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MC74LCX16244(2012) 查看數據表(PDF) - ON Semiconductor
零件编号
产品描述 (功能)
生产厂家
MC74LCX16244
(Rev.:2012)
Low-Voltage CMOS 16-Bit Buffer
ON Semiconductor
MC74LCX16244 Datasheet PDF : 7 Pages
1
2
3
4
5
6
7
MC74LCX16244
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
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
Figure 1. Pinout: 48
−
Lead
(Top View)
TRUTH TABLE
OE1
D0:3
O0:3
OE2
D4:7
O4:7
OE3
D8:11 O8:11
OE4
L
L
L
L
L
L
L
L
L
L
L
H
H
L
H
H
L
H
H
L
H
X
Z
H
X
Z
H
X
Z
H
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.
D12:15
L
H
X
O12:15
L
H
Z
http://onsemi.com
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