Reset circuit and integrated circuit including the same

Details Reset circuit and integrated circuit including the same Reset circuit and integrated circuit including the same

1996-03-18

1997-07-01

Sikes, William L.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Synchronizing

327185, H03L 700, H03K 302

Patent

active

056442599

ABSTRACT:
A reset circuit includes a plurality of registers (R1-R8) in which a logical value at power on is shifted and set to a predetermined logical value after a predetermined time has elapsed since a power supply was switched on and a logic circuit (1) for outputting a coincidence signal while each of the/plurality of registers is set to the predetermined logic value but outputting a non-coincidence signal while when at least one register is set to a value different from the predetermined logical value. The non-coincidence signal is employed as a reset signal. The plurality of registers are designed to output a value different from the predetermined logic value initially when switching on the power supply. The reset signal can be obtained by even a low power voltage irrespective of a power voltage waveform at the power-on time.

REFERENCES:
patent: 5203000 (1993-04-01), Folkes
patent: 5268765 (1993-12-01), Yamashita
patent: 5309037 (1994-05-01), Curley
patent: 5446403 (1995-08-01), Witkowski

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