744ALS245A-1D Просмотр технического описания (PDF) - Philips Electronics
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744ALS245A-1D Datasheet PDF : 10 Pages
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Philips Semiconductors
Octal transceiver (3-State)
Product specification
74ALS245A/74ALS245A-1
LOGIC SYMBOL
IEC/IEEE SYMBOL
234567 89
19
G3
3EN1 [BA]
1
3EN2 [AB]
A0 A1 A2 A3 A4 A5 A6 A7
19
OE
1
T/R
B0 B1 B2 B3 B4 B5 B6 B7
VCC = Pin 20
GND = Pin 10
18 17 16 15 14 13 12 11
SF00199
∇1
2
18
2∇
3
17
4
16
5
15
6
14
7
13
8
12
9
11
SC00097
LOGIC DIAGRAM
A0
A1
A2
A3
A4
A5
A6
A7
2
3
4
5
6
7
8
9
OE 19
1
T/R
VCC = Pin 20
GND = Pin 10
18
B0
17
B1
16
B2
15
B3
14
B4
13
B5
12
B6
11
B7
FUNCTION TABLE
INPUTS
OE
T/R
OUTPUTS
L
L
Bus B data to Bus A
L
H
Bus A data to Bus B
H
X
Z
H = High voltage level
L = Low voltage level
X = Don’t care
Z = High impedance “off” state
SF00201
1991 Jun 03
3
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