CY28RS480-1 Cypress Semiconductor, CY28RS480-1 Datasheet - Page 11

• Manufacturer Part Number: CY28RS480-1
• Description: Clock Generator
• Manufacturer: Cypress Semiconductor

Document #: 38-07714 Rev. *C
AC Electrical Specifications
CPU outputs
T
V
T
∆ V
V
∆ V
T
T
SRC
T
T
T
T
T
T
T
T
L
T
T
∆T
∆T
V
V
V
V
V
V
HTT66 HyperTransport Output
F66
T
T
T
T
PCI
T
T
R
SKEW
DC
JCYC
DC
PERIOD
PERIODSS
PERIODAbs
PERIODSSAbs
SKEW
SKEW
CCJ
ACC
R
RFM
DC
R
CCJ
SKEW
DC
PERIOD
DIFF
CM
HIGH
LOW
OX
OVS
UDS
RB
Parameter
R
F
/T
/T
/ T
DIFF
CM
F
F
F
Output Slew Rate
Differential Voltage
Any CPU to CPU Clock Skew
Change in VDIFF_DC Magnitude
Common Mode Voltage
Change in V
Duty Cycle
Cycle to Cycle Jitter
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
Any SRCS clock to Any SRCS 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
Operating Frequency
Duty Cycle
Slew Rate, Rise Time
Slew Rate, Fall Time
Cycle to Cycle jitter
HTT66 clock to PCI clock Skew
PCI Duty Cycle
Spread Disabled PCIF/PCI Period
CM
Description
(continued)
PRELIMINARY
Measured @ test load using VOCM
+/-400 mV, 0.85 to 1.65
Measured at load single ended
Measured at crossing point V
Measured at load single ended
Crossing Voltage (+)
Crossing Voltage (-)
Measured at load single ended
Measured at V
Measured at 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 at crossing point V
Measured at crossing point V
Measured from V
V
Determined as a fraction of
2*(T
Math averages Figure 8
Math averages Figure 8
See Figure 8. Measure SE
Measured at 1.5V
Measured at 20% and 60%
Measured at 1.5V
Measurement at 1.5V
Measurement at 1.5V
Measurement at 1.5V
OH
R
= 0.525V
– T
www.DataSheet.co.kr
F
)/(T
R
Condition
OX
OX
+ T
OL
F
= 0.175 to
)
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
9.997001
9.997001
9.872001
9.872001
29.99100
–150
–200
–150
Min.
1.05
0.97
–0.3
175
660
250
1.6
0.4
0.9
0.9
45
45
45
45
–
0
–
–
–
–
–
–
–
–
–
–
-
CY28RS480-1
V
10.00300
10.05327
10.12800
10.17827
30.00900
HIGH
66.67
Max.
1200
Page 11 of 16
1.45
1.45
250
150
200
200
250
250
125
300
700
125
125
850
550
275
2.3
0.2
5.4
4.8
55
55
20
55
55
7
–
–
+ 0.3
V/ns
MHz
V/ns
Unit
ppm
mV
mV
mV
mv
mv
ps
ps
ns
ns
ns
ns
ps
ps
ps
ps
ps
ps
ps
ps
ns
%
%
%
%
%
V
V
V
V
V
V
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