74F198 Просмотр технического описания (PDF) - Philips Electronics
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74F198 Datasheet PDF : 12 Pages
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Philips Semiconductors
8-bit bidirectional universal shift register
Product specification
74F198
LOGIC SYMBOL
2 3 5 7 9 15 17 19 21 22
DSR D0 D1 D2 D3 D4 D5 D6 D7 DSL
13
MR
1
S0
23
S1
11
CP
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
VCC = Pin 24
GND = Pin 12
4 6 8 10 14 16 18 20
SF00161
IEC/IEEE SYMBOL
SRG8
13
R
1
23
0 M0
13
11
C4
1 → /2 ←
2
1, 4D
3
3, 4D
5
3, 4D
7
9
15
17
19
21
3, 4D
22
2, 4D
4
6
8
10
14
16
18
20
SF00162
FUNCTION TABLE
INPUTS
OUTPUTS
MODE
SERIAL
MR
CP
S0
S1
LEFT
RIGHT
PARALLEL
0…7
Q0
Q1
…
Q6
Q7
L
X
X
X
X
X
X
L
L
L
L
H
X
X
L
X
X
X
Q00
Q10
Q60
Q70
H
H
H
↑
X
X
0…7
0
1
6
7
H
H
L
↑
X
H
X
H
Q0n
Q5n
Q6n
H
H
L
↑
X
L
X
L
Q0n
Q5n
Q6n
H
L
H
↑
H
X
X
Q1n
Q2n
Q7n
H
H
L
H
↑
L
X
X
Q1n
Q2n
Q7n
L
H
L
L
X
X
X
X
Q00
Q10
Q60
Q70
H
= High voltage level
L
= Low voltage level
X
= Don’t care
↑
= Low-to-High transition of designated input
0…7 = The level of steady input at inputs 0 through 7, respectively.
Q00, Q10, Q60, Q70 = The level of Q0, Q1, Q6, Q7, respectively, before the indicated steady state input conditions were established.
Q0n, Q1n, Q6n, Q7n = The level of Q0, Q1, Q6, Q7, respectively, before the most recent Low-to-High clock transition.
October 2, 1987
3
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