MC14538 ONSEMI [ON Semiconductor], MC14538 Datasheet - Page 5

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MC14538

Manufacturer Part Number
MC14538
Description
Dual Precision Retiggerable/Resettable Monostable Multivibrator
Manufacturer
ONSEMI [ON Semiconductor]
Datasheet

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Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î
8. The maximum usable resistance R
9. If C
OPERATING CONDITIONS
External Timing Resistance
External Timing Capacitance
layout and surface resistance. Susceptibility to externally induced noise signals may occur for R
X
V
C
> 15 F, use discharge protection diode per Fig. 11.
R
DD
V
X
X
in
RESET
A
B
2
1
4 (12)
5 (11)
3 (13)
(14)
(15)
V
500 pF
SS
C
A
B
RESET
A
B
RESET
X
V
N1
R
P1
V
DD
SS
X
C
V
X
V
I
Figure 2. Power Dissipation Test Circuit and Waveforms
D
/R
DD
ref1
X
V
X
SS
is a function of the leakage of the capacitor C
R
X
Q
Q
C
Q
Q
X
+
0.1 F
CERAMIC
C1
C
ENABLE
L
V
C
SS
L
Figure 1. Logic Diagram
(1/2 of DevIce Shown)
C
L
http://onsemi.com
CONTROL
C
MC14538B
V
L
ref2
S
S
Q
R
C
R
X
X
5
RESET LATCH
+
C2
ENABLE
V
in
20 ns
X
Q
, leakage of the MC14538B, and leakage due to board
R
R
10%
5.0
0
90%
X
NOTE: Pins 1, 8 and 15 must
> 1 M ..
R
S
OUTPUT
LATCH
be externally grounded
Q
Q
20 ns
Limit
No
(8.)
6 (10)
7 (9)
V
0 V
(9.)
DD
k
F

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