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US 7,612,594 B2Granted
Latch circuit and semiconductor integrated circuit having the same
AssigneePanasonic Corporation
InventorKouhei Fukuoka
Life of this patent
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Abstract
A latch circuit includes first, second, and third inverter circuits, a switching element, and a capacitor element. The first inverter circuit and the second inverter circuit are cross-connected to each other. The third inverter circuit logically inverts an output from the first inverter circuit. The switching element is connected between the output terminal of the second inverter circuit and the output terminal of the third inverter circuit. The capacitor element is connected between the output terminal of the third inverter circuit and a reference voltage node.
Claims18
A latch circuit comprising:
- first and second inverter circuits cross-connected to each other;
- a third inverter circuit for receiving an output from the first inverter circuit to output a logically inverted value of the output;
- a switching element connected between an output terminal of the second inverter circuit and an output terminal of the third inverter circuit;
- and
- a capacitor element connected between the output terminal of the third inverter circuit and a constant reference voltage node.
2 more elements
Dependencies are inferred from the claim text.