.......................DOC #: SP-AP-0021 (Rev AB) Page 22 of 27
T
PERIODSSAbs
Spread Enabled PCIF/PCI Period Measurement at 1.5V
29.56617 30.58421
ns
T
HIGH
Spread Enabled PCIF and PCI high time Measurement at 2V 12.27095 16.27995 ns
T
LOW
Spread Enabled PCIF and PCI low time Measurement at 0.8V 11.87095 16.07995 ns
T
HIGH
Spread Disabled PCIF and PCI high
time
Measurement at 2.V 12.27365 16.27665 ns
T
LOW
Spread Disabled PCIF and PCI low time Measurement at 0.8V 11.87365 16.07665 ns
T
R
/ T
F
PCIF/PCI Rising/Falling Slew Rate Measured between 0.8V and 2.0V 1.0 4.0 V/ns
T
SKEW
Any PCI clock to Any PCI clock Skew Measurement at 1.5V – 1000 ps
T
CCJ
PCIF and PCI Cycle to Cycle Jitter Measurement at 1.5V –500ps
L
ACC
PCIF/PCI Long Term Accuracy Measurement at 1.5V –100ppm
48_M at 3.3V
T
DC
Duty Cycle Measurement at 1.5V 45 55 %
T
PERIOD
Period Measurement at 1.5V
20.83125 20.83542
ns
T
PERIODAbs
Absolute Period Measurement at 1.5V
20.48125 21.18542
ns
T
HIGH
48_M High time Measurement at 2V
8.216563 11.15198
ns
T
LOW
48_M Low time Measurement at 0.8V
7.816563 10.95198
ns
T
R
/ T
F
Rising and Falling Edge Rate Measured between 0.8V and 2.0V 1.0 2.0 V/ns
T
CCJ
Cycle to Cycle Jitter Measurement at 1.5V –350ps
L
ACC
48M Long Term Accuracy Measurement at 1.5V –100ppm
27M_NSS/27M_SS at 3.3V
T
DC
Duty Cycle Measurement at 1.5V 45 55 %
T
PERIOD
Spread Disabled 27M Period Measurement at 1.5V 37.03594 37.03813 ns
Spread Enabled 27M Period Measurement at 1.5V 37.01299 37.13172 ns
T
R
/ T
F
Rising and Falling Edge Rate Measured between 0.8V and 2.0V 1.0 4.0 V/ns
T
CCJ
Cycle to Cycle Jitter Measurement at 1.5V –250ps
L
ACC
27_M Long Term Accuracy Measured at crossing point V
OX
–50ppm
REF
T
DC
REF Duty Cycle Measurement at 1.5V 45 55 %
T
PERIOD
REF Period
Measurement at 1.5V 69.82033 69.86224 ns
T
PERIODAbs
REF Absolute Period
Measurement at 1.5V 68.83429 70.84826 ns
T
HIGH
REF High time
Measurement at 2V 29.97543 38.46654 ns
T
LOW
REF Low time
Measurement at 0.8V 29.57543 38.26654 ns
T
R
/ T
F
REF Rising and Falling Edge Rate Measured between 0.8V and 2.0V 1.0 4.0 V/ns
T
SKEW
REF Clock to REF Clock Measurement at 1.5V –500ps
T
CCJ
REF Cycle to Cycle Jitter Measurement at 1.5V – 1000 ps
L
ACC
Long Term Accuracy Measurement at 1.5V –100ppm
ENABLE/DISABLE and SET-UP
T
STABLE
Clock Stabilization from Power-up –1.8ms
T
SS
Stopclock Set-up Time 10.0 – ns
AC Electrical Specifications (continued)
Parameter Description Condition Min. Max. Unit
