Semiconductor integrated circuit for a stable constant delay tim

Details Semiconductor integrated circuit for a stable constant delay tim Semiconductor integrated circuit for a stable constant delay tim

1993-06-18

1995-10-17

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Having specific delay in producing output waveform

327281, 327541, 327525, H03K 5153, H03K 5159

Patent

active

054594235

ABSTRACT:
A delay circuit is interposed between first and second circuit systems both driven by a first supply voltage. The delay circuit delays a signal applied by the first circuit system, and then transmits the delayed signal to the second circuit system. In particular, a constant voltage supply circuit generates a second supply voltage (constant voltage) on the basis of the first supply voltage, and supplies the constant voltage to this delay circuit, so that a stable constant delay time can be obtained by the delay circuit without being subjected to the influence of fluctuations of the first supply voltage. All the circuit elements are formed on the same semiconductor substrate. Further, it is preferable to construct the constant voltage supply circuit in such a way that the output voltage thereof is programmable.

REFERENCES:
patent: 4315295 (1982-02-01), Zocholl
patent: 4494021 (1985-01-01), Bell et al.
patent: 4788462 (1988-11-01), Vesce et al.
patent: 4803663 (1989-02-01), Miyamoto et al.
patent: 4845390 (1989-07-01), Chan
patent: 5051630 (1991-09-01), Kogan et al.

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