03ECE108Ch3Twoterminapullupinverters

03ECE108Ch3Twoterminapullupinverters - 3 Two-Terminal Pull...

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3. Two-Terminal Pull up MOSFET Inverters: General Characteristics ECE 108 1 Esener ECE108
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3. 1. Inverter Currents and Voltages 2 Esener ECE108 S V DD LOAD or PULL-UP D V G + V in = V GS DRIVER or PULL-DOWN V 0 = V DS + V L =V DD -V O I D Device Equations I L = f L (V L ) I D = f D (V GS ; V DS ; V T ) Circuit Equations V L =V DD -V O I D = I L f L (V DD -V O ) = f D (V IN ; V O ; V T ) V IN =V GS V O =V DS => Transfer characteristics S V DD K L D V G + V in = V GS V 0 = V DS + I L =K L (V DD -V O ) I L
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