Input circuit

Details Input circuit Input circuit

2005-11-22

2005-11-22

Nguyen, Long (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

C327S057000, C327S212000

Reexamination Certificate

active

06967505

ABSTRACT:
An input circuit includes a data input unit for receiving input data of the input circuit. A data latch unit latches output data of the input circuit. A reset unit resets the data latch unit in response to a first logic level of a first clock signal. A latch enhancement unit enhances the latching operation of the data latch unit in response to a first logic level of a second clock signal that is delayed in phase from the first clock signal. A clock synchronization unit transfers the input data from the input unit to the data latch unit in response to a second logic level of the first clock signal, the clock synchronization unit blocking a feedthrough current that flows through the reset unit, the data latch unit, and the latch enhancement unit when the first and second clock signals are in a first logic level state.

REFERENCES:
patent: 5600269 (1997-02-01), Song et al.
patent: 5650971 (1997-07-01), Longway et al.
patent: 6201418 (2001-03-01), Allmon
patent: 6204698 (2001-03-01), Zhang
patent: 6255861 (2001-07-01), Zhang
patent: 6331791 (2001-12-01), Huang
patent: 6486719 (2002-11-01), Kim
European Search Report dated Apr. 15, 2005.

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