AC Electrical Characteristics
V
T
25 C
Typ
T
A
40 C to 85 C
Figure
CC
A
Symbol
Parameter
Units
Conditions
(V)
1.65
Min
2.0
2.0
0.8
0.5
0.5
1.5
0.8
Max
11.5
9.5
6.5
4.5
3.9
5.0
4.3
Min
Max
12.0
10
Number
t
t
,
Propagation Delay
5.3
4.4
2.9
2.3
1.9
2.9
2.4
4
2.0
2.0
0.8
0.5
0.5
1.5
0.8
PLH
1.8
PHL
Figures
1, 3
2.5 0.2
3.3 0.3
5.0 0.5
3.3 0.3
5.0 0.5
0
7.0
4.7
4.1
5.2
4.5
ns
C
R
15 pF,
1 M
L
L
t
t
Propagation Delay
C
R
50 pF,
500
PLH,
PHL
L
Figures
1, 3
ns
L
C
Input Capacitance
Power Dissipation
Capacitance
pF
IN
C
3.3
23
PD
pF (Note 4)
Figure 2
5.0
30
Note 4: C is defined as the value of the internal equivalent capacitance which is derived from dynamic operating current consumption (I
) at no output
PD
CCD
loading and operating at 50% duty cycle. (See Figure 2.) C is related to I
dynamic operating current by the expression:
CCD
PD
I
(C )(V )(f
)
(I static).
CC
CCD
PD
CC IN
AC Loading and Waveforms
C
includes load and stray capacitance
L
Input PRR 1.0 MHz; t
500 ns
w
FIGURE 1. AC Test Circuit
FIGURE 3. AC Waveforms
Input AC Waveform; t
t
1.8 ns;
r
f
PRR 10 MHz; Duty Cycle 50%
FIGURE 2. ICCD Test Circuit
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