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74F191 Datasheet(PDF) 3 Page - NXP Semiconductors

Part No. 74F191
Description  Up/down binary counter with reset and ripple clock
Download  14 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74F191 Datasheet(HTML) 3 Page - NXP Semiconductors

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


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