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1 Inverter Layout. 2 TX Gate: Layout VDD VSS VO Vi C CCC For data path structure P+ N+

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Presentation on theme: "1 Inverter Layout. 2 TX Gate: Layout VDD VSS VO Vi C CCC For data path structure P+ N+"— Presentation transcript:

1 1 Inverter Layout

2 2 TX Gate: Layout VDD VSS VO Vi C CCC For data path structure P+ N+

3 3 Transmission Gate Layout

4 4 NAND Gates: Layout Layout Transistors in Series Transistors in Parallel

5 5 NAND Gates: Layout A B X Metal II Via VDD GND

6 6 NAND Gate Layout

7 7 Simulation results of CMOS 2-input NAND gate DC characteristics Active area Total area Static curren t V OH V OL V IH V IL NM L NM H 18.76 um 2 132.5 um 2 03.3 volts 0 volt1.42 volts 0.87 volts 1.88 volts AC characteristics t PLH min t PHL min t P min t PLH max t PHL max t P max t r min t f min t r max t f max Averag e power Peak Power 0.15 ns 0.03 ns 0.09 ns 0.18 ns 0.05 ns 0.115 ns 0.15 ns 0.14 ns 0.176 ns 0.15 ns 0.43 mw 0.5 mw

8 8 simulation waveforms of NAND gate

9 9 NOR Gate: Layout AB X V DD GND

10 10 NOR Gate Layout

11 11 Waveform of the CMOS 2-input NOR gate.

12 12 DC characteristics Active area Total area Static current V OH V OL V IH V IL NM L NM H 24.87 um 2 148.32 um 2 03.3 volts0 volts1.57 volts 0.95 volts 1.73 volts AC characteristics t PLH min t PHL min t P min t PLH max t PHL max t P max t r min t f min t r max t f max Average power Peak Power 0.18 ns 0.05 ns 0.115 ns 0.2 ns 0.07 ns 0.135 ns 0.2 ns 0.15 ns 0.24 ns 0.16 ns 0.45 mw0.6 mw Simulation results of CMOS 2-input NOR gate

13 13 Analysis and Design of Complex Gate A B C D E F VDD GND OUT N-well Analysis 1. Construct the schematic 2. Determine the logic function. 3. Determine transistor sizes. 4. Determine the input pattern to cause slowest and fastest operations. 5. Determine the worst case rise delay (t PLH )and fall delay (t PHL ) 6. Determine the best case rise and fall delays.

14 14 DFF Layout

15 15 Fundamental Cell Design General Considerations  Static logic;  Select aspect ratio of gates for example:

16 16 Cell Simulation: 2-input NAND gate

17 17 2-input NAND gate, Layout

18 18 2-input NAND gate, Simulation

19 19 2-input NAND gate, DC Characteristics Active area (um 2 ) Total area (um 2 ) Static current (uA) V OH (V) V OL (V) V IH (V) V IL (V) NM H (V) NM L (V) 3.3616703.301.40.871.90.87

20 20 2-input NAND gate, AC Characteristics t PLH min (ns) t PHL min (ns) t P min (ns) t PLH max (ns) t PHL max (ns) t P max (ns) t r min (ns) t f min (ns) t r max (ns) t f max (ns) Average power (mW) Peak power (mW) 0.04 0.070.050.060.100.050.120.062.67.5

21 21 2-input AND gate

22 22 2-input AND gate, layout

23 23 2-input AND gate, simulation

24 24 2-input AND gate, DC Characteristics Active area (um 2 ) Total area (um 2 ) Static curren t(uA) V OH (V) V OL (V) V IH (V) V IL (V) NM H (V) NM L (V) 5.324403.301.241.192.061.2

25 25 2-input AND gate, Ac Characteristics t PLH min (ns) t PHL min (ns) t P min (ns) t PLH max (ns) t PHL max (ns) t P max (ns) t r min (ns) t f min (ns) t r max (ns) t f max (ns) Aver. power (mW) Peak power (mW) 0.130.100.120.150.110.130.10 0.1150.1053.27.5

26 26 3-input NAND gate, Design

27 27 3-input NAND gate. layout

28 28 3-input NAND gate, simulation

29 29 3-input NAND gate, DC Characteristics Active area (um 2 ) Total area (um 2 ) Static current (uA) V OH (V) V OL (V) V IH (V) V IL (V) NM H (V) NM L (V) 5.9430903.301.540.981.760.98

30 30 3-input NAND gate, AC Characteristics t PLH min (ns) t PHL min (ns) t P min (ns) t PLH max ns t PHL max (ns) t P max (ns) t r min ns t f min (ns) t r max (ns) t f max (ns) Av. powe r (mW) Peak power (mW) 0.130.090.110.140.120.130.150.110.160.133.37.9

