Arithmetic Logic Functions | MC1455

计时器电路

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概览

MC1455 单片计时器电路是一款稳定性很好的控制器，能够产生准确的时间延迟或振荡。如果需要，可提供附加的端子用于触发或重置。在时间延迟模式下，时间由一个外部电阻和电容器进行精确控制。要作为振荡器稳定运行，空转频率和占空比均通过两个外部电阻和一个电容器进行准确控制。该电路可在下降波形时进行触发和重置，输出结构可以源/汲最高 200 mA 的电流或驱动 TTL 电路。

  • Direct Replacement for NE555 Timers
  • Timing from Microseconds through Hours
  • Operates in Both Astable and Monostable Modes
  • Adjustable Duty Cycle
  • High Current Output Can Source or Sink 200 mA
  • Output Can Drive TTL
  • Temperature Stability of 0.005% per °C
  • Normally ON or Normally OFF Output
  • Pb-Free Packages are Available

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MC1455D

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SOIC-8

751-07

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235

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MC1455DG

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MC1455DR2

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2500

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MC1455DR2G

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2500

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MC1455P1

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626-05

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50

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MC1455P1G

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可靠性数据

Die Related Summary Data

Device: MC1455DR2G

Equivalent to wafer fab process: BP STD LINEAR

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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

BP STD LINEAR

10

12120914040

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Re-calculate Data

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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