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| 74F620 Datasheet, PDF (4/12 Pages) NXP Semiconductors – Octal bus transceiver, inverting 3tate | |||
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Philips Semiconductors
Transceivers
Product specification
74F620/74F623
LOGIC DIAGRAM â 74F620
19
OEBA
OEAB 1
A0 2
A1 3
A2 4
A3 5
A4 6
A5 7
A6 8
A7 9
VCC = Pin 20
GND = Pin 10
18 B0
17 B1
16
B2
15 B3
14 B4
13
B5
12 B6
11 B7
SF01129
FUNCTION TABLE
INPUTS
OPERATING MODES
OEBA OEAB
74F620
74F623
L
L
B data to A bus
B data to A bus
H
H
A data to B bus
A data to B bus
H
L
Z
Z
B data to A bus
L
H
A data to B bus
H = High voltage level
L = Low voltage level
X = Donât care
Z = High impedance âoffâ state
B data to A bus
A data to B bus
LOGIC DIAGRAM â 74F623
19
OEBA
OEAB 1
A0 2
A1 3
A2 4
A3 5
A4 6
A5 7
A6 8
A7 9
VCC = Pin 20
GND = Pin 10
18 B0
17 B1
16
B2
15 B3
14 B4
13
B5
12 B6
11 B7
SF01130
1990 Apr 6
4
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