System for generating a variable signal in response to a toggle

Details System for generating a variable signal in response to a toggle System for generating a variable signal in response to a toggle

1995-05-10

1997-09-02

Lee, Thomas C.

395551, 395552, G06F 104, G06F 112

Patent

active

056641664

ABSTRACT:
A digital circuit for generating a signal with a pulse width that is other than a half multiple of the clock is shown. The signal width can be greater or less than the clock period. This digital circuit includes a signal modifier, responsive to the clock signal, for generating a signal with a logic 0 state in response to the first clock edge and a signal with a logic 1 state in response to a toggle signal. A delay circuit generates the toggle signal in response to the second clock edge and a time delay measured from the second clock edge. With the appropriate delay element in the delay circuit, the generating of the toggle signal can be selectively delayed to extend the duration of the pulse.

REFERENCES:
patent: 4099072 (1978-07-01), Lee et al.
patent: 4675546 (1987-06-01), Shaw
patent: 5179693 (1993-01-01), Kitamura et al.
patent: 5298799 (1994-03-01), Cochran et al.

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