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US 4,051,387 AGranted
High speed ECL one-shot multivibrator
AssigneeMotorola, Inc.
InventorStephen Read Black
Life of this patent
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Abstract
A versatile ECL one-shot having the following features: retriggerable, resettable, input trigger controllability, voltage controllability and a high speed input is provided which bypasses the input circuit for minimum output delay. The ECL one-shot includes an input circuit, a timing gate flip-flop, a retrigger gate flip-flop, and a timing circuit including an active recovery circuit for rapidly recharging a discrete external capacitor in a matter of a few nanoseconds after discharge.
Claims9
An ECL one-shot logic circuit comprising:
- a. input circuit means for receiving input signals and having at least one output,
- b. timing gate flip-flop means having a first input terminal coupled to said at least one output of said input circuit means and generating a first digital control signal,
- c. retrigger gate flip-flop means having a second input terminal coupled to said at least one output of said input circuit means and generating a second digital control signal,
- d. timing circuit means coupled to and being responsive to said first and second digital control signals for providing an output which is coupled to said timing gate flip-flop means and said retrigger gate flip-flop means for controlling output pulse length of said one-shot, and
- e. output gate means for generating an output for said one-shot logic circuit and being responsive to and coupled to said input circuit means and to said first and second digital control signals.
2 more elements
Dependencies are inferred from the claim text.