DESCRIPTION

· The HEF4938B is a dual retriggerable-resettable monostable multivibrator.

· It features active LOW and HIGH trigger/retrigger inputs, a direct reset input, and complementary outputs.

· External timing components (C_EXT and R_EXT) determine the output pulse width, which ranges from 10 µs to infinity.

· Operates over a V_DD range of 3 V to 15 V, with precise pulse width control using LOCMOS technology.

· Highly tolerant to slow trigger rise and fall times due to Schmitt trigger inputs.

FEATURES

· Separate reset inputs for immediate pulse termination.

· Triggering from leading or trailing edges of input pulses.

· Fully static operation with standardized symmetrical output characteristics.

· Parametric ratings for 5 V, 10 V, and 15 V power supplies.

· Operates reliably from -40°C to +85°C and complies with JEDEC standard JESD 13-B.

APPLICATIONS

· Precision timing circuits requiring accurate pulse generation.

· Systems needing retriggerable and resettable monostable functionality.

· Applications tolerant to slow input signal transitions.

· Circuits operating in a wide temperature range (-40°C to +85°C).

· Designs requiring compatibility with 3 V to 15 V power supplies.