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CD4541BF3A 参数 Datasheet PDF下载

CD4541BF3A图片预览
型号: CD4541BF3A
PDF下载: 下载PDF文件 查看货源
内容描述: CMOS可编程定时器高电压型( 20V额定值) [CMOS Programmable Timer High Voltage Types(20V Rating)]
分类和应用: 计数器触发器逻辑集成电路
文件页数/大小: 15 页 / 573 K
品牌: TI [ TEXAS INSTRUMENTS ]
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CD4541B  
Digital Timer Application  
A positive pulse on MASTER RESET resets the counters  
and latch. The output goes high and remains high until the  
number of pulses, selected by A and B, are counted. This  
circuit is retriggerable and is as accurate as the input fre-  
quency. If additional accuracy is desired, an external clock  
can be used on pin 3. A setup time equal to the width of the  
one-shot output is required immediately following initial  
power up, during which time the output will be high.  
V
DD  
R
C
TC  
1
14  
2
3
4
5
13  
12  
11  
10  
B
A
TC  
R
AR  
MR  
S
6
7
9
8
OUTPUT  
INPUT  
t
FIGURE 3. DIGITAL TIMER APPLICATION CIRCUIT  
5