CY28410-2 Cypress Semiconductor, CY28410-2 Datasheet - Page 14

• Manufacturer Part Number: CY28410-2
• Description: Clock Generator
• Manufacturer: Cypress Semiconductor

Document #: 38-07747 Rev *.*
AC Electrical Specifications
Test and Measurement Set-up
For Differential CPU, SRC and DOT96 Output Signals
The following diagram shows the test load configuration for the
differential CPU and SRC outputs.
V
V
V
V
V
USB
T
T
T
T
T
T
T
L
REF
T
T
T
T
T
ENABLE/DISABLE and SET-UP
T
T
T
ACC
DC
PERIOD
PERIODAbs
HIGH
LOW
R
CCJ
DC
PERIOD
PERIODAbs
R
CCJ
STABLE
SS
SH
LOW
OX
OVS
UDS
RB
Parameter
/ T
/ T
F
F
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
Rise and Fall Times
Cycle to Cycle Jitter
USB Long Term Accuracy
REF Duty Cycle
REF Period
REF Absolute Period
REF Rise and Fall Times
REF Cycle to Cycle Jitter
Clock Stabilization from Power-up
Stopclock Set-up Time
Stopclock Hold Time
D O T 9 6 C
D O T 9 6 T
C P U C
S R C C
IR E F
C P U T
S R C T
Description
4 7 5 Ω
4 9 .9 Ω
3 3 Ω
Figure 7. 0.7V Single-ended Load Configuration
(continued)
3 3 Ω
4 9 .9 Ω
1 0 0 Ω D iff e r e n tia l
Math averages Figure 7
See Figure 7. 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
Condition
2 p F
2 p F
M e a s u r e m e n t
M e a s u r e m e n t
P o in t
P o in t
20.83125 20.83542
20.48125 21.18542
68.82033 70.86224
69.8203
8.094
7.694
0.475
–150
Min.
–0.3
0.35
10.0
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250
45
45
–
–
–
–
–
–
0
CY28410-2
69.8622
V
10.036
Page 14 of 17
9.836
Max.
1000
HIGH
550
350
100
0.3
0.2
1.4
2.0
1.8
55
55
–
–
–
–
+
Unit
ppm
V/ns
mV
mV
ms
ns
ns
ns
ns
ns
ps
ns
ns
ps
ns
ns
%
%
V
V
V