Latch clock generation circuit and serial-parallel...

Details Latch clock generation circuit and serial-parallel... Latch clock generation circuit and serial-parallel...

2007-12-18

2007-12-18

JeanPierre, Peguy (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

Parallel to serial

C714S731000

Reexamination Certificate

active

11233459

ABSTRACT:
A serial-parallel conversion circuit in which power consumption is reduced is provided by using a latch clock generation circuit including multiple latch signal generation circuits which outputs a latch signal with a period of an integer multiple of that of a system clock signal. Here, the latch signal generation circuit includes a gate circuit which receives a control signal and a feedback signal, and outputs, according to a combination of the received control signal and feedback signal, a latch signal obtained by inverting a pulse corresponding to one clock of the system clock signal, and an output synchronization circuit which holds the latch signal output from the gate circuit and at the same time outputs the latch signal as a control signal supplied to a gate circuit of a latch signal generation circuit of the succeeding stage and a feedback signal supplied to the gate circuit of the self stage.

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