CY28RS480 SpectraLinear, CY28RS480 Datasheet - Page 11

• Manufacturer Part Number: CY28RS480
• Description: Clock Generator
• Manufacturer: SpectraLinear

Rev 1.0, November 22, 2006
AC Electrical Specifications
T
T
T
T
PCI
T
T
T
T
T
T
T
T
T
USB
T
T
T
T
T
T
T
T
REF
T
T
T
T
T
ENABLE/DISABLE and SET-UP
T
T
T
DC
R
CCJ
SKEW
DC
PERIOD
PERIODSS
PERIODAbs
PERIODSSAbs
HIGH
LOW
R
CCJ
DC
PERIOD
PERIODAbs
HIGH
LOW
R
CCJ
LTJ
DC
PERIOD
PERIODAbs
R
CCJ
STABLE
SS
SH
Parameter
/T
/ T
/ T
/ T
F
F
F
F
Duty Cycle
Slew Rate
Cycle to Cycle jitter
HTT66 clock to PCI clock Skew
PCI Duty Cycle
Spread Disabled PCI Period
Spread Enabled PCI Period, SSC
Spread Disabled PCI Period
Spread Enabled PCI Period, SSC
PCI high time
PCI low time
PCI rise and fall times
PCI Cycle to Cycle Jitter
Duty Cycle
Period
Absolute Period
USB high time
USB low time
Rise and Fall Times
Cycle to Cycle Jitter
Long Term Jitter
REF Duty Cycle
REF Period
REF Absolute Period
REF Rise and Fall Times
REF Cycle to Cycle Jitter
Clock Stabilization from Power-up
Stopclock Set-up Time
Stopclock Hold Time
Description
(continued)
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
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
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@1 us
Measurement at 1.5V
Measurement at 1.5V
Measured between 0.8V and 2.0V
Measurement at 1.5V
Measurement at 1.5V
Measurement at 1.5V
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Condition
20.48125 21.18542
29.99100
29.49100
29.49100
20.83125
68.82033
29.9910
69.8203
8.094
7.694
Min.
12.0
12.0
10.0
0.9
1.0
1.0
1.0
45
45
45
45
–
–
–
–
–
–
–
0
CY28RS480
30.00900
30.15980
30.50900
30.65980
20.83542
70.86224
Page 11 of 14
69.8622
10.036
9.836
Max.
1000
TBD
450
500
500
350
4.0
6.5
4.0
2.0
1.8
55
55
55
55
–
–
–
–
Unit
V/ns
V/ns
V/ns
V/ns
ms
ps
ps
ns
ns
ns
ns
ns
ns
ps
ns
ns
ns
ns
ps
ps
ns
ns
ps
ns
ns
%
%
%
%
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