Tocci ch 9 msi logic circuits
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This document covers MSI (medium-scale integration) logic circuits. It discusses decoders, multiplexers, encoders, and other digital logic components. Decoders take binary inputs and activate one of multiple outputs. Multiplexers select one of several inputs to output based on a digital select code. Encoders convert coded inputs to binary outputs. The document provides circuit diagrams and explanations of common MSI components like decoders, multiplexers, priority encoders, and code converters. It also discusses applications such as seven-segment displays, LCDs, and digital systems.
Tocci ch 9 msi logic circuits
- 1. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 19/21/2020 Chapter 9 MSI Logic Circuits
- 2. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 29/21/2020 DECODERS
- 3. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 39/21/2020 General Decoders
- 4. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 49/21/2020 1-of-8 Decoder n Inputs 2n Outputs
- 5. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 59/21/2020 1-of-8 Enabled Decoder
- 6. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 69/21/2020 1-of-8 Enabled Decoder
- 7. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 79/21/2020 1-of-32 Decoder
- 8. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 89/21/2020 Digital Function Implementation , , 1,2,4,7 , , 3,5,6,7 S x y z C x y z Full Adder
- 9. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 99/21/2020 BCD-to-Decimal Decoders
- 10. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 109/21/2020 BCD-To-Decimal Decoder/Driver + Open Collector O/P Stage: •Sink I <= 80 mA •VH <= 30 V
- 11. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 119/21/2020 Decoder Applications
- 12. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 139/21/2020 BCD-TO-7-SEGMENT DECODER/DRIVERS
- 13. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 149/21/2020 BCD-To-7-Segment Decoder/Driver
- 14. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 159/21/2020 BCD-To-7-Segment Decoder/Driver
- 15. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 169/21/2020 BCD-To-7-Segment Decoder/Driver
- 16. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 189/21/2020 LIQUID-CRYSTAL DISPLAYS
- 17. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 199/21/2020 Liquid Crystal Displays Segment-Backplane = Capacitor Activated Segments absorb light Or a small light source
- 18. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 209/21/2020 Liquid Crystal Displays f > 25 Hz to avoid flickering.
- 19. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 229/21/2020 Driving an LCD Segment
- 20. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 239/21/2020 Driving a 7-Segment LCD Display
- 21. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 259/21/2020 Types of LCD 1. 7-Segment 2. Alphanumeric 3. Graphical, Pixels 4. Color Displays; 3 sub-pixels/pixel 5. Active matrix TFT (Thin Film Transistor) LCD
- 22. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 269/21/2020 Types of LCD Thin Film Transistors: 1. Manufactured directly onto one piece of glass. 2. Switch the pixels on and off. 3. Their control lines run in rows and columns between the pixels 4. The other piece of glass has a uniform coating to form a backplane.
- 23. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 279/21/2020 ENCODERS
- 24. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 289/21/2020 The General Encoder
- 25. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 299/21/2020 1. Active Low Input 2. Active High Output 3. Only one Active Input Logic Circuit of a 8-to-3 Encoder
- 26. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 309/21/2020 Priority Encoders Multiple Active Inputs
- 27. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 319/21/2020 Decimal-to-BCD Priority Encoders # Pr
- 28. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 329/21/2020 Switch Encoder
- 29. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 339/21/2020 Decimal-to BCD Switch Encoder
- 30. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 349/21/2020 Key Press Ring Counter Initialization Keyboard Entry 1
- 31. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 369/21/2020 MULTIPLEXERS
- 32. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 379/21/2020 Multiplexers Data Selectors
- 33. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 399/21/2020 Multiplexers Functional Diagram
- 34. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 419/21/2020 2-input Multiplexer
- 35. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 439/21/2020 4-input Multiplexer Tristate Buffer
- 36. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 459/21/2020 8-input Multiplexer 0 71 2 3 4 5 6
- 37. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 469/21/2020 Combined Multiplexer
