Static information storage and retrieval – Read only systems
Patent
1985-02-27
1987-11-10
Fears, Terrell W.
Static information storage and retrieval
Read only systems
365103, 365154, G11C 1300
Patent
active
047062169
ABSTRACT:
A configurable logic circuit achieves versatility by including a configurable combinational logic element, a configurable storage circuit, and a configurable output select logic. The input signals to the configurable combinational logic element are input signals to the configurable logic circuit and feedback signals from the storage circuit. The storage circuit may be configured to operate as a D flip flop with or without set and reset inputs, an RS latch, a transparent latch with or without set and reset inputs, or as an edge detector. In conjunction with the combinational logic element, the storage circuit may also operate as a stage of a shift register or counter. The output select logic selects output signals from among the output signals of the combinational logic element and the storage circuit.
REFERENCES:
patent: 3967251 (1976-06-01), Levin
Fears Terrell W.
Franklin Richard
MacPherson Alan H.
Xilinx , Inc.
Young Edel M.
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