cy28442-2 Cypress Semiconductor Corporation., cy28442-2 Datasheet - Page 18

• Manufacturer Part Number: cy28442-2
• Description: Clock Generator For Intel Alviso Chipset
• Manufacturer: Cypress Semiconductor Corporation.

Document #: 38-07691 Rev. *B
AC Electrical Specifications
Test and Measurement Set-up
For PCI Single-ended Signals and Reference
The following diagram shows the single-ended PCI outputs.
T
T
∆T
∆T
V
V
V
V
V
V
USB
T
T
T
T
T
T
T
REF
T
T
T
T
T
ENABLE/DISABLE and SET-UP
T
T
T
R
RFM
DC
PERIOD
PERIODAbs
HIGH
LOW
R
CCJ
DC
PERIOD
PERIODAbs
R
CCJ
STABLE
SS
SH
HIGH
LOW
OX
OVS
UDS
RB
Parameter
R
F
/ T
/ T
/ T
F
F
F
DOT96T and DOT96C Rise and Fall
Time
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
Duty Cycle
Period
Absolute Period
USB high time
USB low time
Rising and Falling Edge Rate
Cycle to Cycle Jitter
REF Duty Cycle
REF Period
REF Absolute Period
REF Rising and Falling Edge Rate
REF Cycle to Cycle Jitter
Clock Stabilization from Power-up
Stopclock Set-up Time
Stopclock Hold Time
2.4V
1.5V
0.4V
Description
Tr
Figure 14. Single-ended PCI Lumped Load Configuration
(continued)
3.3V
tDC
Tf
0V
Measured from V
V
Determined as a fraction of
2*(T
Math averages Figure 15
Math averages Figure 15
See Figure 15. Measure SE
Measurement at 1.5V
Measurement at 1.5V
Measurement at 1.5V
Measurement at 2.4V
Measurement at 0.4V
Measured between 0.8V and 2.0V
Measurement at 1.5V
Measurement at 1.5V
Measurement at 1.5V
Measurement at 1.5V
Measured between 0.8V and 2.0V
Measurement at 1.5V
OH
R
= 0.525V
– T
F
)/(T
R
Output under Test
Condition
+ T
OL
F
= 0.175 to
)
Probe
Load
Cap
30
pF
20.83125
20.48125
68.82033
69.8203
8.094
7.694
–150
Min.
–0.3
10.0
175
660
250
1.0
1.0
45
45
–
–
–
–
–
–
–
–
0
CY28442-2
20.83542
21.18542
70.86224
69.8622
V
10.036
9.836
Page 18 of 21
Max.
HIGH
1000
700
125
125
850
550
350
0.3
0.2
2.0
4.0
1.8
55
20
55
–
–
–
–
+
V/ns
V/ns
Unit
mV
mV
mV
ms
ps
ps
ps
ns
ns
ns
ns
ps
ns
ns
ps
ns
ns
%
%
%
V
V
V
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