Importance

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Abstract

A semiconductor system includes a controller configured to output a command address, data, and a write clock and an inverted write clock for latching the data through a channel, configured to output the write clock and the inverted write clock having a first set level and a second set level, respectively, by incorporating information with regard to characteristics of the channel during a pre-level interval, and configured to output the write clock and the inverted write clock that periodically toggle during a toggle interval, and a semiconductor device configured to latch and store the data in synchronization with the write clock and the inverted write clock.

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First Claim