CY28409OC Silicon Laboratories Inc, CY28409OC Datasheet - Page 14

• Manufacturer Part Number: CY28409OC
• Description: Clock Synthesizer / Jitter Cleaner SysClk Intel Grntsdl 865 and 875 chipsets
• Manufacturer: Silicon Laboratories Inc

Specifications of CY28409OC

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Rev 1.0, November 22, 2006
AC Electrical Specifications
Table 7. Group Timing Relationship and Tolerances
Table 8. USB to DOT Phase Offset
Table 9. Maximum Lumped Capacitive Output Loads
Parameter
T
T
T
DOT
T
T
T
T
T
T
T
USB
T
T
T
T
T
T
T
REF
T
T
T
T
T
ENABLE/DISABLE and SET-UP
T
T
T
3V66 to PCI
R
SKEW
CCJ
DC
PERIOD
SKEW
HIGH
LOW
R
CCJ
DC
PERIOD
SKEW
HIGH
LOW
R
CCJ
DC
PERIOD
SKEW
R
CCJ
STABLE
SS
SH
/ T
/ T
/ T
/ T
Group
VCH SKew
Parameter
DOT Skew
USB Skew
3V66 Clocks
F
F
F
F
PCI Clocks
USB Clock
DOT Clock
REF Clock
Clock
PCIF and PCI rise and fall times
Any PCI clock to Any PCI clock Skew Measurement at 1.5V
PCIF and PCI Cycle to Cycle Jitter
Period
Any 48-MHz to 48-MHz Clock Skew
USB high time
USB low time
Rise and Fall Times
Cycle to Cycle Jitter
Duty Cycle
Period
Any 48-MHz to 48-MHz Clock Skew
USB high time
USB low time
Rise and Fall Times
Cycle to Cycle Jitter
REF Duty Cycle
REF Period
Any REF to REF Clock Skew
REF Rise and Fall Times
REF Cycle to Cycle Jitter
Clock Stabilization from Power-up
Stopclock Set-up Time
Stopclock Hold Time
Duty Cycle
3V66 Leads PCI
Conditions
Typical
180°
Description
0°
0°
Max Load
30
30
20
10
30
(continued)
0.0 ns
0.0 ns
0.0 ns
Value
1.5 ns
Min.
Offset
Tolerance
1000 ps
1000 ps
1000 ps
Unit
pF
pF
pF
pF
pF
Measured between 0.8V and 2.0V
Measurement at 1.5V
Measurement at 1.5V
Measurement at 1.5V
Measured at crossing point V
Measurement at 2.0V
Measurement at 0.8V
Measured between 0.8V and 2.0V
Measurement at 1.5V
Measurement at 1.5V
Measurement at 1.5V
Measured at crossing point V
Measurement at 2.0V
Measurement at 0.8V
Measured between 0.8V and 2.0V
Measurement at 1.5V
Measurement at 1.5V
Measurement at 1.5V
Measured at crossing point V
Measured between 0.8V and 2.0V
Measurement at 1.5V
3.5 ns
Max.
Condition
OX
OX
OX
20.8271
20.8271
69.827
8.994
8.794
8.094
7.694
Min.
10.0
0.5
0.5
1.0
0.5
45
45
45
–
–
–
–
–
–
–
–
–
0
CY28409
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20.8396
20.8396
10.486
10.386
10.036
69.855
9.836
Max.
1000
500
250
500
350
500
350
500
2.0
1.0
2.0
2.0
1.8
55
55
55
–
–
Unit
ms
ns
ps
ps
ns
ns
ns
ns
ps
ns
ns
ns
ns
ps
ns
ns
ps
ns
ps
ps
ps
ns
%
%
%