31 31 3-input AND gate, Design

32 32 3-input AND gate, layout

33 33 3-input AND gate, simulation

34 34 3-input AND gate, Dc Characteristics Active area (um 2 ) Total area (um 2 ) Static current (uA) V OH (V) V OL (V) V IH (V) V IL (V) NM H (V) NM L (V) 7.86359.03.301. 41.281.91.28

35 35 3-input AND gate, Ac Characteristics t PLH min (ns) t PHL min (ns) t P min (ns) t PLH max (ns) t PHL max (ns) t P max (ns) t r min (ns) t f min (ns) t r max (ns) t f max (ns) Average power (mW) Peak power (mW) 0.140.120.130.150.130.140.150.110.150.123.98.9

36 36 2-input NOR gate, Design

37 37 2-input NOR gate, Layout

38 38 2-input NOR gate, Simulation

39 39 2-input NOR gate, DC Characteristics Active area (um 2 ) Total area (um 2 ) Static current (uA) V OH (V) V OL (V) V IH (V) V IL (V) NM H (V) NM L (V) 5.7613003.301. 531.01.771.0

40 40 2-input NOR gate, Ac Characteristics t PLH min (ns) t PHL min (ns) t P min (ns) t PLH max (ns) t PHL max (ns) t P max (ns) t r min ns t f min (ns) t r max (ns) t f max (ns) Av. power (mW) Peak power (mW) 0.100.070.850.110.080.950.150.140.170.152.55.6

41 41 2-input OR gate, Design

42 42 2-input OR gate, Layout

43 43 2-input OR gate, Simulation

44 44 2-input OR gate, DC Characteristics Active area (um 2 ) Total area (um 2 ) Static curren t(uA) V OH (V) V OL (V) V IH (V) V IL (V) NM H (V) NM L (V) 7.68220.03.301. 51.411.81.41

45 45 2-input OR gate, AC Characteristics t PLH min (ns) t PHL min (ns) t P min (ns) t PLH max (ns) t PHL max (ns) t P max (ns) t r min (ns) t f min (ns) t r max (ns) t f max (ns) Av. power (mW) Peak power (mW) 0.120.11 0.130.12 0.110.130.100.143.05.8

46 46 3-input NOR gate, Design

47 47 3-input NOR gate, Layout

48 48 3-input NOR gate, Simulation

49 49 3-input NOR gate, DC Characteristics Active area (um 2 ) Total area (um 2 ) Static curre nt(uA) V OH (V) V OL (V) V IH (V) V IL (V) NM H (V) NM L (V) 10.8238.03.301. 51.051.781.05

50 50 3-input NOR gate, AC Charcarteristics t PLH min (ns) t PHL min (ns) t P min (ns) t PLH max (ns) t PHL max (ns) t P max (ns) t r min (ns) t f min (ns) t r max (ns) t f max (ns) Av. power (mW) Peak power (mW) 0.120.1 0.130.110.120.250.190.310.214.26.9

51 51 3-input OR gate, Design

52 52 3-input OR gate, Layout

53 53 3-input OR gate, Simulation

54 54 3-input OR gate, DC Characteristics Active area (um 2 ) Total area (um 2 ) Static current (uA) V OH (V) V OL (V) V IH (V) V IL (V) NM H (V) NM L (V) 12.7318.03.301. 481.391.821.39

55 55 3-input OR gate, AC Characteristics t PLH min (ns) t PHL min (ns) t P min (ns) t PLH max (ns) t PHL max (ns) t P max (ns) t r min (ns) t f min (ns) t r max (ns) t f max (ns) Av. power (mW) Peak power (mW) 0.200.19 0.220.21 0.150.120.160.134.97.8

56 56 4-input OR gate, Design

57 57 4-input OR gate, Layout

58 58 4-input OR gate, Simulation

59 59 4-input OR gate, DC Characteristics Active area (um 2 ) Total area (um 2 ) Static current (uA) V OH (V) V OL (V) V IH (V) V IL (V) NM H (V) NM L (V) 20.1640103.301.51.391.81.39

60 60 4-input OR gate, AC Characteristics t PLH min (ns) t PHL min (ns) t P min (ns) t PLH max (ns) t PHL max (ns) t P max (ns) t r min (ns) t f min (ns) t r max (ns) t f max (ns) Av. power (mW) Peak power (mW) 0.300.240.260.340.250.30.120.14 0.155.712.9

