题目内容

Mark out all the correct statements about the DCVSL.

A. ) Two pull-down networks are commentary and mutually exclusive
B. ) Consuming static power
C. ) Functions are implemented only by NMOS devices
D. ) Its performance is better than static CMOS logic

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If X and Y are 2’s compliment: What’s the correct item for blank (d)?

Consider the following abrupt junction diode (m=0.5): Cj0=3x10-3F/m2, AD=1μm2, and Ф0=0.64V. If we apply a reverse bias of -2.5V, what’s the value of the total junction capacitance? (select the nearest value)

A. a) 1fF
B. b) 1.15fF
C. c) 1.35fF
D. d) 1.5fF

What’s the value of the channel capacitance between the gate and source of a MOS transistor working in saturation region?

A. a) COXWL
B. b) COXWL/2
C. c) (2/3)COXWL
D. d) 0

The delay of critical path for which adder in the following is NOT in linear relation with the number of bits N?

A. a) Ripple-carry adder
B. b) Carry-bypass adder
C. c) Linear carry-select adder
D. d) Square root carry-select adder

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