Pulse or digital communications – Synchronizers – Phase displacement – slip or jitter correction
Patent
1994-11-28
1997-04-15
Chin, Stephen
Pulse or digital communications
Synchronizers
Phase displacement, slip or jitter correction
371 1, 327152, 327153, H04L 700
Patent
active
056217749
ABSTRACT:
A data transfer apparatus includes a transmitting apparatus having a pulse generation circuit for generating a plurality of data and a clock having a predetermined timing relation to the plurality of data, a receiving apparatus having latch circuits supplied with the clock and data for latching the plurality of data at a timing of the clock, respectively, transmission lines for connecting the transmitting apparatus and the receiving apparatus, a variable delay circuit for delaying the clock or data to be supplied to the latch circuits, and a variable delay control circuit for controlling an amount of delay of the variable delay circuit by means of output signals of the latch circuits to thereby minimize the cycle time of the data and clock in the data transfer between apparatuses.
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Hayashi Takehisa
Ishibashi Kenichi
Tanaka Akira
Yamagiwa Akira
Chin Stephen
Gluck Jeffrey W.
Hitachi , Ltd.
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