CY28419 Cypress Semiconductor, CY28419 Datasheet - Page 12

• Manufacturer Part Number: CY28419
• Description: Clock Synthesizer
• Manufacturer: Cypress Semiconductor

Document #: 38-07444 Rev. *D
AC Electrical Specifications
CPU at 0.7V
T
T
T
T
T
T
T
T
T
∆T
∆T
V
V
V
V
V
V
SRC
T
T
T
T
L
T
T
∆T
∆T
V
V
V
V
V
V
3V66
T
T
T
T
T
T
T
T
Parameter
DC
PERIOD
PERIOD
PERIOD
PERIOD
SKEW
CCJ
R
RFM
DC
PERIOD
PERIOD
CCJ
ACC
R
RFM
DC
PERIOD
PERIOD
HIGH
LOW
R
SKEW
CCJ
HIGH
LOW
OX
OVS
UDS
RB
HIGH
LOW
OX
OVS
UDS
RB
/T
R
F
R
F
/ T
/ T
F
F
F
CPUT and CPUC Duty Cycle
100-MHz CPUT and CPUC Period Measured at crossing point V
133-MHz CPUT and CPUC Period Measured at crossing point V
166-MHz CPUT and CPUC Period Measured at crossing point V
200-MHz CPUT and CPUC Period Measured at crossing point V
Any CPU to CPU Clock Skew
CPU Cycle-to-Cycle Jitter
CPUT/CPUC Rise and Fall Times Measured from V
Rise/Fall Matching
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
SRCT and SRCC Duty Cycle
100-MHz SRCT and SRCC Period Measured at crossing point V
200-MHz SRCT and SRCC Period Measured at crossing point V
SRC Cycle-to-Cycle Jitter
SRCT/C Long-term Accuracy
SRCT/SRCT\C Rise and Fall Times Measured from V
Rise/Fall Matching
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
3V66 Duty Cycle
Spread Disabled 3V66 Period
Spread Enabled 3V66 Period
3V66 High Time
3V66 Low Time
3V66 Rise and Fall Times
Any 3V66 to Any 3V66 Clock Skew Measurement at 1.5V
3V66 Cycle-to-Cycle Jitter
Description
(continued)
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Determined as a fraction of 2*(T
Math average, see Figure 7
Math average, see Figure 7
See Figure 7. Measure SE
Measured at crossing point V
Measured at crossing point V
Measured at crossing point V
Determined as a fraction of 2*(T
Math average, see Figure 7
Math average, see Figure 7
See Figure 7. Measure SE
Measurement at 1.5V
Measurement at 1.5V
Measurement at 1.5V
Measurement at 2.0V
Measurement at 0.8V
Measured between 0.8V and 2.0V
Measurement at 1.5V
OL
OL
Conditions
= 0.175 to V
= 0.175 to V
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
R
R
OH
OH
–T
–T
= 0.525V
= 0.525V
F
F
)/ (T
)/ (T
R
R
+T
+T
F
F
)
)
14.9955
14.9955
9.9970
7.4978
5.9982
4.9985
9.9970
4.9985
4.9500
4.5500
–150
–150
Min.
–0.3
–0.3
175
660
250
175
660
250
0.5
45
45
45
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
V
V
HIGH
15.0045
15.0799
HIGH
10.003
7.5023
6.0018
5.0015
10.003
5.0015
Max.
CY28419
100
125
700
125
125
850
550
125
300
700
125
125
850
550
250
250
Page 12 of 16
0.2
0.2
2.0
55
20
55
20
55
–
–
–
–
–
–
+ 0.3
+0.3
Unit
ppm
mV
mv
mv
mv
mv
mv
ns
ns
ns
ns
ps
ps
ps
ps
ps
ns
ns
ps
ps
ps
ps
ns
ns
ns
ns
ns
ps
ps
%
%
%
%
%
V
V
V
V
V
V