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SN74LS390D 数据表(PDF) 3 Page - ON Semiconductor

部件名 SN74LS390D
功能描述  DUAL DECADE COUNTER; DUAL 4-STAGE BINARY COUNTER
PDF  5 Pages
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制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
标志 ONSEMI - ON Semiconductor

SN74LS390D 数据表(HTML) 3 Page - ON Semiconductor

  SN74LS390D Datasheet HTML 1Page - ON Semiconductor SN74LS390D Datasheet HTML 2Page - ON Semiconductor SN74LS390D Datasheet HTML 3Page - ON Semiconductor SN74LS390D Datasheet HTML 4Page - ON Semiconductor SN74LS390D Datasheet HTML 5Page - ON Semiconductor  
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5-3
FAST AND LS TTL DATA
SN54/74LS390
• SN54/74LS393
SN54 / 74LS390 BCD
TRUTH TABLE
(Input on CP0; Q0 CP1)
SN54/ 74LS390
÷5
TRUTH TABLE
(Input on CP1)
SN54 / 74LS393
TRUTH TABLE
COUNT
OUTPUTS
Q3 Q2 Q1 Q0
0
1
2
3
4
5
6
7
8
9
L
L
L
L
L
L
L
L
H
H
L
L
H
H
L
L
H
H
L
L
L
H
L
H
L
H
L
H
L
H
L
L
L
L
H
H
H
H
L
L
COUNT
OUTPUTS
Q3 Q2 Q1
0
1
2
3
4
L
L
L
L
H
L
H
L
H
L
L
L
H
H
L
COUNT
OUTPUTS
Q3 Q2 Q1 Q0
0
1
2
3
4
5
6
7
8
9
10
11
L
L
L
L
H
H
H
H
H
H
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
H
L
H
L
H
L
H
L
H
L
H
L
L
L
L
L
L
L
L
H
H
H
H
12
13
14
15
L
L
L
L
L
L
H
H
L
H
L
H
H
H
H
H
SN54 / 74LS390
÷10 (50% @ Q0)
TRUTH TABLE
(Input on CP1, Q3 to CP0)
COUNT
OUTPUTS
Q3 Q2 Q1 Q0
0
1
2
3
4
5
6
7
8
9
L
L
L
L
H
L
L
L
L
H
L
H
L
H
L
L
H
L
H
L
L
L
L
L
L
H
H
H
H
H
L
L
H
H
L
L
L
H
H
L
H = HIGH Voltage Level
L = LOW Voltage Level
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min
Typ
Max
Unit
VCC
Supply Voltage
54
74
4.5
4.75
5.0
5.0
5.5
5.25
V
TA
Operating Ambient Temperature Range
54
74
–55
0
25
25
125
70
°C
IOH
Output Current — High
54, 74
– 0.4
mA
IOL
Output Current — Low
54
74
4.0
8.0
mA



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