Monostable/astable multivibrator
DESCRIPTION
The HEF4047B consists of a gatable astable multivibrator
with logic techniques incorporated to permit positive or
negative edge-triggered monostable multivibrator action
with retriggering and external counting options.
Inputs include + TRIGGER, - TRIGGER, ASTABLE,
ASTABLE, RETRIGGER and MR (Master Reset).
Buffered outputs are O, O and OSCILLATOR OUTPUT. In
all modes of operation an external capacitor (Ct) must be
connected between CTC and RCTC, and an external
resistor (Rt) must be connected between RTC and
RCTC (continued on next page).
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