cy28442-2 Cypress Semiconductor Corporation., cy28442-2 Datasheet - Page 17

• Manufacturer Part Number: cy28442-2
• Description: Clock Generator For Intel Alviso Chipset
• Manufacturer: Cypress Semiconductor Corporation.

Document #: 38-07691 Rev. *B
AC Electrical Specifications
V
V
V
SRC
T
T
T
T
T
T
T
L
T
T
∆T
∆T
V
V
V
V
V
V
PCI/PCIF
T
T
T
T
T
T
T
T
T
T
DOT
T
T
T
T
L
DC
PERIOD
PERIODSS
PERIODAbs
PERIODSSAbs
SKEW
CCJ
ACC
R
RFM
DC
PERIOD
PERIODSS
PERIODAbs
PERIODSSAbs
HIGH
LOW
R
SKEW
CCJ
DC
PERIOD
PERIODAbs
CCJ
ACC
OVS
UDS
RB
HIGH
LOW
OX
OVS
UDS
RB
Parameter
R
F
/ T
/ T
F
F
Maximum Overshoot Voltage
Minimum Undershoot Voltage
Ring Back Voltage
SRCT and SRCC Duty Cycle
100-MHz SRCT and SRCC Period
100-MHz SRCT and SRCC Period, SSC Measured at crossing point V
100-MHz SRCT and SRCC Absolute
Period
100-MHz SRCT and SRCC Absolute
Period, SSC
Any SRCT/C to SRCT/C Clock Skew
SRCT/C Cycle to Cycle Jitter
SRCT/C Long Term Accuracy
SRCT and SRCC Rise and Fall Time
Rise/Fall Matching
Rise TimeVariation
Fall Time Variation
Voltage High
Voltage Low
Crossing Point Voltage at 0.7V Swing
Maximum Overshoot Voltage
Minimum Undershoot Voltage
Ring Back Voltage
PCI Duty Cycle
Spread Disabled PCIF/PCI Period
Spread Enabled PCIF/PCI Period, SSC Measurement at 1.5V
Spread Disabled PCIF/PCI Period
Spread Enabled PCIF/PCI Period, SSC Measurement at 1.5V
PCIF and PCI high time
PCIF and PCI low time
PCIF/PCI rising and 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
Description
(continued)
See Figure 15. Measure SE
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Measured from V
V
Determined as a fraction of
2*(T
Math averages Figure 15
Math averages Figure 15
See Figure 15. 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
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
OH
R
= 0.525V
– T
F
)/(T
R
Condition
+ T
OL
F
= 0.175 to
)
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
9.997001
9.997001
9.872001
9.872001
29.99100
29.49100
29.49100
10.41354
10.16354
29.9910
–150
Min.
–0.3
–0.3
12.0
12.0
175
660
250
1.0
45
45
45
–
–
–
–
–
–
–
–
–
–
–
–
–
–
CY28442-2
10.00300
10.05327
10.12800
10.17827
30.00900
30.15980
30.50900
30.65980
10.41979
10.66979
V
V
Page 17 of 21
Max.
HIGH
HIGH
100
125
300
700
125
125
850
550
500
500
250
100
0.3
0.2
0.3
0.2
4.0
55
55
20
55
–
–
–
–
–
+
+
V/ns
Unit
ppm
ppm
mV
mV
mV
ns
ns
ns
ns
ps
ps
ps
ps
ps
ns
ns
ns
ns
ns
ns
ps
ps
ns
ns
ps
%
%
%
%
V
V
V
V
V
V
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