CY28441 Cypress Semiconductor, CY28441 Datasheet - Page 16

• Manufacturer Part Number: CY28441
• Description: Clock Generator
• Manufacturer: Cypress Semiconductor

Document #: 38-07679 Rev. **
AC Electrical Specifications
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
T
T
∆T
∆T
V
V
V
V
V
V
SKEW
CCJ
ACC
R
RFM
DC
PERIOD
PERIODSS
PERIODAbs
PERIODSSAbs
HIGH
LOW
R
SKEW
CCJ
DC
PERIOD
PERIODAbs
CCJ
ACC
R
RFM
HIGH
LOW
OX
OVS
UDS
RB
HIGH
LOW
OX
OVS
UDS
RB
Parameter
R
F
R
F
/ T
/ T
/ T
F
F
F
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 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
Description
(continued)
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
Measured from V
V
Determined as a fraction of
2*(T
Math averages Figure 15
Math averages Figure 15
See Figure 15. Measure SE
OH
OH
R
R
= 0.525V
= 0.525V
– T
– T
F
F
)/(T
)/(T
R
R
Condition
+ T
+ T
OL
OL
F
F
= 0.175 to
)
= 0.175 to
)
OX
OX
OX
OX
OX
OX
OX
OX
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
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
30.00900
30.15980
30.50900
30.65980
10.41979
10.66979
CY28441
V
V
Page 16 of 20
Max.
HIGH
HIGH
250
125
300
700
125
125
850
550
500
500
250
300
700
125
125
850
550
0.3
0.2
2.0
0.3
0.2
20
55
55
20
–
–
–
–
–
–
+
+
Unit
ppm
ppm
mV
mV
mV
mV
mV
mV
ps
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