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74HC/HCT4538 Folha de dados(PDF) 7 Page - NXP Semiconductors

Nome de Peças 74HC/HCT4538
Descrição Electrónicos  Dual retriggerable precision monostable multivibrator
PDF  13 Pages
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Fabricante Electrônico  PHILIPS [NXP Semiconductors]
Página de início  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74HC/HCT4538 Folha de dados(HTML) 7 Page - NXP Semiconductors

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September 1993
7
Philips Semiconductors
Product specification
Dual retriggerable precision monostable
multivibrator
74HC/HCT4538
NON-STANDARD DC CHARACTERISTICS FOR 74HC
Voltages are referenced to GND (ground = 0 V)
Note
1. This measurement can only be carried out after a trigger pulse is applied.
trt
retrigger time
nA0,nA1
−
−
−
455+X
80+X
55+X
−
−
−
−
−
−
ns
2.0
4.5
6.0
Fig.8
X=CEXT /
(4.5
× VCC)
REXT
external timing
resistor
10
2
1000
1000
k
Ω
2.0
5.0
CEXT
external timing
capacitor
no limits
pF
5.0
SYMBOL
PARAMETER
Tamb (°C)
UNIT
TEST CONDITIONS
74HC
VCC
(V)
VI
(V)
OTHER
+25
−40 to +85 −40 to +125
min. typ max. min. max. min.
max.
±I
I
input leakage current
nRCEXT
0.5
5.0
10.0
µA
6.0
2.0
or
GND
VCC or GND;
note 1
SYMBOL
PARAMETER
Tamb (°C)
UNIT
TEST CONDITIONS
74HC
VCC
(V)
OTHER
+25
−40 to +85
−40 to +125
min.
typ.
max.
min.
max.
min.
max.



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