61 61 2-input XOR gate, Design

62 62 2-input XOR gate, Layout

63 63 2-input XOR gate, Simulation

64 64 2-input XOR gate, DC Characteristics Active area (um 2 ) Total area (um 2 ) Static current (uA) V OH (V) V OL (V) V IH (V) V IL (V) NM H (V) NM L (V) 15.36381.03.301.421.291.881.29

65 65 2-input XOR gate, AC Characteristics t PLH min (ns) t PHL min (ns) t P min (ns) t PLH max (ns) t PHL max (ns) t P max (ns) t r min (ns) t f min (ns) t r max (ns) t f max (ns) Av. power (mW) Peak power (mW) 0.170.140.150.180.150.160.250.200.270.214.78.3

66 66 3-input XOR gate, Design

67 67 3-input XOR gate, Layout

68 68 3-input XOR gate, Simulation

69 69 3-input XOR gate, DC Characteristics Active area (um 2 ) Total area (um 2 ) Static current (uA) V OH (V) V OL (V) V IH (V) V IL (V) NM H (V) NM L (V) 12.51237.03.301.611.221.691.22

70 70 3-input XOR gate, AC Characteristics t PLH min (ns) t PHL min (ns) t P min (ns) t PLH max (ns) t PHL max (ns) t P max (ns) t r min (ns) t f min (ns) t r max (ns) t f max (ns) Av. power (mW) Peak power (mW) 0.210.190.200.230.200.210.390.200.440.237.710.6

71 71 3-input XNOR gate, Design

72 72 3-input XNOR gate, Layout

73 73 3-input XNOR gate, Simulation

74 74 3-input XNOR gate, DC Characteristics Active area (um 2 ) Total area (um 2 ) Static current (uA) V OH (V) V OL (V) V IH (V) V IL (V) NM H (V) NM L (V) 12.54123703.301.611.271.691.27

75 75 3-input XNOR gate, AC Characteristics t PLH min (ns) t PHL min (ns) t P min (ns) t PLH max (ns) t PHL max (ns) t P max (ns) t r min (ns) t f min (ns) t r max (ns) t f max (ns) Average power (mW) Peak power (mW) 0.220.21 0.23 0.160.210.170.257.310.1

76 76 Positive-Edge-triggered D Flip-Flop with Reset

77 77 Positive-Edge-triggered D Flip-Flop with Reset

78 78 Positive-Edge-triggered D Flip-Flop with Reset

79 79 Positive-Edge-triggered D Flip-Flop with Reset parameterminimumtypicalmaximumunit Clock frequency------10001250MHz t PLH Reset to Q------ ns t PHL Reset to Q0.350.430.47ns t PLH CLK to Q0.320.340.36ns t PHL CLK to Q0.450.500.53ns Width of clock pulse0.40.5------ns Width of Reset pulse0.41------ns Setup time0.3 ns Hold time0.1 ns Average power dissipation at 1000MHz CLK ------0.397------mW

80 80 Positive-Edge-triggered D Flip-Flop with Preset

81 81 Positive-Edge-triggered D Flip-Flop with Preset

82 82 Positive-Edge-triggered D Flip-Flop with Preset

83 83 Positive-Edge-triggered D Flip-Flop with Preset parameterminimumtypicalmaximumunit Clock frequency------10001250MHz t PLH SET to Q0.25 0.26ns t PHL SET to Q------ ns t PLH CLK to Q0.300.350.37ns t PHL CLK to Q0.430.470.50ns Width of clock pulse0.40.5------ns Width of SET pulse0.20.3------ns Setup time0.3 ns Hold time0.15 ns Average power dissipation at 1000MHz CLK ------0.467------mW

84 84 Positive-Edge-triggered D Flip-Flop with Clear and Load

85 85 Positive-Edge-triggered D Flip-Flop with Clear/ Load

86 86 Positive-Edge-triggered D Flip-Flop with Clear

87 87 Positive-Edge-triggered D Flip-Flop with Clear parameterminimumtypicalmaximumunit Clock frequency------10001250MHz t PLH CLR to Q------ ns t PHL CLR to Q0.350.400.43ns t PLH CLK to Q0.350.380.40ns t PHL CLK to Q0.500.570.58ns Width of clock pulse0.40.5------ns Width of clear pulse0.40.5------ns Setup time0.5 ns Hold time0.2 ns Average power dissipation at 1000MHz CLK ------0.371------mW

88 88 Positive-Edge-triggered D Flip-Flop with Preset and Load

89 89 Positive-Edge-triggered D Flip-Flop with Preset and Load

90 90 Positive-Edge-triggered D Flip-Flop with Preset and Load


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