74F545 查看數據表（PDF） - Philips Electronics
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74F545 Datasheet PDF : 10 Pages
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Philips Semiconductors
Octal bidirectional transceiver (with 3-State inputs/outputs)
Product specification
74F545
LOGIC SYMBOL
1 2 3 4 5 6 78
A0 A1 A2 A3 A4 A5 A6 A7
9
OE
11
T/R
B0 B1 B2 B3 B4 B5 B6 B7
VCC = Pin 20
GND = Pin 10
19 18 17 16 15 14 13 12
SF01033
LOGIC DIAGRAM
A0
A1
A2
1
2
3
LOGIC SYMBOL (IEEE/IEC)
9
11
1
2
3
4
5
6
7
8
G3
3EN1
3EN2
1
2
19
18
17
16
15
14
13
12
SF01034
A3
A4
A5
A6
A7
4
5
6
7
8
OE 9
T/R 11
VCC = Pin 20
GND = Pin 10
19
18
B0
B1
17
B2
16
B3
15
B4
FUNCTION TABLE
INPUTS
OE
T/R
L
L
L
H
H
X
H = High voltage level
L = Low voltage level
X = Don’t care
Z = High impedance “off” state
OUTPUTS
Bus B data to Bus A
Bus A data to Bus B
Z
14
13
12
B5
B6
B7
SF01035
1990 Mar 01
3
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