- 38. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 479/21/2020 Quad Two Input Multiplexer 1 0 0 0 0 B3 B2 B1 B0A3 A2 A1 A0 0 A3 A2 A1 A0 1 B3 B2 B1 B0 0
- 39. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 489/21/2020 MULTIPLEXER APPLICATIONS
- 40. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 499/21/2020 Multiplexer Applications 1. Data Routing 2. Parallel-To-Serial Conversion 3. Logic Function Generation
- 41. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 509/21/2020 Data Routing
- 42. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 519/21/2020 Parallel to Serial Converter
- 43. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 529/21/2020 Seven-Step Control Sequencer
- 44. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 539/21/2020 Seven-Step Control Sequencer
- 45. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 549/21/2020 Logic Function Generation 𝐼0 𝐼1 𝐼2 𝐼3 𝐼4 𝐼5 𝐼6 𝐼7
- 46. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 569/21/2020 A B Logic Function Generation 0 1 n-1 C 0 1 C
- 47. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 579/21/2020 DEMULTIPLEXERS (DATA DISTRIBUTORS)
- 48. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 589/21/2020 General Demultiplexers
- 49. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 599/21/2020 1-to-8 Demultiplexer Note: I is the Data Input Decoder Enable
- 50. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 609/21/2020 Decoder-Demultiplexer
- 51. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 619/21/2020 Clock Demultiplexer
- 52. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 629/21/2020 Security Monitoring System Door Open → 1Door Closed → 0
- 53. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 639/21/2020 Synchronous Data Transmission System 0 0 0 0 0 000 1 01 1 A0 Shift Enabled 11 A1A2A3 1 1 B0C0D0D3 1 1
- 54. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 649/21/2020 Synchronous Data Transmission System
- 55. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 659/21/2020 Synchronous Data Transmission System
- 56. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 669/21/2020 MAGNITUDE COMPARATOR
- 57. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 679/21/2020 Magnitude Comparator Less-Significant Digit
- 58. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 689/21/2020 Cascading Magnitude Comparator
- 59. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 699/21/2020 Simple Controller Application Magnitude comparator used in a digital thermostat
- 60. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 709/21/2020 CODE CONVERTERS
- 61. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 739/21/2020 Code Converters 1 × 1010 = 1010 𝑋 × 1010 = 𝑋0𝑋0 𝑋0 × 1010 = 𝑋0𝑋00 𝑌𝑋 × 1010 = 𝑌0 + 𝑋 × 1010 = 𝑌0𝑌00 + 𝑋0𝑋0 𝐷𝐶𝐵𝐴 × 1010 = 𝐷0𝐷0000 + 𝐶0𝐶000 + 𝐵0𝐵00 + 𝐴0𝐴0 𝑋00 × 1010 = 𝑋0𝑋000 𝐷𝐶𝐵𝐴 × 1010 = 𝐴0𝐴0 + 𝐵0𝐵00 +𝐶0𝐶000 +𝐷0𝐷0000
- 62. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 749/21/2020 Code Converters BCD-to-Binary
- 63. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 769/21/2020 Code Converters BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 0 0 0 0 0 0 A0 B0 2 0 0 0 0 0 B0 0 C0 4 0 0 0 0 C0 0 0 D0 8 0 0 0 D0 0 0 0 A1 10 0 0 0 A1 0 A1 0 B1 20 0 0 B1 0 B1 0 0 C1 40 0 C1 0 C1 0 0 0 D1 80 D1 0 D1 0 0 0 0
- 64. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 779/21/2020 Code Converters BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 A0 B0 2 B0 C0 4 C0 D0 8 D0 A1 10 A1 A1 B1 20 B1 B1 C1 40 C1 C1 D1 80 D1 D1
- 65. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 789/21/2020 Code Converters BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 B1 D0 C0 B0 A0 B0 2 A1 B1 A1 C0 4 D0 8 A1 10 B1 20 C1 40 C1 C1 D1 80 D1 D1
- 66. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 799/21/2020 Code Converters BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 B1 D0 C0 B0 A0 B0 2 A1 B1 A1 C0 4 Cr S3 S2 S1 S0 A0 D0 8 A1 10 B1 20 C1 40 C1 C1 D1 80 D1 D1
- 67. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 809/21/2020 Code Converters BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 B1 D0 C0 B0 A0 B0 2 A1 B1 A1 C0 4 Cr S3 S2 S1 S0 A0 D0 8 A1 10 B1 20 C1 40 C1 C1 D1 80 D1 D1
- 68. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 819/21/2020 Code Converters BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 B1 D0 C0 B0 A0 B0 2 A1 B1 A1 C0 4 Cr S3 S2 S1 S0 A0 D0 8 A1 10 B1 20 C1 40 C1 C1 D1 80 D1 D1
- 69. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 829/21/2020 Code Converters BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 B1 D0 C0 B0 A0 B0 2 A1 B1 A1 C0 4 Cr S3 S2 S1 S0 A0 D0 8 A1 10 B1 20 C1 40 C1 C1 D1 80 D1 D1
- 70. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 839/21/2020 BCD to Binary Converter
- 71. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 849/21/2020 Code Converters BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 B1 D0 C0 B0 A0 B0 2 A1 B1 A1 C0 4 Cr S4 S3 S2 S1 A0 D0 8 A1 10 B1 20 C1 40 C1 C1 D1 80 D1 D1
