cy284108 SpectraLinear Inc, cy284108 Datasheet - Page 13

• Manufacturer Part Number: cy284108
• Description: Clock Generator For Intel Blackford And Bayshore Chipsets
• Manufacturer: SpectraLinear Inc

Rev 1.0, November 22, 2006
AC Electrical Specifications
V
V
V
V
V
PCI/PCIF
T
T
T
T
T
T
T
T
USB48
T
T
L
T
T
T
T
T
T
T
REF
T
T
T
T
T
ENABLE/DISABLE and SET-UP
T
ACC
LOW
OX
OVS
UDS
RB
DC
PERIOD
PERIODSS
HIGH
LOW
R
SKEW
CCJ
DC
PERIOD
HIGH
LOW
R
CCJ
LTJ
LTJ
LTJ
DC
PERIOD
R
CCJ
SKEW
STABLE
Parameter
/ T
/ T
/ T
F
F
F
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
PCIF and PCI High Time
PCIF and PCI Low Time
PCI Edge Rates
Any PCI Clock to Any PCI clock Skew
PCIF and PCI Cycle to Cycle Jitter
USB Duty Cycle
USB Period,
Long Accuracy
USB High Time
USB Low Time
USB Edge Rates
Cycle to Cycle Jitter
Long Term Jitter
Long Term Jitter
Long Term Jitter
REF Duty Cycle
REF Period
REF Edge Rates
REF Cycle to Cycle Jitter
REF Clock to Other REF Clock skew
Clock Stabilization from Power-up
Description
(continued)
Math averages Figure 9
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, mean value over
1 µs
Measured at 1.5V using frequency
counter over 0.15s
Measurement at 2.0V
Measurement at 0.8V
Measured between 0.8V and 2.0V
Measurement taken @1.5V waveform
Measurement taken from cross point
V
Measurement taken from cross point
V
Measurement taken from cross point
V
Measurement at 1.5V
Measured between 0.8V and 2.0V
Measurement at 1.5V
Measurement at 1.5V
See Figure 9. Measure SE
Measurement at 1.5V
Measurement at 1.5V
Measurement at 1.5V
OX
OX
OX
@ 1 µs
@ 10 µs
@ 125 µs
Condition
29.99100
29.9910
20.8271
69.827
8.094
7.694
–150
Min.
–0.3
12.0
12.0
0.89
0.55
210
1.0
45
45
45
–
–
–
–
–
–
–
–
–
–
–
–
CY284108
V
30.00900
30.15980
20.8396
Page 13 of 16
HIGH
69.855
11.000
11.000
Max.
1000
550
585
500
100
350
650
500
0.2
4.0
4.0
4.0
1.8
55
55
55
–
–
–
–
1
1
+ 0.3
V/ns
V/ns
V/ns
Unit
ppm
mV
mV
ms
ns
ns
ns
ns
ps
ps
ns
ns
ns
ps
ps
ns
ns
ns
ns
ps
ps
%
%
V
V
V