Delay circuit, semiconductor integrated circuit device...

Details Delay circuit, semiconductor integrated circuit device... Delay circuit, semiconductor integrated circuit device...

2005-04-12

2005-04-12

Nguyen, Minh (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Having specific delay in producing output waveform

C327S272000, C327S284000

Reexamination Certificate

active

06879200

ABSTRACT:
A delay circuit including a delay section having two or more predetermined delay stages is disclosed. Each predetermined delay stage adds a predetermined delay time to an input signal. The delay circuit also includes selecting switch sections. At least one of the selecting switch sections includes: a buffer section for receiving a delayed input signal from one of the delay stages and a selecting section means directly connected to the buffer section for activating the buffer section to establish a delay path, wherein an output signal from the delay path has a desired delay time.

REFERENCES:
patent: 5355037 (1994-10-01), Andresen et al.
patent: 5521540 (1996-05-01), Marbot
patent: 5778214 (1998-07-01), Taya et al.
patent: 6111447 (2000-08-01), Ternullo, Jr.
patent: 6175605 (2001-01-01), Chi
patent: 6437618 (2002-08-01), Lee
patent: 427069 (2001-03-01), None
patent: 10-149227 (1998-06-01), None

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