABLE
Clock Stabilization from Power-up
–
1.8
ms
TSS
Stopclock Set-up Time
10.0
–
ns
TSH
Stopclock Hold Time
0
–
ns
AC Electrical Specifications (continued)
Parameter
Description
Condition
Min.
Max.
Unit
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