Lecture28(1)

Bulk mobility channel mobility vs bulk mobility

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Unformatted text preview: l Mobility vs. Bulk Mobility Mobility vs. Bulk Mobility EE 332 Spring 2013 Mobility Model Mobility Model EE 332 Spring 2013 Effective Mobility EE 332 Spring 2013 Pinch-Off & Channel-Length Modulation EE 332 Spring 2013 Ideal MOSFET I-V Characteristics EE 332 Spring 2013 NMOSFET I-V Characteristics ψB= ψF, Qdep = Qd, Vc = Vs-Vx EE 332 Spring 2013 1st –Order Approximation EE 332 Spring 2013 NMOSFET Current EE 332 Spring 2013 Saturation Current EE 332 Spring 2013 MOSFET Output MOSFET Output EE 332 Spring 2013 MOSFET Output MOSFET Output EE 332 Spring 2013 NMOS and NMOS and PMOS PMOS EE 332 Spring 2013 MOSFET MOSFET CIRCUIT SYMBOLS N-channel MOSFET CMOS P-channel MOSFET CMOS INVERTER CIRCUIT CMOS INVERTER CIRCUIT VDD V VOUT INVERTERINVERTER VOUT CMOS CIRCUIT DD INVERTER SS VDD LOGIC SYMBOL VOUT LOGIC SYMBOL D VIN VIN GND D S GND VDDVDD D S INV LOGIC VDD D VOUTVOUT D VIN S 0 0 GND D S VOUT V DD VDD VVIN IN 0 VDD Note gates are tied together to VIN. Note the PMOS and NMOS the PMOS and NMOS gates are tied toge Note the PMOS and NMOS gates are tiedto ogether to VIN. So are the drains, t V . So are the drains, to VOUT. OUT So are the drains, to VOUT. E _____ and PMOS When VIN = 0 then NMOS isE 332 Spring 2013 When V = 0 then NMOS is _____ and PMOS is _____ Example 1 Example 1 EE 332 Spring 2013 Example 2 Example 2 EE 332 Spring 2013 Example 3 Example 3 EE 332 Spring 2013...
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This document was uploaded on 02/18/2014.

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