Boundary scannable one bit precompensated CMOS driver with compensating pulse width control

   
   

An improved data driver, method, and system for driving data with an improved slew rate and eye opening is provided. In one embodiment, the data driver includes a non-precompensating data driver and a precompensating data driver. The non-precompensating driver generates a non-precompensating output data pulse corresponding to input data. The non-precompensating data driver generates a pulse in response to every input data bit received. The precompensating driver generates the precompensating pulse only in response to a transition from one data state to a second data state between consecutive data bits. The precompensating data pulse is shorter in duration than the non-precompensating output data. The output data from the data drive is the sum of the non-precompensating output data pulse and the precompensating output data pulse.

 
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