Podcast
Questions and Answers
What is the primary advantage of CMOS structures?
What is the primary advantage of CMOS structures?
- Low performance with high static power dissipation
- High speed with high power consumption
- High power consumption with high static power dissipation
- Robustness, good performance, and low power consumption with no static power dissipation (correct)
What is the difference between combinational and sequential logic gates?
What is the difference between combinational and sequential logic gates?
- Combinational gates are non-regenerative, while sequential gates are regenerative
- Combinational gates are regenerative, while sequential gates are non-regenerative
- Combinational gates have no intentional connections between outputs and inputs, while sequential gates do (correct)
- Combinational gates have intentional connections between outputs and inputs, while sequential gates do not
What is the relationship between the output and input signals in a combinational logic gate?
What is the relationship between the output and input signals in a combinational logic gate?
- The output is a function of the output signals
- The output is a function of previous input signals
- The output is a function of the power supply voltage
- The output is a function of the current input signals (correct)
What is the characteristic of a static CMOS circuit?
What is the characteristic of a static CMOS circuit?
What is the difference between dynamic and static CMOS circuits?
What is the difference between dynamic and static CMOS circuits?
What is the relationship between the output and previous input signals in a sequential logic gate?
What is the relationship between the output and previous input signals in a sequential logic gate?
What is the state of an NMOS transistor when the controlling signal is high?
What is the state of an NMOS transistor when the controlling signal is high?
What is the state of a PMOS transistor when the controlling signal is high?
What is the state of a PMOS transistor when the controlling signal is high?
What is the relationship between the pull-up and pull-down networks in a complementary CMOS structure?
What is the relationship between the pull-up and pull-down networks in a complementary CMOS structure?
How is the other network (PUN or PDN) obtained in a CMOS gate construction?
How is the other network (PUN or PDN) obtained in a CMOS gate construction?
What is the purpose of the duality principle in CMOS gate construction?
What is the purpose of the duality principle in CMOS gate construction?
What is the result of combining the PDN and PUN in a CMOS gate construction?
What is the result of combining the PDN and PUN in a CMOS gate construction?
What is the main factor that affects the propagation delay of complementary CMOS gates?
What is the main factor that affects the propagation delay of complementary CMOS gates?
What happens when devices are added in series in a CMOS circuit?
What happens when devices are added in series in a CMOS circuit?
What is the probability that the output node of a 2-input static NOR gate equals one?
What is the probability that the output node of a 2-input static NOR gate equals one?
What occurs in a multistage logic network due to the finite propagation delay between logic blocks?
What occurs in a multistage logic network due to the finite propagation delay between logic blocks?
What is the worst-case pull-down transition in a 2-input NOR gate?
What is the worst-case pull-down transition in a 2-input NOR gate?
Why must devices be made wider in a CMOS circuit?
Why must devices be made wider in a CMOS circuit?
What happens to the higher order even outputs in a chain of NAND gates during a transition from 0 to 1?
What happens to the higher order even outputs in a chain of NAND gates during a transition from 0 to 1?
What is the reason for the initial output of a chain of NAND gates being 1 when all inputs go simultaneously from 0 to 1?
What is the reason for the initial output of a chain of NAND gates being 1 when all inputs go simultaneously from 0 to 1?
What is the condition for the output to be high in a 2-input NOR gate?
What is the condition for the output to be high in a 2-input NOR gate?
What is the term for the probability that the output node of a static logic gate transitions from 0 to 1?
What is the term for the probability that the output node of a static logic gate transitions from 0 to 1?
How can the NMOS devices in a 2-input NOR gate be sized to match the delay of an inverter?
How can the NMOS devices in a 2-input NOR gate be sized to match the delay of an inverter?
What happens to the output node of a chain of NAND gates after the correct input ripples through the network?
What happens to the output node of a chain of NAND gates after the correct input ripples through the network?
What is the minimum voltage that PDN1 must be able to bring Out to for M2 to turn on?
What is the minimum voltage that PDN1 must be able to bring Out to for M2 to turn on?
What is the delay from the input to Out in the transient response of the AND/NAND gate?
What is the delay from the input to Out in the transient response of the AND/NAND gate?
What is the purpose of the switch driven by B in the pass-transistor logic AND gate?
What is the purpose of the switch driven by B in the pass-transistor logic AND gate?
How do pass-transistor logic gates aim to reduce the number of transistors required?
How do pass-transistor logic gates aim to reduce the number of transistors required?
What is the function of M1 in the DCVSL gate?
What is the function of M1 in the DCVSL gate?
What is the size of the cross-coupled PMOS devices in the DCVSL gate?
What is the size of the cross-coupled PMOS devices in the DCVSL gate?