
CY28405-2
Document #: 38-07511 Rev. *C
Page 12 of 16
T
R
/ T
F
XIN Rise and Fall Times
Measured between 0.3V
DD
and 0.7V
DD
As an average over 1
μ
s
duration
Over 150 ms
–
10.0
ns
T
CCJ
XIN Cycle to Cycle Jitter
–
500
ps
L
ACC
CPU at 0.7V
T
DC
T
PERIOD
T
PERIOD
T
PERIOD
T
SKEW
T
CCJ
T
R
/ T
F
Long Term Accuracy
–
300
ppm
CPUT and CPUC Duty Cycle
100-MHz CPUT and CPUC Period
133-MHz CPUT and CPUC Period
200-MHz CPUT and CPUC Period
Any CPUT/C to CPUT/C Clock Skew
CPUT/C Cycle to Cycle Jitter
CPUT and CPUC Rise and Fall Times
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
Measured at crossing point V
OX
Measured from Vol = 0.175 to
Voh = 0.525V
Determined as a fraction of
2*(T
R
-T
F
)/(T
R
+T
F
)
45
55
%
ns
ns
ns
ps
ps
9.9970
7.4978
4.9985
–
–
10.003
7.5023
5.0015
100
125
175
700
ps
T
RFM
Rise/Fall Matching
–
20
%
T
R
T
F
V
HIGH
V
LOW
V
OX
V
OVS
V
UDS
V
RB
SRC
T
DC
T
PERIOD
Rise Time Variation
Fall Time Variation
Voltage High
Voltage Low
Crossing Point Voltage at 0.7V Swing
Maximum Overshoot Voltage
Minimum Undershoot Voltage
Ring Back Voltage
–
–
125
125
850
–
550
ps
ps
mV
mV
mV
V
V
V
Math averages
Figure 7
Math averages
Figure 7
660
–150
250
–
–0.3
–
V
HIGH
+ 0.3
–
0.2
See
Figure 7
. Measure SE
SRCT and SRCC Duty Cycle
100 MHz SRCT and SRCC Period
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
Measured from Vol= 0.175 to
Voh = 0.525V
Determined as a fraction of
2*(T
R
-T
F
)/(T
R
+T
F
)
45
55
%
9.9970
10.003
ns
T
PERIOD
200 MHz SRCT and SRCC Period
4.9985
5.0015
ns
L
ACC
Long Term Accuracy
–
300
ppm
T
CCJ
SRCT/C Cycle to Cycle Jitter
–
125
ps
T
R
/ T
F
SRCT and SRCC Rise and Fall Times
175
700
ps
T
RFM
Rise/Fall Matching
–
20
%
T
R
T
F
V
HIGH
V
LOW
V
OX
V
OVS
V
UDS
V
RB
Rise Time Variation
Fall Time Variation
Voltage High
Voltage Low
Crossing Point Voltage at 0.7V Swing
Maximum Overshoot Voltage
Minimum Undershoot Voltage
Ring Back Voltage
–
–
125
125
850
–
550
ps
ps
mV
mV
mV
V
V
V
Math averages
Figure 7
Math averages
Figure 7
660
–150
250
–
–0.3
–
V
HIGH
+ 0.3
–
0.2
See
Figure 7.
Measure SE
AC Electrical Specifications
(continued)
Parameter
Description
Condition
Min.
Max.
Unit