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MC74LCX16240(2012) 데이터 시트보기 (PDF) - ON Semiconductor
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MC74LCX16240
(Rev.:2012)
Low-Voltage CMOS 16-Bit Buffer
ON Semiconductor
MC74LCX16240 Datasheet PDF : 7 Pages
1
2
3
4
5
6
7
MC74LCX16240
OE1
1
O0
2
O1
3
GND
4
O2
5
O3
6
V
CC
7
O4
8
O5
9
GND
10
O6
11
O7
12
O8
13
O9
14
GND
15
O10
16
O11
17
V
CC
18
O12
19
O13
20
GND
21
O14
22
O15
23
OE4
24
48
OE2
47
D0
46
D1
45
GND
44
D2
43
D3
42
V
CC
41
D4
40
D5
39
GND
38
D6
37
D7
36
D8
35
D9
34
GND
33
D10
32
D11
31
V
CC
30
D12
29
D13
28
GND
27
D14
26
D15
25
OE3
Figure 1. Pinout: TSSOP
−
48
(Top View)
Table 1. PIN NAMES
Pins
OEn
D0
−
D15
O0
−
O15
Function
Output Enable Inputs
Inputs
Outputs
1
OE1
48
OE2
D0:3
D4:7
25
OE3
24
OE4
O0:3 D8:11
O8:11
O4:7 D12:15
O12:15
One of Four
Figure 2. Logic Diagram
TRUTH TABLE
OE1
D0:3
O0:3
OE2
D4:7
O4:7
OE3
D8:11
O8:11
OE4 D12:15
L
L
H
L
L
H
L
L
H
L
L
L
H
L
L
H
L
L
H
L
L
H
H
X
Z
H
X
Z
H
X
Z
H
X
H
=
High Voltage Level
L
=
Low Voltage Level
Z
=
High Impedance State
X
=
High or Low Voltage Level and Transitions are Acceptable; for I
CC
reasons, DO NOT FLOAT Inputs
O12:15
H
L
Z
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