CY28411 Cypress Semiconductor, CY28411 Datasheet - Page 15

• Manufacturer Part Number: CY28411
• Description: Clock Generator for Intel Alviso Chipset
• Manufacturer: Cypress Semiconductor

Document #: 38-07594 Rev. *B
AC Electrical Specifications
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
T
T
∆T
∆T
V
V
V
V
V
V
USB
T
CCJ
ACC
R
RFM
DC
PERIOD
PERIODSS
PERIODAbs
PERIODSSAbs
HIGH
LOW
R
SKEW
CCJ
DC
PERIOD
PERIODAbs
CCJ
ACC
R
RFM
DC
HIGH
LOW
OX
OVS
UDS
RB
HIGH
LOW
OX
OVS
UDS
RB
Parameter
R
F
R
F
/ T
/ T
/ T
F
F
F
SRCT/C Cycle to Cycle Jitter
SRCT/C Long Term Accuracy
SRCT and SRCC Rise and Fall Times
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 and PCI rise and fall times
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
DOT96T and DOT96C Rise and Fall
Times
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
Description
(continued)
Measured at crossing point V
Measured at crossing point V
Measured from V
0.525V
Determined as a fraction of 2*(T
T
Math averages Figure 14
Math averages Figure 14
See Figure 14. 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
Measured from V
0.525V
Determined as a fraction of 2*(T
T
Math averages Figure 14
Math averages Figure 14
See Figure 14. Measure SE
Measurement at 1.5V
F
F
)/(T
)/(T
R
R
+ T
+ T
F
F
)
)
Condition
OL
OL
= 0.175 to V
= 0.175 to V
OX
OX
OX
OX
OX
OX
OX
R
R
OH
OH
–
–
=
=
29.99100
29.49100
29.49100
10.41354
10.16354
29.9910
–150
–150
Min.
–0.3
12.0
12.0
–0.3
175
660
250
175
660
250
0.5
45
45
45
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
V
30.00900
30.15980
30.50900
30.65980
10.41979
10.66979
CY28411
HIGH
V
Page 15 of 19
Max.
HIGH
125
300
700
125
125
850
550
500
500
250
100
700
125
125
850
550
0.3
0.2
2.0
0.2
20
55
55
20
55
–
–
–
–
–
–
+ 0.3
+
Unit
ppm
ppm
mV
mV
mV
mV
mV
mV
ps
ps
ps
ps
ns
ns
ns
ns
ns
ns
ns
ps
ps
ns
ns
ps
ps
ps
ps
%
%
%
%
%
V
V
V
V
V
V