AC Electrical Characteristics (Note 4)
T
A = 25°C, CL = 50 pF, and t = t = 20 ns unless otherwise specified
r
f
Symbol
, t
Parameter
Conditions
Min
Typ
Max
Units
t
Output Transition Time
Propagation Delay Time
V
V
V
= 5V
100
50
200
100
80
ns
ns
ns
TLH THL
DD
DD
DD
= 10V
= 15V
40
t
, t
Trigger Operation—
A or B to Q or Q
PLH PHL
V
V
V
= 5V
300
150
100
600
300
220
ns
ns
ns
DD
DD
DD
= 10V
= 15V
Reset Operation—
C
to Q or Q
D
V
V
V
V
V
V
V
V
V
= 5V
250
125
95
500
250
190
70
60
50
0
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
pF
µs
DD
DD
DD
DD
DD
DD
DD
DD
DD
= 10V
= 15V
= 5V
t
, t
Minimum Input Pulse Width
35
WL WH
A, B, or C
= 10V
= 15V
= 5V
30
D
25
t
Minimum Retrigger Time
Input Capacitance
RR
= 10V
= 15V
0
0
0
C
Pin 2 or 14
10
5
IN
Other Inputs
7.5
PW
V
= 5V
208
226
244
R
= 100 kΩ
Output Pulse Width (Q or Q)
(Note: For Typical Distribution,
see Figure 6)
OUT
DD
X
X
C
= 0.002 µF
V
V
V
V
V
V
V
V
V
V
V
= 10V
= 15V
= 5V
211
216
230
235
9.60
9.80
10.00
0.95
0.97
0.99
±1
248
254
µs
µs
ms
ms
ms
s
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
R
C
= 100 kΩ
= 0.1 µF
8.83
9.02
9.20
0.87
0.89
0.91
10.37
10.59
10.80
1.03
1.05
1.07
X
= 10V
= 15V
= 5V
X
R
C
= 100 kΩ
= 10.0 µF
X
= 10V
= 15V
= 5V
s
X
s
Pulse Width Match between
Circuits in the Same Package
R
C
= 100 kΩ
= 0.1 µF
%
%
%
X
= 10V
= 15V
±1
X
C
= 0.1 µF, R = 100 kΩ
±1
X
X
Operating Conditions
R
C
External Timing Resistance
External Timing Capacitance
5.0
0
(Note 5)
No Limit
kΩ
X
X
pF
Note 4: AC parameters are guaranteed by DC correlated testing.
Note 5: The maximum usable resistance R is a function of the leakage of the Capacitor C , leakage of the CD4538BC, and leakage due to board layout,
X
X
surface resistance, etc.
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6