|Created||November 13, 2011|
|Last modified||June 08, 2017|
|Tags||cmos digital mosfet|
Two n-channel MOSFETs and two complementary p-channel MOSFETs form a two-input CMOS NAND logic gate.
When both in_A and in_B are high, the output voltage is pulled low via M1 and M2. Otherwise, the output voltage pulled high via M3 and/or M4.
Load the simulation by clicking "Open in editor" above, and then click "Simulate" at the bottom. Run a time domain simulation.
Plot in_A, in_B, and out versus time. You should verify that the logic performs the correct operation.
How much current is consumed? Compare to the MOSFET-and-resistor versions of the gate (see below).
MOSFET and resistor NAND gate:
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