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DAC121S101 behavior following a valid write

My question is about the DAC121S101QML DAC.


It appears that when a valid serial write is executed, the device will latch and hold

that written value until either a new valid write is received, or the device is powered down.

Is that correct?


Also, can the clock and sync pulses be discontinuous between valid write sequences?

That is, can I turn off SCLK and SYNC_n until I want to do a write?