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74HCT423PW Folha de dados(PDF) 9 Page - NXP Semiconductors

Nome de Peças 74HCT423PW
Descrição Electrónicos  Dual retriggerable monostable multivibrator with reset
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Fabricante Electrônico  NXP [NXP Semiconductors]
Página de início  http://www.nxp.com
Logo NXP - NXP Semiconductors

74HCT423PW Folha de dados(HTML) 9 Page - NXP Semiconductors

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74HC_HCT423
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 6 — 19 December 2011
9 of 24
NXP Semiconductors
74HC423; 74HCT423
Dual retriggerable monostable multivibrator with reset
REXT
external timing
resistor
VCC =2.0 V; see Figure 8
10
-
1000
-
-
-
-
k
VCC =5.0 V
2
-
1000
-
-
-
-
k
CEXT
external timing
capacitor
VCC =5.0 V; see Figure 8
[5]
no limits
pF
CPD
power
dissipation
capacitance
per package; VI =GND to VCC
[6]
-
54
-
--
--
pF
74HCT423
tpd
propagation
delay
nA or nB to nQ or nQ; REXT =5k;
CEXT = 0 pF; see Figure 7
VCC =4.5 V
[1]
-30
51
-
64
-
77
ns
VCC =5.0 V; CL =15pF
[1]
-
26
-
--
--
ns
nRD to nQ or nQ; REXT =5k;
CEXT = 0 pF; see Figure 7
[1]
-26
48
-
60
-
72
ns
VCC =4.5 V
[1]
-26
48
-
60
-
72
ns
VCC =5.0 V; CL =15pF
[1]
-
22
-
--
--
ns
tt
transition time
VCC = 4.5 V; Figure 7
[2]
-
7
15
-
19
-
22
ns
tW
pulse width
trigger pulse; nA input LOW; VCC = 4.5 V;
see Figure 7 and Figure 10
20
5
-
25
-
30
-
ns
trigger pulse; nB input HIGH; VCC = 4.5 V;
see Figure 7 and Figure 10
20
5
-
25
-
30
-
ns
reset pulse; nRD input LOW; VCC = 4.5 V;
see Figure 7 and Figure 11
20
7
-
25
-
30
-
ns
output pulse; nQ HIGH or nQ LOW;
VCC =5.0 V; REXT =10k; CEXT =100 nF;
see Figure 7, Figure 10 and Figure 11
-
450
-
-
-
-
-
s
output pulse; nQ HIGH or nQ LOW;
VCC = 5.0 V; REXT =5k; CEXT =0pF;
VI = GND to VCC  1.5 V; see Figure 7,
Figure 10 and Figure 11
[3]
-
75
-
--
--
ns
trtrig
retrigger time
nA or nB input; VCC =5.0 V; REXT =5k;
CEXT = 0 pF; see Figure 10
-110
-
-
-
-
-
ns
REXT
external timing
resistor
VCC =5.0 V; see Figure 8
2
-
1000
-
-
-
-
k
CEXT
external timing
capacitor
VCC =5.0 V; see Figure 8
[5]
no limits
pF
Table 7.
Dynamic characteristics …continued
GND = 0 V; test circuit see Figure 12.
Symbol Parameter
Conditions
25
C
40 C to
+85
C
40 C to
+125
C
Unit
Min
Typ
Max
Min Max Min Max


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