D5.19 For a particular IC-fabrication process, the transconductance parameter kn= 400 μA/V2, and Vt = 0.5 V. In an application in which vGS = vDS = Vsupply = 1.8 V, a drain current of 2 mA is required of a device of minimum length of 0.18 μm. What value of channel width must the design use?
1.07 μm
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