Flip-flop circuit that latches inputted data

Details Flip-flop circuit that latches inputted data Flip-flop circuit that latches inputted data

2011-08-30

2011-08-30

Donovan, Lincoln (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Particular stable state circuit

C327S203000

Reexamination Certificate

active

08008959

ABSTRACT:
A flip-flop circuit operates by a first clock signal whose amplitude is smaller than that of input data D. A pair of transistors receive the input data D and the reversed input data *D, respectively, to latch the input data D. An activation circuit activates the pair of transistors in a conduction state. A control circuit receives the first clock signal and sets the activation circuit to a conduction state for a predetermined time period starting from an edge timing of the received first clock signal. The control circuit increases the amplitude of the first clock signal and sets the activation circuit in a conduction state by using a second clock signal which is the first clock signal with the increased amplitude.

REFERENCES:
patent: 6087872 (2000-07-01), Partovi et al.
patent: 2008/0030250 (2008-02-01), Furuichi et al.
Kwon, Young-Su et al., “A new single-clock flip-flop for half-swing clocking,” Proc. of ASP-DAC 1999.

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