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    首页产品索引MC14541B

    MC14541B

    购买收藏
     Programmable Timer Oscillator

    制造商:ON

    中文数据手册

    产品信息

    The MC14541B programmable timer consists of a 16-stage binary counter, an integrated oscillator for use with an external capacitor and two resistors, an automatic power-on reset circuit, and output control logic.
    Timing is initialized by turning on power, whereupon the power-on reset is enabled and initializes the counter, within the specified V
    range. With the power already on, an external reset pulse can be applied. Upon release of the initial reset command, the oscillator will oscillate with a frequency determined by the external RC network. The 16-stage counter divides the oscillator frequency (f
    with the n
    stage frequency being f
    /2
    .
    • Available Outputs 2
    • , 2
    • , 2
    • or 2
    • Increments on Positive Edge Clock Transitions
    • Built-in Low Power RC Oscillator (+/- 2% accuracy over temperature range and +/- 20% supply and +/- 3% over processing at
    • Oscillator May Be Bypassed if External Clock Is Available (Apply external clock to Pin 3)
    • External Master Reset Totally Independent of Automatic Reset Operation
    • Operates as 2
    • Frequency Divider or Single Transition Timer
    • Q/Qbar Select Provides Output Logic Level Flexibility
    • Reset (auto or master) Disables Oscillator During Resetting to Provide No Active Power Dissapation
    • Clock Conditioning Circuit Permits Operation with Very Slow Clock Rise and Fall Times
    • Automatic Reset Initializes All Counters On Power Up
    • Supply Voltage Range = 3.0 Vdc to 18 Vdc with Auto Reset Disabled (Pin 5 = V
    • )
    • 8.5 Vdc to 18 Vdc with Auto Reset Enabled (Pin 5 = V
    • )
    • Pb-Free Packages are Available*

    电路图、引脚图和封装图

    在线购买

    型号制造商描述购买
    NLV14541BDGONIC OSC PROG TIMER 3MHZ 14SOIC 立即购买
    NLV14541BDTR2GONIC OSC PROG TIMER 3MHZ 14TSSOP 立即购买
    MC14541BDR2GONIC OSC PROG TIMER 3MHZ 14SOIC 立即购买
    MC14541BDGONMC14541B 可编程计时器包括一个 16 级二进制计数器、用于外部电容器和两个电阻的集成振荡器、自动通电重置电路,以及输出控制逻辑。计时通过打开电源初始化,此时在规定的 VDD 范围内启用通电重置并初始化计数器。电源导通时,可以应用外部重置脉冲。发出初始重置命令时,振荡器将以外部 RC 网络确定的频率进行振荡。该 16 级计数器将振荡器频率 (focs) 除以第 n 级频率等于 fosc/2n。 立即购买
    NLV14541BDR2GONMC14541B 可编程计时器包括一个 16 级二进制计数器、用于外部电容器和两个电阻的集成振荡器、自动通电重置电路,以及输出控制逻辑。计时通过打开电源初始化,此时在规定的 VDD 范围内启用通电重置并初始化计数器。电源导通时,可以应用外部重置脉冲。发出初始重置命令时,振荡器将以外部 RC 网络确定的频率进行振荡。该 16 级计数器将振荡器频率 (focs) 除以第 n 级频率等于 fosc/2n。 立即购买
    MC14541BDTR2GONMC14541B 可编程计时器包括一个 16 级二进制计数器、用于外部电容器和两个电阻的集成振荡器、自动通电重置电路,以及输出控制逻辑。计时通过打开电源初始化,此时在规定的 VDD 范围内启用通电重置并初始化计数器。电源导通时,可以应用外部重置脉冲。发出初始重置命令时,振荡器将以外部 RC 网络确定的频率进行振荡。该 16 级计数器将振荡器频率 (focs) 除以第 n 级频率等于 fosc/2n。 立即购买

    技术资料

    标题类型大小(KB)下载
    Programmable TimerPDF136 点击下载
    IBIS Model for MC14541BCPUNKNOW5 点击下载
    IBIS Model for MC14541BDUNKNOW5 点击下载
    TSSOP-14 WBPDF38 点击下载
    SOIC-14 NBPDF33 点击下载
    MC14541B_PKG.GIFUNKNOW16 点击下载

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