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MC14028BCL PDF预览

MC14028BCL

更新时间: 2024-11-20 04:59:35
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 解码器
页数 文件大小 规格书
7页 257K
描述
BCD-To-Decimal Decoder Binary-To-Octal Decoder

MC14028BCL 数据手册

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SEMICONDUCTOR TECHNICAL DATA  
L SUFFIX  
CERAMIC  
CASE 620  
The MC14028B decoder is constructed so that an 8421 BCD code on the  
four inputs provides a decimal (one–of–ten) decoded output, while a 3–bit  
binary input provides a decoded octal (one–of–eight) code output with D  
forced to a logic “0”. Expanded decoding such as binary–to–hexadecimal  
(one–of–16), etc., can be achieved by using other MC14028B devices. The  
part is useful for code conversion, address decoding, memory selection  
control, demultiplexing, or readout decoding.  
P SUFFIX  
PLASTIC  
CASE 648  
Diode Protection on All Inputs  
D SUFFIX  
SOIC  
CASE 751B  
Supply Voltage Range = 3.0 Vdc to 18 Vdc  
Capable of Driving Two Low–power TTL Loads or One Low–power  
Schottky TTL Load Over the Rated Temperature Range  
Positive Logic Design  
Low Outputs on All Illegal Input Combinations  
Similar to CD4028B.  
ORDERING INFORMATION  
MC14XXXBCP  
MC14XXXBCL  
MC14XXXBD  
Plastic  
Ceramic  
SOIC  
MAXIMUM RATINGS* (Voltages Referenced to V  
)
SS  
T
A
= – 55° to 125°C for all packages.  
Symbol  
Parameter  
DC Supply Voltage  
Value  
Unit  
V
V
DD  
– 0.5 to + 18.0  
V , V  
in out  
Input or Output Voltage (DC or Transient)  
– 0.5 to V  
DD  
+ 0.5  
V
l , l  
in out  
Input or Output Current (DC or Transient),  
per Pin  
± 10  
mA  
P
Power Dissipation, per Package†  
Storage Temperature  
500  
mW  
C
D
T
stg  
– 65 to + 150  
260  
T
Lead Temperature (8–Second Soldering)  
C
L
* Maximum Ratings are those values beyond which damage to the device may occur.  
Temperature Derating:  
Plastic “P and D/DW” Packages: – 7.0 mW/ C From 65 C To 125 C  
Ceramic “L” Packages: – 12 mW/ C From 100 C To 125 C  
TRUTH TABLE  
D C B A Q9 Q8 Q7 Q6 Q5 Q4 Q3 Q2 Q1 Q0  
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
1
0
0
1
0
0
1
0
0
1
0
0
0
BLOCK DIAGRAM  
Q0  
Q1  
3
10  
13  
12  
11  
A
B
C
D
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
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
14  
3–BIT  
BINARY  
INPUTS  
Q2  
Q3  
Q4  
2
15  
1
OCTAL  
DECODED  
OUTPUTS  
8421  
BCD  
DECIMAL  
DECODED  
OUTPUTS  
1
1
1
1
0
0
0
0
0
0
1
1
0
1
0
1
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
Q5  
Q6  
Q7  
6
7
4
INPUTS  
Q8  
Q9  
9
5
1
1
1
1
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
0
0
0
0
0
V
V
= PIN 16  
= PIN 8  
DD  
SS  
REV 3  
1/94  
Motorola, Inc. 1995  

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