MC14538BD Datasheet

Dual Precision Retriggerable/Resettable Monostable Multivibrator


The MC14538BD is a dual, retriggerable, resettable monostable multivibrator. It may be triggered from either edge of an input pulse, and produces an accurate output pulse over a wide range of widths, the duration and accuracy of which are determined by the external timing components, CX and RX. Output Pulse Width T = R •CX(secs) RX=Ω CX=Farads MC14538BD Features • Unlimited Rise and Fall Time Allowed on the A Trigger Input• Pulse Width Range = 10 us to 10 s• Latched Trigger Inputs• Separate Latched Reset Inputs• 3.0 Vdc to 18 Vdc Operational Limits• Triggerable from Positive (A Input) or Negative-Going Edge (B-Input)• Capable of Driving Two Low-Power TTL Loads or One Low-Power Schottky TTL Load Over the Rated Temperature Range• Pin-for-pin Compatible with MC14528B and CD4528B (CD4098)• Use the MC54/74HC4538A for Pulse Widths Less Than 10 us with Supplies Up to 6 V• NLV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC-Q100 Qualified and PPAP Capable• These Devices are Pb-Free and are RoHS Compliant


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