HD74HC221 Ver la hoja de datos (PDF) - Hitachi -> Renesas Electronics
Número de pieza
componentes Descripción
Fabricante
HD74HC221 Datasheet PDF : 8 Pages
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HD74HC221
Pin Arrangement
Logic Diagram
1A 1
1B 2
CLR1 3
1Q 4
2Q 5
Cext 2 6
2 Rext/
Cext
7
GND 8
CLR
Q
Q
Q
Q
CLR
(Top view)
16 VCC
15
1 Rext/
Cext
14 1 Cext
13 1Q
12 2Q
11 2CLR
10 2B
9 2A
VCC
Rext
Cext
A
B
Clear
Cext Rext
/Cext
Q
Q
Clear
Q
2
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