CY28409
Document #: 38-07445 Rev. *D Page 13 of 17
CPU at 0.7V
T
DC
CPUT and CPUC Duty Cycle Measured at crossing point V
OX
45 55 %
T
PERIOD
100-MHz CPUT and CPUC Period Measured at crossing point V
OX
9.9970 10.003 ns
T
PERIOD
133-MHz CPUT and CPUC Period Measured at crossing point V
OX
7.4978 7.5023 ns
T
PERIOD
200-MHz CPUT and CPUC Period Measured at crossing point V
OX
4.9985 5.0015 ns
T
SKEW
Any CPUT/C to CPUT/C Clock Skew Measured at crossing point V
OX
–100ps
T
CCJ
CPUT/C Cycle to Cycle Jitter Measured at crossing point V
OX
–125ps
T
R
/ T
F
CPUT and CPUC Rise and Fall Times Measured from V
OL
= 0.175 to V
OH
= 0.525V 175 700 ps
T
RFM
Rise/Fall Matching Determined as a fraction of 2*(T
R
– T
F
)/(T
R
+ T
F
)– 20 %
∆T
R
Rise Time Variation – 125 ps
∆T
F
Fall Time Variation – 125 ps
V
HIGH
Voltage High Math averages Figure 11 660 850 mV
V
LOW
Voltage Low Math averages Figure 11 –150 – mV
V
OX
Crossing Point Voltage at 0.7V Swing 250 550 mV
V
OVS
Maximum Overshoot Voltage – V
HIGH
+ 0.3 V
V
UDS
Minimum Undershoot Voltage –0.3 – V
V
RB
Ring Back Voltage See Figure 11. Measure SE – 0.2 V
SRC
T
DC
SRCT and SRCC Duty Cycle Measured at crossing point V
OX
45 55 %
T
PERIOD
100 MHz SRCT and SRCC Period Measured at crossing point V
OX
9.9970 10.003 ns
T
PERIOD
200 MHz SRCT and SRCC Period Measured at crossing point V
OX
4.9985 5.0015 ns
T
CCJ
SRCT/C Cycle to Cycle Jitter Measured at crossing point V
OX
–125ps
L
ACC
SRCT/C Long Term Accuracy Measured at crossing point V
OX
– 300 ppm
T
R
/ T
F
SRCT and SRCC Rise and Fall Times Measured from V
OL
= 0.175 to V
OH
= 0.525V 175 700 ps
T
RFM
Rise/Fall Matching Determined as a fraction of 2*(T
R
– T
F
)/(T
R
+ T
F
)– 20 %
∆T
R
Rise Time Variation – 125 ps
∆T
F
Fall Time Variation – 125 ps
V
HIGH
Voltage High Math averages Figure 11 660 850 mV
V
LOW
Voltage Low Math averages Figure 11 –150 – mV
V
OX
Crossing Point Voltage at 0.7V Swing 250 550 mV
V
OVS
Maximum Overshoot Voltage – V
HIGH
+ 0.3 V
V
UDS
Minimum Undershoot Voltage –0.3 – V
V
RB
Ring Back Voltage See Figure 11. Measure SE – 0.2 V
3V66
T
DC
3V66 Duty Cycle Measurement at 1.5V 45 55 %
T
PERIOD
Spread Disabled 3V66 Period Measurement at 1.5V 14.9955 15.0045 ns
T
PERIOD
Spread Enabled 3V66 Period Measurement at 1.5V 14.9955 15.0799 ns
T
HIGH
3V66 High Time Measurement at 2.0V 4.9500 – ns
T
LOW
3V66 Low Time Measurement at 0.8V 4.5500 – ns
T
R
/ T
F
3V66 Rise and Fall Times Measured between 0.8V and 2.0V 0.5 2.0 ns
T
SKEW
Any 3V66 to Any 3V66 Clock Skew Measurement at 1.5V – 250 ps
T
CCJ
3V66 Cycle to Cycle Jitter Measurement at 1.5V – 250 ps
PCI/PCIF
T
DC
PCI Duty Cycle Measurement at 1.5V 45 55 %
T
PERIOD
Spread Disabled PCIF/PCI Period Measurement at 1.5V 29.9910 30.0009 ns
T
PERIOD
Spread Enabled PCIF/PCI Period Measurement at 1.5V 29.9910 30.1598 ns
T
HIGH
PCIF and PCI high time Measurement at 2.0V 12.0 – ns
T
LOW
PCIF and PCI low time Measurement at 0.8V 12.0 – ns
AC Electrical Specifications (continued)
Parameter Description Condition Min. Max. Unit
