CY28435 Cypress Semiconductor, CY28435 Datasheet - Page 18

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

Document #: 38-07664 Rev. *B
AC Electrical Specifications
T
L
T
T
∆T
∆T
V
V
V
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
Edge Rate
CCJ
ACC
R
RFM
DC
PERIOD
PERIODSS
PERIODAbs
PERIODSSAbs
SKEW
CCJ
ACC
R
RFM
DC
PERIOD
PERIODSS
PERIODAbs
PERIODSSAbs
HIGH
LOW
HIGH
LOW
OX
OVS
UDS
RB
HIGH
LOW
OX
OVS
UDS
RB
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 Measured at crossing point V
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
Rising edge rate
Description
(continued)
PRELIMINARY
Measured at crossing point V
Measured using frequency counter over
0.15seconds.
Measured from V
0.525V
Determined as a fraction of
2*(T
Math averages Figure 10
Math averages Figure 10
See Figure 10. 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 from V
Determined as a fraction of 2*(T
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
F
)/(T
R
R
– T
+ T
F
)/(T
F
)
R
Condition
OL
+ T
OL
= 0.175 to V
F
= 0.175 to V
)
OH
OX
OX
OX
OX
OX
OX
OX
OX
OX
R
= 0.525V
OH
–
=
9.997001
9.997001
9.872001
9.872001
29.99100
29.49100
29.49100
29.9910
–150
–150
Min.
–0.3
–0.3
12.0
12.0
175
660
250
175
660
250
1.0
45
45
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
V
V
10.00300
10.05327
10.12800
10.17827
30.00900
30.15980
30.50900
30.65980
CY28435
HIGH
HIGH
Page 18 of 23
Max.
300
700
125
125
850
550
250
300
700
125
125
850
550
0.2
0.2
4.0
85
20
55
85
20
55
–
–
–
–
–
–
+ 0.3
+ 0.3
V/ns
Unit
ppm
ppm
mV
mV
mV
mV
mV
mV
ps
ps
ps
ps
ns
ns
ns
ns
ps
ps
ps
ps
ps
ns
ns
ns
ns
ns
ns
%
%
%
%
V
V
V
V
V
V