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M54HC42 Scheda tecnica(PDF) 3 Page - STMicroelectronics

Il numero della parte M54HC42
Spiegazioni elettronici  BCD TO DECIMAL DECODER
PDF  10 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M54HC42 Scheda tecnica(HTML) 3 Page - STMicroelectronics

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FUNCTIONAL TABLE
CODE No.
BCD INPUTS
DECIMAL OUTPUTS
DCBA
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
Y9
0
LLLLL
H
H
H
HHHH
HH
1
L
L
L
H
H
L
H
H
HHHH
HH
2
L
L
H
L
H
H
L
H
HHHH
HH
3
L
L
H
H
HHH
L
HHHH
HH
4
L
H
L
L
HHHH
L
HHH
HH
5
L
H
L
H
HHHH
H
L
HH
HH
6
L
HH
L
HHHH
HH
L
H
HH
7
L
HHH
HHHH
HHH
L
H
H
8
H
L
L
L
HHHH
HHHH
L
H
9
H
L
L
H
HHHH
HHHH
H
L
10
H
L
H
L
HHHH
HHHH
HH
11
H
L
HH
HHHH
HHHH
HH
12
HH
L
L
HHHH
HHHH
HH
13
HH
L
H
HHHH
HHHH
HH
14
HHH
L
HHHH
HHHH
HH
15
HHHH
HHHH
HHHH
HH
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Value
Unit
VCC
Supply Voltage
2 to 6
V
VI
Input Voltage
0 to VCC
V
VO
Output Voltage
0 to VCC
V
Top
Operating Temperature: M54HC Series
M74HC Series
-55 to +125
-40 to +85
oC
oC
tr,tf
Input Rise and Fall Time
VCC = 2 V
0 to 1000
ns
VCC = 4.5 V
0 to 500
VCC = 6 V
0 to 400
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC
Supply Voltage
-0.5 to +7
V
VI
DC Input Voltage
-0.5 to VCC + 0.5
V
VO
DC Output Voltage
-0.5 to VCC + 0.5
V
IIK
DC Input Diode Current
± 20
mA
IOK
DC Output Diode Current
± 20
mA
IO
DC Output Source Sink Current Per Output Pin
± 25
mA
ICC or IGND
DC VCC or Ground Current
± 50
mA
PD
Power Dissipation
500 (*)
mW
Tstg
Storage Temperature
-65 to +150
oC
TL
Lead Temperature (10 sec)
300
oC
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied.
(*) 500 mW:
≅ 65 oC derate to 300 mW by 10mW/oC: 65 oCto 85 oC
M54/M74HC42
3/10



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