EE40_Fall08_Lecture42 - EE40 Lecture 42 Connie...

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Slide 1 EE40 Fall 08 Connie Chang-Hasnain EE40 Lecture 42 Connie Chang-Hasnain Dec. 10 Reading: Chap. 12 and Supplementary Notes Chap 4, 5
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Slide 2 EE40 Fall 08 Connie Chang-Hasnain The CMOS Inverter: Intuitive Perspective V DD R n V IN = V DD CIRCUIT SWITCH MODELS V DD R p V IN = 0 V V OUT V OUT V OL = 0 V V OH = V DD Low static power consumption, since one MOSFET is always off in steady state V DD V IN V OUT S D G G S D
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Slide 3 EE40 Fall 08 Connie Chang-Hasnain Open circuit (cut-off mode) R n 1 R p Open circuit (cut-off mode) 0 PMOS NMOS Vin
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Slide 4 EE40 Fall 08 Connie Chang-Hasnain CMOS Inverter Voltage Transfer Characteristic V IN V OUT V DD V DD 0 0 N: off P: lin N: lin P: off N: lin P: sat N: sat P: lin N: sat P: sat V DD V IN V OUT S D G G S D A B D E C
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EE40 Fall 08 Connie Chang-Hasnain CMOS Inverter Load-Line Analysis V OUT =V DSn I Dn = -I Dp 0 V DD V IN V OUT I Dn =- I Dp V G S p = I N - DSp = V OUT - V DD + 0
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This note was uploaded on 10/24/2009 for the course EE 40 taught by Professor Chang-hasnain during the Fall '07 term at University of California, Berkeley.

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EE40_Fall08_Lecture42 - EE40 Lecture 42 Connie...

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