Master-slave flip-flop, trigger flip-flop and counter

Details Master-slave flip-flop, trigger flip-flop and counter Master-slave flip-flop, trigger flip-flop and counter

2005-08-09

2008-10-21

Lam, Tuan T (Department: 2816)

Electrical pulse counters, pulse dividers, or shift registers: c

Pulse counting or dividing chains

Using bistable regenerative trigger circuits

C377S121000, C327S202000, C327S203000, C327S208000, C327S218000

Reexamination Certificate

active

07440534

ABSTRACT:
A master latch (1) is formed from a static circuit, and a slave latch (2) is formed from a dynamic circuit. The number of circuit elements can be smaller as compared to a slave latch formed from a static circuit so that the size and area of a master-slave flip-flop can be reduced. Since the master latch is formed from a static circuit, data can be held stably during the standby time by setting the master latch in a data holding state.

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Morimura et al., “A Pixel-Level Automatic Calibration Circuit Scheme for Capacitive Fingerprint Sensor LSIs”, IEEE Journal of Solid-State Circuits, vol. 37, No. 10, pp. 1302, Oct. 2002.

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