......................Document #: 38-07713 Rev. *B Page 13 of 16
V
LOW
Voltage Low Math averages Figure 9 –150 – mV
V
OX
Crossing Point Voltage at 0.7V Swing 210 550 mV
V
OVS
Maximum Overshoot Voltage – V
HIGH
+ 0.3 V
V
UDS
Minimum Undershoot Voltage –0.3 – V
V
RB
Ring Back Voltage See Figure 9. Measure SE – 0.2 V
PCI/PCIF
T
DC
PCI Duty Cycle Measurement at 1.5V 45 55 %
T
PERIOD
Spread Disabled PCIF/PCI Period Measurement at 1.5V 29.99100 30.00900 ns
T
PERIODSS
Spread Enabled PCIF/PCI Period, SSC Measurement at 1.5V 29.9910 30.15980 ns
T
HIGH
PCIF and PCI High Time Measurement at 2.4V 12.0 – ns
T
LOW
PCIF and PCI Low Time Measurement at 0.4V 12.0 – ns
T
R
/ T
F
PCI Edge Rates Measured between 0.8V and 2.0V 0.89 4.0 V/ns
T
SKEW
Any PCI Clock to Any PCI clock Skew Measurement at 1.5V – 585 ps
T
CCJ
PCIF and PCI Cycle to Cycle Jitter Measurement at 1.5V – 500 ps
USB48
T
DC
USB Duty Cycle Measurement at 1.5V 45 55 %
T
PERIOD
USB Period, Measurement at 1.5V, mean value over
1 s
20.8271 20.8396 ns
L
ACC
Long Accuracy Measured at 1.5V using frequency
counter over 0.15s
– 100 ppm
T
HIGH
USB High Time Measurement at 2.0V 8.094 11.000 ns
T
LOW
USB Low Time Measurement at 0.8V 7.694 11.000 ns
T
R
/ T
F
USB Edge Rates Measured between 0.8V and 2.0V 1.0 4.0 V/ns
T
CCJ
Cycle to Cycle Jitter Measurement taken @1.5V waveform – 350 ps
T
LTJ
Long Term Jitter Measurement taken from cross point
V
OX
@ 1 s
–650ps
T
LTJ Long Term Jitter Measurement taken from cross point
V
OX
@ 10 s
–1ns
T
LTJ Long Term Jitter Measurement taken from cross point
V
OX
@ 125 s
–1ns
REF
T
DC
REF Duty Cycle Measurement at 1.5V 45 55 ns
T
PERIOD
REF Period Measurement at 1.5V 69.827 69.855 ns
T
R
/ T
F
REF Edge Rates Measured between 0.8V and 2.0V 0.55 4.0 V/ns
T
CCJ
REF Cycle to Cycle Jitter Measurement at 1.5V – 1000 ps
T
SKEW
REF Clock to Other REF Clock skew Measurement at 1.5V – 500 ps
ENABLE/DISABLE and SET-UP
T
STABLE
Clock Stabilization from Power-up – 1.8 ms
AC Electrical Specifications (continued)
Parameter Description Condition Min. Max. Unit
