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74F1805 Просмотр технического описания (PDF) - Philips Electronics
Номер в каталоге
Компоненты Описание
производитель
74F1805
Hex 2-input NOR drivers
Philips Electronics
74F1805 Datasheet PDF : 8 Pages
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Philips Semiconductors
Hex 2-input NOR drivers
PIN CONFIGURATION
74F1805
D4b
1
Q5
2
D5a
3
D5b
4
V
CC
5
D0a 6
D0b 7
Q0 8
D1a 9
D1b 10
20 D4a
19 Q4
18 D3b
17 D3a
16 Q3
15 GND
14 Q2
13 D2b
12 D2a
11 Q1
SF00459
LOGIC SYMBOL
74F1805
6 7 9 10 12 13 17 18 20 1 3 4
D0a D0bD1a D1bD2a D2b D3a D3bD4a D4bD5a D5b
Q0 Q1 Q2 Q3 Q4 Q5
8 11 14 16 19 2
V
CC
= Pin 5
GND = Pin 15
SF00460
IEC/IEEE SYMBOL
6
7
9
10
12
13
17
18
20
1
3
4
74F1805
1
8
11
14
16
19
2
SF00461
Product specification
74F805/74F1805
LOGIC DIAGRAM
74F805
D0a
1
D0b
2
3
QO
4
D1a
D1b
5
6
Q1
7
D2a
D2b
8
9
Q2
12
D3a
D3b
13
15
D4a
D4b
16
11
Q3
14
Q4
18
D5a
D5b
19
17
Q5
V
CC
= Pin 20
GND = Pin 10
74F1805
D0a
6
D0b
7
9
D1a
D1b
10
12
D2a
D2b
13
17
D3a
D3b
18
20
D4a
D4b
1
3
D5a
D5b
4
V
CC
= Pin 5
GND = Pin 15
8
QO
11
Q1
14
Q2
16
Q3
19
Q4
2
Q5
SF00462
FUNCTION TABLE
INPUTS
Dna
Dnb
H
X
X
H
L
L
Notes to function table
H = High voltage level
L = Low voltage level
X = Don’t care
OUTPUT
Qn
L
L
H
September 14, 1990
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