Circuit and method of controlling a delay of a semiconductor...

Details Circuit and method of controlling a delay of a semiconductor... Circuit and method of controlling a delay of a semiconductor...

2007-09-18

2007-09-18

Liu, Shuwang (Department: 2809)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Having specific delay in producing output waveform

C327S270000, C327S272000, C327S273000

Reexamination Certificate

active

11329719

ABSTRACT:
A delay control circuit capable of controlling a delay time is disclosed. The delay control circuit includes a delay detecting circuit, a first pulse generator, a counter control circuit and a counter. The delay detecting circuit delays an input signal by a first time in response to an output signal and compares the input signal and the delayed input signal to generate a first signal. The first pulse generator generates a second signal in response to the input signal. The counter control circuit generates a count-up signal and a count-down signal in response to the first signal and the second signal. The counter generates the output signal in response to the count-up signal and the count-down signal to divide the first time by 2nintervals, wherein n is a positive integer.

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patent: 10-224333 (1998-08-01), None
patent: 2000-174594 (2000-06-01), None

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