CMOS Static ALU

Details CMOS Static ALU CMOS Static ALU

1980-09-08

1982-09-14

Smith, Jerry

Boots, shoes, and leggings

307469, G06F 748, G06F 750

Patent

active

043498884

ABSTRACT:
A CMOS static ALU is capable of selecting one operand from a plurality of inputs and can perform various arithmetic and logic operations in addition to shift left and shift right operations. The ALU uses exclusive OR gates having a minimum number of transistors. In addition, more N-channel transistors are used than P-channel transistors which results in overall smaller size and faster operation. In addition, the ALU has a RAM cell for use as a temporary storage means which is capable of driving the ALU data bus.

REFERENCES:
patent: 3767906 (1973-10-01), Pryor
patent: 4039858 (1977-08-01), Stewart
patent: 4225934 (1980-09-01), Vandierendonck
patent: 4229803 (1980-10-01), Rhodes

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