AS1150, AS1151
Data Sheet
austriam
i c r o
systems
AC Electrical Characteristics
AC Electrical Characteristics
V
CC
= +3.0 to +3.6V, C
LOAD
= 15pF, Differential Input Voltage |V
ID
| = 0.2 to 1.0V, Common-Mode Voltage V
CM
= |V
ID
/2|
to 2.4V -|V
ID
/2|, Input Rise and Fall Time = 1ns (20 to 80%), Input Frequency = 100MHz, T
AMB
= -40 to +85ºC. Typical
values are at V
CC
= +3.3V, V
CM
= 1.2V, |V
ID
| = 0.2V, T
AMB
= +25ºC (unless otherwise specified).
Table 3. AC Electrical Characteristics
Parameter
Differential Propagation Delay High-
to-Low
Differential Propagation Delay Low-
to-High
Differential Pulse Skew
(t
PHLD
- t
PLHD
)
3
1, 2
Symbol
t
PHLD
t
PLHD
t
SKD1
t
SKD2
t
SKD3
t
SKD4
t
TLH
t
THL
t
PHZ
t
PLZ
t
PZH
t
PZL
7, 8
Conditions
Figure 18 on page 11
and
Figure 19 on
page 12
Figure 18 on page 11
and
Figure 19 on
page 12
Figure 18 on page 11
and
Figure 19 on
page 12
Figure 18 on page 11
and
Figure 19 on
Min
1.6
1.6
Typ
2.0
2.0
140
Max
3.1
3.1
300
400
0.8
1.5
Unit
ns
ns
ps
ps
ns
ns
ns
ns
ns
ns
ns
ns
MHz
Differential Channel-to-Channel
4
Skew
Differential Part-to-Part Skew
Differential Part-to-Part Skew
Rise Time
Fall Time
Disable Time High-to-Z
Disable Time Low-to-Z
Enable Time Z-to-High
Enable Time Z-to-Low
Maximum Operating Frequency
Notes:
1.
2.
3.
4.
5.
6.
7.
5
6
page 12
Figure 18 on page 11
and
Figure 19 on
page 12
Figure 18 on page 11
and
Figure 19 on
page 12
Figure 18 on page 11
and
Figure 19 on
page 12
Figure 18 on page 11
and
Figure 19 on
page 12
R
LOAD
= 2kΩ,
Figure 20 on page 12
and
Figure 21 on page 12
R
LOAD
= 2kΩ,
Figure 20 on page 12
and
Figure 21 on page 12
R
LOAD
= 2kΩ,
Figure 20 on page 12
and
Figure 21 on page 12
R
LOAD
= 2kΩ,
Figure 20 on page 12
and
Figure 21 on page 12
All Channels Switching
250
300
0.5
0.5
1.0
1.0
14
14
70
70
f
MAX
8.
AC parameters are guaranteed by design and characterization.
C
L
includes scope probe and test jig capacitance.
t
SKD1
is the magnitude difference of differential propagation delays in a channel. t
SKD1
= |t
PHLD
- t
PLHD
|.
t
SKD2
is the magnitude difference of the t
PLHD
or t
PHLD
of one channel and the t
PLHD
or t
PHLD
of any other chan-
nel on the same device.
t
SKD3
is the magnitude difference of any differential propagation delays between devices operating over rated
conditions at the same V
CC
and within 5ºC of each other.
t
SKD4
is the magnitude difference of any differential propagation delays between devices operating over rated
conditions.
f
MAX
generator output conditions:
a. Rise time = fall time = 1ns (0 to 100%)
b. 50% duty cycle
c. V
OH
= +1.3V
d. V
OL
= +1.1V
Output criteria:
a. Duty cycle = 60% to 40%
b. V
OL
= 0.4V (max)
c. V
OH
= 2.7V (min)
d. Load = 15pF
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