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MC14538BFL1-MC14538BFL2
Dual Precision Retriggerable/Resettable Monostable Multivibrator
--The MC14538B 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 = (Cx) (Rx) where:
Rx is in k
Cx is in F Unlimited Rise and Fall Time Allowed on the A Trigger Input Pulse Width Range = 10 μs 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 μs with
Supplies Up to 6 V.
MAXIMUM RATINGS (Voltages Referenced to VSS) (Note 2.) Maximum Ratings are those values beyond which damage to the device
may occur. Temperature Derating:
Plastic “P and D/DW” Packages: – 7.0 mW/ C From 65 C To 125C
This device contains protection circuitry to guard against damage due to high
static voltages or electric fields. However, precautions must be taken to avoid
applications of any voltage higher than maximum rated voltages to this
high–impedance circuit. For proper operation, Vin and Vout should be constrained
to the range VSS (Vin or Vout) VDD.
