Arithmetic Logic Functions | MC14018B

预设 N 分频计数器

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概览

MC14018B 包含五个可异步预设和重置的 Johnson 计数器级。这些计数器是同步的，并在时钟的上升沿递增。预设是通过预设启用输入上的逻辑 1 来完成的。Jam 输入上的数据随后将被传输到其各自的 Qbar 输出（反相）。重置输入上的逻辑 1 将使所有 Qbar 输出进入逻辑 1 状态。如功能选择表所示，可以通过将适当的 Qbar 输出连接到数据输入来完成 2 到 10 的分频。MC14018B 包含防锁定门控，以确保正确的计数顺序。

  • Fully Static Operation
  • Schmitt Trigger on Clock Input
  • Capable of Driving Two Low-power TTL Loads or One Low-power Schottky TTL Load Over the Rated Temperature Range
  • Pin-for-Pin Replacement for CD4018B
  • Pb-Free Packages are Available*

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MC14018BDG

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751B-05

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MC14018BDR2G

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NLV14018BDG

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可靠性数据

Die Related Summary Data

Device: MC14018BDG

Equivalent to wafer fab process: CMOS STD

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等效器件小时

平均故障间隔时间/平均无故障时间（按小时计算）

FITS

CMOS STD

3

3597164517

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Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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