Left shift overflow detection

Details Left shift overflow detection Left shift overflow detection

1996-06-07

1998-07-07

Mai, Tan V.

Boots, shoes, and leggings

G06F 700

Patent

active

057779066

ABSTRACT:
An integrated circuit including a circuit for determining shift overflow in a binary digital circuit having an n-bit shift data and an m-bit shift amount. The device has a logic array for producing an n-bit output from the m-bit shift amount; a conversion circuit for selectively converting the sign of an n-bit shift data; and a combination of OR and AND logical gates for logically combining the selectively converted n-bit shift data and the n-bit output producing an overflow output.

REFERENCES:
patent: 4872128 (1989-10-01), Shimizu
patent: 5497340 (1996-03-01), Uramoto et al.

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