CY28372
AC Electrical Specifications (continued)
Parameter
TR / TF
Description
Conditions
Min.
0.5
Max.
Unit
V/ns
mv
CPUT and CPUC Rise and Fall Times Measured from Vol= 0.175 to
Voh = 0.525V
2.0
VOX
Crossing Point Voltage at 0.7V Swing
600
800
CPUT1
TDC
CPUT1 Duty Cycle
Measured at crossing point VOX
Measured at crossing point VOX
Measured at crossing point VOX
Measured at crossing point VOX
45
9.8
7.35
–
55
%
ns
ns
ps
TPERIOD
TPERIOD
TCCJ
100MHz CPUT1 Period
133MHz CPUT1 Period
CPUT1 Cycle to Cycle Jitter
10.2
7.65
150
TR / TF
CPUT and CPUC Rise and Fall Times Measured from VOL= 0.175
to VOH = 0.525V
0.5
2.0
V/ns
IOAPIC
TDC
IOAPIC Duty Cycle
Measured at crossing point VOX
Measured at crossing point VOX
Measured at crossing point VOX
45
69
69
55
70
70
%
ns
ns
TPERIOD
TPERIOD
TSKEW
100MHz IOAPIC Period
133MHz IOAPIC Period
Any IOAPIC clock to any IOPIC Clock Measured at crossing point VOX
Skew
–
250
ps
THIGH
TLOW
TCCJ
IOAPIC High Time
IOAPIC Low Time
25.5
25.3
–
–
–
IOAPIC Cycle to Cycle Jitter
IOAPIC Rise and Fall Times
Measured at crossing point VOX
500
ps
TR / TF
Measured from Vol= 0.175 to
Voh = 0.525V
0.4
1.6
V/ns
AGP
TDC
AGP Duty Cycle
Measured at crossing point VOX
45
55
%
ns
ns
TPERIOD
TPERIOD
100-MHz AGP Period
133-MHz AGP Period
Measured at crossing point VOX
Measured at crossing point VOX
15.0
15.0
15.3
15.3
TSKEW(UNBUF-
FERED)
Any AGP clock to any AGP Clock Skew Measured at crossing point VOX
–
250
ps
THIGH
AGP High Time
AGP Low Time
5.25
5.25
–
–
–
ns
ns
ps
TLOW
TCCJ
AGP Cycle to Cycle Jitter
AGP Rise and Fall Times
Measured at crossing point VOX
250
TR / TF
MeasuredfromVol=0.175to
Voh = 0.525V
0.5
1.6
ns
ZCLK
TDC
ZCLK Duty Cycle
Measured at crossing point VOX
45
–
55
175
250
1.6
%
ps
ps
ns
TSKEW
Any ZCLK clock to any ZCLK Clock
Skew
Measured at crossing point VOX
TCCJ
ZCLK Cycle to Cycle Jitter
ZCLK Rise and Fall Times
Measured at crossing point VOX
–
TR / TF
Measured from Vol= 0.175 to
Voh = 0.525V
0.5
PCI/PCIF
TDC
PCI and PCIF Duty Cycle
Measured at crossing point VOX
45
55
–
%
ns
ns
TPERIOD
TPERIOD
TSKEW
100-MHz PCI and PCIF Period
133-MHz PCI and PCIF Period
Measured at crossing point VOX
Measured at crossing point VOX
30.0
30.0
–
Any PCI and PCIF clock to any PCI and Measured at crossing point VOX
PCIF Clock Skew
–
500
ps
THIGH
TLOW
PCI and PCIF High Time
PCI and PCIF Low Time
12.0
12.0
–
–
ns
ns
Rev 1.0,November 20, 2006
Page 13 of 17
SPECTRALINEAR [ SPECTRALINEAR INC ]
