
CY28339
Document #: 38-07507 Rev. *A
Page 14 of 18
T
R
/ T
F
CPUT and CPUC Rise and Fall
Times
Rise/Fall Matching
Rise Time Variation
Fall Time Variation
Crossing Point Voltage at 0.7V
Swing
Measured from Vol= 0.175 to Voh = 0.525V
175
700
ps
T
RFM
T
R
T
F
V
OX
Determined as a fraction of 2*(T
R
-T
F
)/(T
R
+T
F
)
–
–
–
20
125
125
%
ps
ps
280
430
mv
CPU at 1.0 Volts
Measured at crossing point V
OX
Measured at crossing point V
OX
Measured at crossing point V
OX
Measured at crossing point V
OX
Measured at crossing point V
OX
T
DC
T
PERIOD
T
PERIOD
T
PERIOD
T
PERIOD
T
SKEW
T
CCJ
T
R
/ T
F
CPUT and CPUC Duty Cycle
66MHz CPUT and CPUC Period
100MHz CPUT and CPUC Period
133MHz CPUT and CPUC Period
200MHz CPUT and CPUC Period
Any CPUT/C to CPUT/C Clock Skew Measured at crossing point V
OX
CPUT/C Cycle to Cycle Jitter
CPUT and CPUC Rise and Fall
Times
Crossing Point Voltage at 0.7V
Swing
SE_
Slew Absolute Single-ended Rise/Fall
Waveform Symmetry
45
55
15.3
10.2
7.65
5.1
100
150
%
ns
ns
ns
ns
ps
ps
14.85
9.85
7.35
4.85
–
–
Measured at crossing point V
OX
Measured from Vol= 0.175 to Voh = 0.525V
175
467
ps
V
OX
510
760
mv
–
325
ps
3V66
T
DC
T
PERIOD
T
HIGH
T
LOW
T
R
/ T
F
T
SKEWUN-
BUFFERED
T
SKEW-
BUFFERED
T
CCJ
3V66 Duty Cycle
3V66 Period
3V66 High Time
3V66 Low Time
3V66 Rise and Fall Times
Any 3V66 to Any 3V66 Clock Skew
Measurement at 1.5V
Measured at crossing point V
OX
Measurement at 2.4V
Measurement at 0.4V
Measured between 0.4V and 2.4V
Measurement at 1.5V
45
15.0
4.95
4.55
0.5
55
15.3
–
–
2.0
%
ns
ns
ns
ns
–
500
ps
Any 3V66 to Any 3V66 Clock Skew
Measurement at 1.5V
–
250
ps
3V66 Cycle to Cycle Jitter
Measurement at 1.5V
66BUFF
Measurement at 1.5V
Measured between 0.4V and 2.4V
Measurement at 1.5V
Measurement at 1.5V
–
250
ps
T
DC
T
R
/ T
F
T
SKEW
T
CCJ
T
PD
66BUFF Duty Cycle
66BUFF Rise and Fall Times
Any 66BUFF to Any 66BUFF Skew
66BUFF Cycle to Cycle Jitter
66IN to 66BUFF(Propagation Delay) Measurement at 1.5V
45
0.5
–
55
2.0
175
100
4.5
%
ns
ps
ps
ns
2.5
PCI /PCIF
T
DC
T
PERIOD
T
HIGH
T
LOW
T
R
/ T
F
T
SKEW
PCI /PCIF Duty Cycle
PCI /PCIF Period
PCI and PCIF high time
PCI and PCIF low time
PCI and PCIF rise and fall times
Any PCI clock to Any PCI clock Skew Measurement at 1.5V
Measurement at 1.5V
Measured at crossing point V
OX
Measurement at 2.4V
Measurement at 0.4V
Measured between 0.4V and 2.4V
45
30
12.0
12.0
0.5
–
55
%
ns
nS
nS
nS
pS
–
–
2.0
500
AC Electrical Specifications
(continued)
Parameter
Description
Condition
Min.
Max.
Unit