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Device for selecting the greater one of two binary numbers. RU patent 2300135.

FIELD: computer engineering, possible use for building automatic devices, functional units of control systems, etc.

SUBSTANCE: device for selecting the greater one of two binary numbers contains OR element, 2(n-2) AND elements, 3(n-1) AND-NOT elements and 2(n-1) implication units. All implication units and AND, AND-NOT, OR elements are grouped in n groups. Groups numbered k and r contain, respectively, two implication units and three AND-NOT elements. First and m groups additionally contain, respectively, OR element and two AND elements. In r group output of i AND-NOT element, connected by second input to first input of i AND element and output of i AND element, connected by its second input to output of (3-i) AND-NOT element, are connected respectively to inverting and non-inverting inputs of i implication unit. In first group inverting and non-inverting inputs of first implication unit are connected respectively to non-inverting and inverting inputs of second implication unit, first and second inputs of OR element. Output of i implication unit of k group is connected to second input of i element AND-NOT of (k+1) group, while first inputs of first and second AND-NOT elements of r group, first and second inputs of OR element and output of third AND-NOT element of r group, output of OR element form, respectively, r, (n+r), (n+1), first inputs and r, first outputs of device for selecting the greater one of two binary numbers.

EFFECT: expanded functional capabilities due to ensured selection of greater one of two n-bit binary numbers, set by binary signals.

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IPC classes for russian patent Device for selecting the greater one of two binary numbers. RU patent 2300135. (RU 2300135):

G06F7/02 - Comparing digital values (G06F0007060000, G06F0007380000 take precedence;information retrieval G06F0017300000; comparing pulses H03K0005220000)

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