Overflow detection circuit

Details Overflow detection circuit Overflow detection circuit

1988-06-02

1990-02-06

Heyman, John S.

Boots, shoes, and leggings

377 51, G06F 1100

Patent

active

048993042

ABSTRACT:
The present invention relates to a circuit for detecting an overflow when data is shifted by a shifter. The circuit of the present invention makes possible the detection of an overflow during 1 clock period. In addition, it compares the magnitude of the bit string signal, obtained by passing data through a priority order decomposing circuit with the magnitude of the signal obtained by passing the shift number through a decoder.

REFERENCES:
patent: 4282581 (1981-08-01), Bondurant et al.
patent: 4722066 (1988-01-01), Armer et al.
patent: 4811268 (1989-03-01), Nishitani et al.
"Logic Design by LSI," pp. 176,177), Shunji Okugawa, 3/25/87, published by Kyoritsu Shuppan Kabushiki Kaisha.

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