7442.TXT

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Dekoder - BCD zu Dezimal
Decoder - BCD to decimal
16

0
1
2
3
4
5
6
GND
7
8
9
D3
D2
D1
D0
VCC
'Beschreibung-E:
These monolithic decimal decoders consist ofeight inverters and ten four-input NAND date.The inverters are connected in pairs to makeBCD input data available for decoding by theNAND gates. Full decoding of valid input logicensures that all outputs remain off for allinvalid conditions.
'Funktionstabelle:
 5 ,17,4
D3,D2,D1,D0,Q=L
L,L,L,L,0
L,L,L,H,1
L,L,H,L,2
L,L,H,H,3
L,H,L,L,4
L,H,L,H,5
L,H,H,L,6
L,H,H,H,7
H,L,L,L,8
H,L,L,H,9
H,L,H,L,-
H,L,H,H,-
H,H,L,L,-
H,H,L,H,-
H,H,H,L,-
H,H,H,H,-
'Ende
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