Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1977-10-31
1980-05-13
Anagnos, Larry N.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307213, 307216, 307221R, 307242, 307243, 307244, 357 92, H03K 1756, H03K 1908, H03K 1920, G11C 1928
Patent
active
042030420
ABSTRACT:
Four-pole circuit modules constructed in integrated injection logic (I.sup.2 L), each four-pole circuit having two signal inputs, a control input, and a signal output line. The signal output line is alternatively connected to one of the signal inputs by each of the two values of a bivalent control signal. This two-level logic can be used in multiplexers in which the four-pole circuits are successively arranged in two or more levels. A shift register composed of master-slave flipflops is obtained by connecting the signal output lines of a series of four-pole circuit modules to one of the signal input lines of the respective four-pole circuit modules and to a signal input line of the next four-pole circuit. Four-pole circuits can be arranged in a series with common control and different combinations of input signals in order to form an arithmetic member for one bit per input quantity.
The four-pole circuit module is very suitable for computer-aided design (CAD), due to the advantageous location of the connection points and that small modifications in the geometry of the modular four-pole circuit modules implicitly realize additional inversion operations. The four-pole circuit module is modified to form a comparison circuit or an EXCLUSIVE-OR generator by other modifications.
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Robbins; "MTL Exclusive OR circuit"; IBM Tech. Discl. Bull.; vol. 19, No. 6, p. 2077; 11/1976. _
Higby, Jr.; "Parity Check Circuit"; IBM Tech. Discl. Bull; vol. 1, No. 6; pp. 9-10; 4/1959. _
Le Can Claude J. P. F.
Van Den Beemt Johannes A. C.
Anagnos Larry N.
Briody Thomas A.
Cannon, Jr. James J.
Oisher Jack
U.S. Philips Corporation
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