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參數(shù)資料
| 型號(hào)： | MM54C93J |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | 4-Bit Decade, Binary Counter |
| 中文描述： | CMOS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP BINARY COUNTER, CDIP14 |
| 封裝： | CERAMIC, DIP-14 |
| 文件頁(yè)數(shù)： | 4/6頁(yè) |
| 文件大?。?/td> | 124K |
| 代理商： | MM54C93J |
Switching Time Waveforms
TL/F/5889–7
Note 1:
MM54C90, MM74C90 and MM54C93,
MM74C93 are solid line waveforms. Dashed line
waveforms are for MM54C90/MM74C90 only.
Truth Table
MM54C90/MM74C90 4-Bit Decade Counter
BCD Count Sequence
Count
Output
Q
D
Q
C
Q
B
Q
A
0
1
2
3
4
5
6
7
8
9
L
L
L
L
L
L
L
L
H
H
L
L
L
L
H
H
H
H
L
L
L
L
H
H
L
L
H
H
L
L
L
H
L
H
L
H
L
H
L
H
Output Q
A
is connected to Input B for
BCD count.
H
e
High Level
L
e
Low Level
X
e
Irrelevant
Reset/Count Function Table
Reset Inputs
Output
R
01
R
02
R
91
R
92
Q
D
Q
C
Q
B
Q
A
H
H
X
X
L
L
X
H
H
X
L
X
X
L
L
X
H
X
L
X
L
X
L
H
L
X
L
X
L
L
H
L
L
L
Count
Count
Count
Count
L
L
L
L
L
H
MM54C93/MM74C93 4-Bit Binary Counter
Binary Count Sequence
Count
Output
Q
D
Q
C
Q
B
Q
A
0
1
2
3
4
5
6
7
8
9
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
L
L
L
L
H
H
H
H
L
L
L
L
H
H
H
H
L
L
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
H
L
H
10
11
12
13
14
15
Output Q
A
is connected to input B for
binary count sequence.
H
e
High Level
L
e
Low Level
X
e
Irrelevant
Reset/Count Function Table
Reset
Inputs
Output
R
01
R
02
Q
D
Q
C
Q
B
Q
A
H
L
X
H
X
L
L
L
L
L
Count
Count
4
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MM54C93N | 4-Bit Decade, Binary Counter |
| MM54C932 | Phase Comparator |
| MM54C932N | Phase Comparator |
| MM74C932 | Phase Comparator |
| MM74C932N | Phase Comparator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MM54C93N | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:4-Bit Decade, Binary Counter |
| MM54C941 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Octal Buffers/Line Receivers/ Line Drivers with TRI-STATE Outputs |
| MM54C941J | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Octal Buffers/Line Receivers/ Line Drivers with TRI-STATE Outputs |
| MM54C941N | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Octal Buffers/Line Receivers/ Line Drivers with TRI-STATE Outputs |
| MM54C95 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:4-Bit Right-Shift Left-Shift Register |
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