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參數(shù)資料
| 型號： | MC14028BF |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | BCD-To-Decimal Decoder Binary-To-Octal Decoder |
| 中文描述： | 4000/14000/40000 SERIES, DECIMAL DECODER/DRIVER, TRUE OUTPUT, PDSO16 |
| 封裝： | EIAJ, SOP-16 |
| 文件頁數(shù)： | 4/7頁 |
| 文件大小： | 254K |
| 代理商： | MC14028BF |
MOTOROLA CMOS LOGIC DATA
MC14028B
116
LOGIC DIAGRAM
Q9
Q8
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
D
C
B
A
APPLICATIONS INFORMATION
Expanded decoding can be performed by using the
MC14028B and other CMOS Integrated Circuits. The circuit
in Figure 2 converts any 4–bit code to a decimal or hexadeci-
mal code. The accompanying table shows the input binary
combinations, the associated “output numbers” that go “high”
when selected, and the “redefined output numbers” needed
for the proper code. For example: For the combination DCBA
= 0111 the output number 7 is redefined for the 4–bit binary,
4–bit gray, excess–3, or excess–3 gray codes as 7, 5, 4, or 2,
respectively. Figure 3 shows a 6–bit binary 1–of–64 decoder
using nine MC14028B circuits and two MC14069UB in-
verters.
The MC14028B can be used in decimal digit displays,
such as, neon readouts or incandescent projection indicators
as shown in Figure 4.
Figure 2. Code Conversion Circuit and Truth Table
INPUTS
D
MC14028B
C
B
A
D
C
B
A
D
C
B
A
MC14028B
Q9
Q0
Q9
Q0
15
–8
15
–0
OUTPUT NUMBERS
Inputs
Output Numbers
Code and Redefined
Output Numbers
Hexadecimal
Decimal
D
C
B
A
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
0
0
1
0
0
1
0
0
0
0
1
2
3
0
1
3
2
0
1
2
3
0
1
2
0
3
0
0
0
0
0
1
1
1
1
0
0
1
1
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
0
0
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
5
6
7
7
6
4
5
1
2
3
4
4
4
3
4
1
2
1
1
1
1
0
0
0
0
0
0
1
1
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
0
0
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
9
10
11
15
14
12
13
5
6
7
8
5
6
9
5
1
1
1
1
1
1
1
1
0
0
1
1
0
1
0
1
0
0
0
1
0
0
1
0
0
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
13
14
15
8
9
11
10
9
5
6
8
7
6
7
8
9
7
8
9
4
B
4
G
E
E
G
A
4
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MC14028BFEL | 功能描述:編碼器、解碼器、復用器和解復用器 3-18V BCD to Decimal RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| MC14028BFELG | 功能描述:編碼器、解碼器、復用器和解復用器 3-18V BCD to Decimal RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| MC14028BFL1 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC14028BFL2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC14028DG | 制造商:ON Semiconductor 功能描述: |
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