CY28435 Cypress Semiconductor, CY28435 Datasheet - Page 19

• Manufacturer Part Number: CY28435
• Description: Clock Generator
• Manufacturer: Cypress Semiconductor

Document #: 38-07664 Rev. *B
AC Electrical Specifications
Edge Rate
T
T
DOT
T
T
T
T
L
T
T
T
∆T
∆T
V
V
V
V
V
V
USB
T
T
T
T
T
Edge Rate
Edge Rate
T
T
REF
T
T
T
T
Edge Rate
SKEW
CCJ
DC
PERIOD
PERIODAbs
CCJ
ACC
LTJ
R
RFM
DC
PERIOD
PERIODAbs
HIGH
LOW
CCJ
LTJ
DC
PERIOD
PERIODAbs
R
HIGH
LOW
OX
OVS
UDS
RB
Parameter
R
F
/ T
/ T
F
F
Falling edge rate
Any PCI clock to Any PCI clock Skew
PCIF and PCI Cycle to Cycle Jitter
DOT96T and DOT96C Duty Cycle
DOT96T and DOT96C Period
DOT96T and DOT96C Absolute Period Measured at crossing point V
DOT96T/C Cycle to Cycle Jitter
DOT96T/C Long Term Accuracy
Long Term jitter
DOT96T and DOT96C Rise and Fall Times Measured from V
Rise/Fall Matching
Rise Time Variation
Fall Time Variation
Voltage High
Voltage Low
Crossing Point Voltage at 0.7V Swing
Maximum Overshoot Voltage
Minimum Undershoot Voltage
Ring Back Voltage
Duty Cycle
Period
Absolute Period
USB high time
USB low time
Rising edge rate
Falling edge rate
Cycle to Cycle Jitter
Long Term jitter
REF Duty Cycle
REF Period
REF Absolute Period
REF Rise and Fall Times
Rising edge rate
Description
(continued)
PRELIMINARY
Measured between 0.8V and 2.0V
Measurement at 1.5V
Measurement at 1.5V
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Measurement taken from cross point
V
Measurement taken from cross point
V
0.525V
Determined as a fraction of
2*(T
Math averages Figure 10
Math averages Figure 10
See Figure 10. Measure SE
Measurement at 1.5V
Measurement at 1.5V
Measurement at 1.5V
Measurement at 2.4V
Measurement at 0.4V
Measured between 0.8V and 2.0V
Measured between 0.8V and 2.0V
Measurement at 1.5V
Measurement taken from cross point
Vox@1us
Measurement taken from cross point
Vox@10us
Measurement taken from cross point
Vox@125us
Measurement at 1.5V
Measurement at 1.5V
Measurement at 1.5V
Measured between 0.8V and 2.0V
Measured between 0.8V and 2.0V
OX
OX
@1 µs
@10 µs
R
– T
F
)/(T
R
Condition
+ T
OL
F
= 0.175 to V
)
OX
OX
OX
OX
OX
OH
=
20.48125 21.18542
10.41354
10.16354
20.83125
68.82033
69.8203
8.094
7.694
–150
Min.
–0.3
175
660
250
1.0
1.0
1.0
0.3
1.0
45
45
45
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
10.41979
10.66979
20.83542
70.86224
CY28435
69.8622
V
10.036
9.836
Page 19 of 23
Max.
HIGH
500
500
150
100
700
700
700
125
125
850
550
200
4.0
0.3
0.2
2.0
2.0
1.5
1.5
1.5
1.2
4.0
55
20
55
55
–
–
+
V/ns
V/ns
V/ns
V/ns
Unit
ppm
mV
mV
mV
ps
ps
ns
ns
ps
ps
ps
ps
ps
ps
ns
ns
ns
ns
ps
ns
ns
ns
ns
ns
ns
%
%
%
%
V
V
V