CY28437 SpectraLinear, CY28437 Datasheet - Page 18

• Manufacturer Part Number: CY28437
• Description: Clock Generator
• Manufacturer: SpectraLinear

Rev 1.0, November 20, 2006
AC Electrical Specifications
T
L
T
T
V
V
V
V
V
V
SRC
T
T
T
T
T
T
T
L
T
T
V
V
V
V
V
V
PCI/PCIF
T
T
T
T
T
T
T
ACC
ACC
CCJ
R
RFM
T
T
HIGH
LOW
OX
OVS
UDS
RB
DC
PERIOD
PERIODSS
PERIODAbs
PERIODSSAbs
SKEW
CCJ
R
RFM
T
T
HIGH
LOW
OX
OVS
UDS
RB
DC
PERIOD
PERIODSS
PERIODAbs
PERIODSSAbs
HIGH
LOW
Parameter
R
F
R
F
/ T
/ T
F
F
CPUT/C Cycle to Cycle Jitter
Long Term accuracy
CPUT and CPUC 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
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 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
Description
(continued)
Measurement at 1.5V
Measurement at 1.5V
Measured at crossing point V
Measured using frequency counter over
0.15 seconds.
Measured from V
V
Determined as a fraction of
2*(T
Math averages Figure 9
Math averages Figure 9
See Figure 9. 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 9
Math averages Figure 9
See Figure 9. Measure SE
Measurement at 1.5V
Measurement at 2.4V
Measurement at 0.4V
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
OX
9.997001
9.997001
9.872001
9.872001
29.99100
29.49100
29.49100
29.9910
www.DataSheet4U.com
–150
–150
Min.
–0.3
–0.3
12.0
12.0
130
660
250
130
660
250
45
45
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
CY28437
V
V
10.00300
10.05327
10.12800
10.17827
30.00900
30.15980
30.50900
30.65980
Page 18 of 22
HIGH
HIGH
Max.
300
700
125
125
850
550
250
125
300
700
125
125
850
550
0.2
0.2
65
29
55
20
55
–
–
–
–
–
–
+ 0.3
+ 0.3
Unit
ppm
ppm
mV
mV
mV
mV
mV
mV
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ps
ps
ps
ps
ps
ps
ps
ps
ps
%
%
%
%
V
V
V
V
V
V