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MC14534B

更新时间： 2024-11-04 04:59:27
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 计数器
页数 文件大小 规格书
9页 229K
描述
5 CASCADED BCD COUNTERS

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中文翻译

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MC14534B 数据手册

 浏览型号MC14534B的Datasheet PDF文件第2页浏览型号MC14534B的Datasheet PDF文件第3页浏览型号MC14534B的Datasheet PDF文件第4页浏览型号MC14534B的Datasheet PDF文件第5页浏览型号MC14534B的Datasheet PDF文件第6页浏览型号MC14534B的Datasheet PDF文件第7页 
SEMICONDUCTOR TECHNICAL DATA  
L SUFFIX  
CERAMIC  
CASE 623  
The MC14534B is composed of five BCD ripple counters that have their  
respective outputs multiplexed using an internal scanner. Outputs of each  
counter are selected by the scanner and appear on four (BCD) pins.  
Selection is indicated by a logic high on the appropriate digit select pin. Both  
BCD and digit select outputs have three–state controls providing an  
“open–circuit” when these controls are high and allowing multiplexing.  
Cascading may be accomplished by using the carry–out pin. The counters  
and scanner can be independently reset by applying a high to the counter  
master reset (MR) and the scanner reset (SR). The MC14534B was  
specifically designed for application in real time or event counters where  
continual updating and multiplexed displays are used.  
P SUFFIX  
PLASTIC  
CASE 709  
DW SUFFIX  
SOIC  
CASE 751E  
•
•
•
•
•
•
Four Operating Modes (See truth table)  
Input Error Detection Circuit  
Clock Conditioning Circuits for Slow Transition Inputs  
Counter Sequences on Positive Transition of Clock A  
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  
ORDERING INFORMATION  
MC14XXXBCP  
MC14XXXBCL  
MC14XXXBDW  
Plastic  
Ceramic  
SOIC  
T
A
= – 55° to 125°C for all packages.  
BLOCK DIAGRAM  
TO CAPACITORS  
22  
1
V
= PIN 24  
= PIN 12  
DD  
23  
V
CLOCK B  
CLOCK A  
3
SS  
PULSE ERROR  
DETECTOR  
ERROR OUT  
PULSE  
SHAPER  
4
2
TEST  
CONTROL  
MASTER  
RESET  
UNITS  
TENS  
HUNDREDS  
THOUSANDS  
TEN  
THOUSANDS  
13  
CARRY  
CARRY OUT  
C
÷
10  
C
C
÷
10  
C
C
÷
10  
C
C
÷
10  
C
C
÷
10  
C
n+4  
n+4  
n+4  
n+4  
n+4  
CONTROL  
Q0  
Q3  
Q0  
Q3  
Q0  
Q3  
Q0  
Q3  
Q0  
Q3  
5
6
MODE A  
MODE B  
OUTPUT  
17  
18  
MUX  
MUX  
MUX  
MUX  
CONTROL  
Q3  
Q2  
MUX  
BCD  
OUT  
19  
20  
SCANNER  
RESET  
Q1  
Q0  
9
R
10  
SCANNER  
CLOCK  
SCANNER  
3–STATE BCD  
CONTROL  
21  
15  
3–STATE DIGIT  
CONTROL  
3–State Control  
Out  
7
8
14  
16  
11  
DS5  
DS1  
DS2  
DS3  
DS4  
NOTE:  
0
1
Q or DS  
High Impedance  
= 3–STATE  
DIGIT SELECT  
OUTPUT BUFFER  
REV 3  
1/94  
Motorola, Inc. 1995  
1234567...9

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与MC14534B相关器件

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MC14534BAL MOTOROLA

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 		4000/14000/40000 SERIES, ASYN POSITIVE EDGE TRIGGERED 20-BIT UP DECADE COUNTER, CDIP24, 62
MC14534BALD MOTOROLA

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 		Decade Counter, 4000/14000/40000 Series, Asynchronous, Positive Edge Triggered, 20-Bit, Up
MC14534BALDS MOTOROLA

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 		4000/14000/40000 SERIES, ASYN POSITIVE EDGE TRIGGERED 20-BIT UP DECADE COUNTER, CDIP24, 62
MC14534BALS MOTOROLA

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 		Decade Counter, Asynchronous, Up Direction, CMOS, CDIP24
MC14534BCL MOTOROLA

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 		5 Cascaded BCD Counters
MC14534BCLD MOTOROLA

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 		4000/14000/40000 SERIES, ASYN POSITIVE EDGE TRIGGERED 20-BIT UP DECADE COUNTER, CDIP24, 62
MC14534BCLDS MOTOROLA

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 		暂无描述
MC14534BCP MOTOROLA

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 		5 Cascaded BCD Counters
MC14534BCPD MOTOROLA

获取价格

 		Decade Counter, 4000/14000/40000 Series, Asynchronous, Positive Edge Triggered, 20-Bit, Up
MC14534BCPDS MOTOROLA

获取价格

 		4000/14000/40000 SERIES, ASYN POSITIVE EDGE TRIGGERED 20-BIT UP DECADE COUNTER, PDIP24, 70

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