Semi-conductor integrated circuits/systems

Details Semi-conductor integrated circuits/systems Semi-conductor integrated circuits/systems

H - Electricity

03

K

328/127

H03K 19/173 (2006.01) G06F 17/50 (2006.01) H03K 5/02 (2006.01) H03K 17/687 (2006.01) H03K 19/177 (2006.01)

Patent

CA 1269726

ABSTRACT OF THE DISCLOSURE Configurable semiconductor integrated circuits as-made each have a plurality of logic circuits formed at discrete sites (10S). For each logic circuit, direct selectably conducting/non-conducting connection paths (14A,B,C,F) extend from its output to input of a first set of other logic circuits and to its inputs from outputs of a second set of other logic circuits. All of the sets for all of the logic circuits are each different. Other direct connection paths (50R,50C) are selectably connectable to inputs (14D,E) and outputs (52G,H) of the logic circuits. Selection can be irreversible (Figure 8) or reversible (Figures 9, 10, 11, 18) and involves coincident signal addressing (22R,C) of the sites (10S) and coded configuring of the paths at that site. Reversible selection can be via field effect transistors or bipolar transistors and can be at or near normal logic signal levels and speeds (Figures 11 and 18). Versatile configurable input/output arrangements are described (Figures 13-16), also reconfigurable data processing systems using the reversible transistor provisions (Figures 20-23).

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