MC74LCX16374 查看數據表（PDF） - ON Semiconductor
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MC74LCX16374
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MC74LCX16374 Datasheet PDF : 8 Pages
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OE1 1
O0 2
O1 3
GND 4
O2 5
O3 6
VCC 7
O4 8
O5 9
GND 10
O6 11
O7 12
O8 13
O9 14
GND 15
O10 16
O11 17
VCC 18
O12 19
O13 20
GND 21
O14 22
O15 23
OE2 24
48 CP1
47 D0
46 D1
45 GND
44 D2
43 D3
42 VCC
41 D4
40 D5
39 GND
38 D6
37 D7
36 D8
35 D9
34 GND
33 D10
32 D11
31 VCC
30 D12
29 D13
28 GND
27 D14
26 D15
25 CP2
Figure 1. Pinout: 48−Lead
(Top View)
MC74LCX16374
1
OE1
48
CP1
47
D0
nCP
Q
D
2
O0
24
OE2
25
CP2
36
D8
nCP
Q
D
46
D1
nCP
Q
D
3
O1
35
D9
nCP
Q
D
44
D2
nCP
Q
D
5
O2
33
D10
nCP
Q
D
43
D3
nCP
Q
D
6
O3
32
D11
nCP
Q
D
41
D4
nCP
Q
D
8
O4
30
D12
nCP
Q
D
40
D5
nCP
Q
D
9
O5
29
D13
nCP
Q
D
38
D6
nCP
Q
D
11
O6
27
D14
nCP
Q
D
37
D7
nCP
Q
D
12
O7
26
D15
nCP
Q
D
Figure 2. Logic Diagram
13
O8
14
O9
16
O10
17
O11
19
O12
20
O13
22
O14
23
O15
Table 1. PIN NAMES
Pins
OEn
CPn
D0−D15
O0−O15
Function
Output Enable Inputs
Clock Pulse Inputs
Inputs
Outputs
TRUTH TABLE
Inputs
CP1
OE1
D0:7
↑
L
H
↑
L
L
L
L
X
X
H
X
Outputs
O0:7
H
L
O0
Z
Inputs
CP2
OE2
D8:15
↑
L
H
↑
L
L
L
L
X
X
H
X
H = High Voltage Level
L = Low Voltage Level
Z = High Impedance State
↑ = Low−to−High Transition
X = High or Low Voltage Level and Transitions Are Acceptable; for ICC reasons, DO NOT FLOAT Inputs
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2
Outputs
O8:15
H
L
O0
Z
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