Lecture4

Lecture4 - The device physics of the transistor have been...

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Lab Questions? Homework Questions? NEW UPDATES: ACS has changed cshrc no longer need to cp cshrc from the public directory Midterm Scheduled : 4/28 and 5/31 Welcome Tuesday, April 05, 2011 12:43 PM April 7, 2011 Page 1
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0 0.5 1 1.5 2 2.5 x 10 -10 -0.5 0 0.5 1 1.5 2 2.5 3 t (sec) V out (V) Propagation delays are different for low to high and high to low signals. TpLH and TpHL Tuesday, April 05, 2011 10:44 AM April 7, 2011 Page 2
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Slew Rate verus Linear Rise/Fall Thursday, April 07, 2011 10:34 AM April 7, 2011 Page 3
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1 1.5 2 2.5 3 3.5 4 4.5 5 3 3.5 4 4.5 5 x 10 -11 t p (sec) Minimization of delay Tuesday, April 05, 2011 10:45 AM April 7, 2011 Page 6
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Unformatted text preview: The device physics of the transistor have been simplified to a point that we assume tpLH and tpHL are identical this may not be true. Particularly in more complicated combinational gates 1) The delays of the gates are unaffected by increasing/decreasing the size of the gate. 2) Propagation delays depend on relative sizes between the current gate and the gates it drives. 3) Delay and Scaling Tuesday, April 05, 2011 10:47 AM April 7, 2011 Page 8 Effort Thursday, April 07, 2011 12:04 PM April 7, 2011 Page 9 April 7, 2011 Page 10 April 7, 2011 Page 11...
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Lecture4 - The device physics of the transistor have been...

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