74F191 Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
fabricante
74F191 Datasheet PDF : 14 Pages
| |||
Philips Semiconductors
Up/Down binary counter with reset and ripple clock
Product specification
74F191
LOGIC SYMBOL
15 1 10 9
4
D0 D1 D2 D3
CE
5
U/D
RC 13
14
CP
TC
12
11 PL
Q0 Q1 Q2 Q3
VCC=Pin 16
GND=Pin 8
326
7
SF00730
LOGIC DIAGRAM
D0
D1
PL 11
15
1
LOGIC SYMBOL (IEEE/IEC)
4
EN1 CTR DIV 10
5
M2[DOWN]
2(CT=0)Z6
12
M3[UP]
3(CT=15)Z6
14
1,2–/1,3+
6, 4, 1
13
G4
11
C5 [LOAD]
15
5D
[1]
+–
3
1
[2]
2
10
[4]
6
9
[8]
7
SF00731
D2
D3
10
9
U/D 5
4
CE
14
CP
J
K
CP
SD
RD
Q
Q
13
12
3
VCC = Pin 16
RC TC
Q0
GND = Pin 8
J
K
CP
SD
RD
Q
Q
2
Q1
J
K
CP
SD
RD
Q
Q
6
Q2
J
K
CP
SD
RD
Q
Q
7
Q3
SF00732
1995 Jul 17
3
Share Link: 