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US 2010/0301915 A1Published application
Latch with single clocked device
AssigneeSun Microsystems, Inc.
InventorsJason M. Hart, Robert P. Masleid
Life of this patent
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Abstract
A D-latch circuit includes a feed forward circuit, a full keeper circuit, and an output buffer circuit. The feed forward circuit inputs a clock signal and a data signal. The feed forward circuit is connected to an input of the full keeper circuit. The feed forward circuit is connected to an output of the full keeper circuit and an input of the output buffer circuit. The output buffer circuit outputs an output signal. The D-latch consists of a single clocked device that switches with the clock signal.
Claims15
A D-latch circuit comprising:
- a feed forward circuit;
- a full keeper circuit;
- and
- an output buffer circuit;
- wherein:
- the feed forward circuit inputs a clock signal and a data signal,
- the feed forward circuit is connected to an input of the full keeper circuit,
- the feed forward circuit is connected to an output of the full keeper circuit and an input of the output buffer circuit,
- the output buffer circuit outputs an output signal, and
- the D-latch circuit consists of a single clocked device that switches with the clock signal.
7 more elements
A semiconductor device comprising:
- a mechanical package;
- and
- a semiconductor die comprising:
- a semiconductor layer,
- a plurality of metal layers,
- a clock distribution network that distributes a clock signal within the die, and
- a D-latch circuit comprising:
- a feed forward circuit;
- a full keeper circuit;
- and
- an output buffer circuit;
- wherein:
- the feed forward circuit inputs the clock signal and a data signal,
- the feed forward circuit is connected to an input of the full keeper circuit,
- the feed forward circuit is connected to an output of the full keeper circuit and an input of the output buffer circuit,
- the output buffer circuit outputs an output signal, and
- the D-latch circuit consists of a single clocked device that switches with the clock signal.
14 more elements
A system comprising:
- an input device;
- an output device;
- a mechanical chassis;
- a printed circuit board;
- and
- a semiconductor device comprising:
- a mechanical package, and
- a semiconductor die;
- wherein the semiconductor die comprises:
- a semiconductor layer,
- a plurality of metal layers,
- a clock distribution network that distributes a clock signal within the die, and
- a D-latch circuit comprising:
- a feed forward circuit;
- a full keeper circuit;
- and
- an output buffer circuit;
- wherein:
- the feed forward circuit inputs the clock signal and a data signal,
- the feed forward circuit is connected to an input of the full keeper circuit,
- the feed forward circuit is connected to an output of the full keeper circuit and an input of the output buffer circuit,
- the output buffer circuit outputs an output signal, and
- the D-latch circuit consists of a single clocked device that switches with the clock signal.
20 more elements
Dependencies are inferred from the claim text.