- 72. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 859/21/2020 Code Converters BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 B0 2 C0 4 Cr S4 S3 S2 S1 A0 D0 8 A1 10 B1 20 C1 40 C1 C1 D1 80 D1 D1
- 73. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 869/21/2020 Code Converters BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 B0 2 C0 4 Cr S4 S3 S2 S1 A0 D0 8 D1 C1 D1 C1 A1 10 B1 20 C1 40 D1 80
- 74. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 879/21/2020 Code Converters BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 B0 2 C0 4 Cr S4 S3 S2 S1 A0 D0 8 D1 C1 D1 C1 A1 10 B1 20 C1 40 D1 80
- 75. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 889/21/2020 BCD to Binary Converter
- 76. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 899/21/2020 Code Converters: a More Elegant Solution BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 A0 B0 2 B0 C0 4 C0 D0 8 D0 A1 10 A1 A1 B1 20 B1 B1 C1 40 C1 C1 D1 80 D1 D1
- 77. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 909/21/2020 Code Converters: a More Elegant Solution BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 A0 B0 2 B0 C0 4 C0 D0 8 D0 A1 10 A1 A1 B1 20 B1 B1 C1 40 C1 C1 D1 80 D1 D1
- 78. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 919/21/2020 Code Converters: a More Elegant Solution BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 A0 B0 2 B0 C0 4 C0 D0 8 D0 A1 10 A1 A1 B1 20 B1 B1 C1 40 C1 C1 D1 80 D1 D1
- 79. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 929/21/2020 Code Converters: a More Elegant Solution BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 A0 B0 2 B0 C0 4 C0 D0 8 D0 A1 10 A1 A1 B1 20 B1 B1 C1 40 C1 C1 D1 80 D1 D1
- 80. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 939/21/2020 Code Converters: a More Elegant Solution BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 C0 B0 A0 B0 2 B1 A1 C0 4 D0 8 D0 A1 10 A1 B1 20 B1 C1 40 C1 C1 D1 80 D1 D1
- 81. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 949/21/2020 Code Converters: a More Elegant Solution BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 C0 B0 A0 B0 2 B1 A1 C0 4 D0 8 D0 A1 10 A1 B1 20 B1 C1 40 C1 C1 D1 80 D1 D1
- 82. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 959/21/2020 Code Converters: a More Elegant Solution BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 C0 B0 A0 B0 2 B1 A1 C0 4 D0 8 D0 A1 10 A1 B1 20 B1 C1 40 C1 C1 D1 80 D1 D1
- 83. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 969/21/2020 Code Converters: a More Elegant Solution BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 D0 C0 B0 A0 B0 2 C1 B1 A1 C0 4 D0 8 A1 10 A1 B1 20 B1 C1 40 C1 D1 80 D1 D1
- 84. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 979/21/2020 Code Converters: a More Elegant Solution BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 D0 C0 B0 A0 B0 2 C1 B1 A1 C0 4 D0 8 A1 10 A1 B1 20 B1 C1 40 C1 D1 80 D1 D1
- 85. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 989/21/2020 Code Converters: a More Elegant Solution BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 D0 C0 B0 A0 B0 2 D1 C1 B1 A1 C0 4 D0 8 A1 10 A1 B1 20 B1 C1 40 C1 D1 80 D1
- 86. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 999/21/2020 Code Converters: a More Elegant Solution BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 D0 C0 B0 A0 B0 2 D1 C1 B1 A1 C0 4 Cr S3 S2 S1 S0 D0 8 A1 10 A1 B1 20 B1 C1 40 C1 D1 80 D1
- 87. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 1009/21/2020 Code Converters: a More Elegant Solution BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 D0 C0 B0 A0 B0 2 D1 C1 B1 A1 C0 4 Cr S3 S2 S1 S0 D0 8 A1 10 A1 B1 20 B1 C1 40 C1 D1 80 D1
- 88. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 1019/21/2020 Code Converters: a More Elegant Solution BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 D0 C0 B0 A0 B0 2 D1 C1 B1 A1 C0 4 Cr S3 S2 S1 S0 D0 8 A1 10 A1 B1 20 B1 C1 40 C1 D1 80 D1
- 89. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 1029/21/2020 Code Converters: a More Elegant Solution BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 D0 C0 B0 A0 B0 2 D1 C1 B1 A1 C0 4 Cr S3 S2 S1 S0 D0 8 A1 10 A1 B1 20 B1 C1 40 C1 D1 80 D1
- 90. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 1039/21/2020 Code Converters: a More Elegant Solution BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 D0 C0 B0 A0 B0 2 D1 C1 B1 A1 C0 4 Cr S3 S2 S1 S0 D0 8 A1 10 A1 B1 20 B1 C1 40 C1 D1 80 D1
- 91. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 1049/21/2020 Code Converters: a More Elegant Solution BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 D0 C0 B0 A0 B0 2 D1 C1 B1 A1 C0 4 Cr S3 S2 S1 S0 D0 8 D1 C1 B1 A1 A1 10 B1 20 C1 40 D1 80
- 92. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 1059/21/2020 Code Converters: a More Elegant Solution BCD Dec Wt Binary Equivalent Bit b6 b5 b4 b3 b2 b1 b0 A0 1 D0 C0 B0 A0 B0 2 D1 C1 B1 A1 C0 4 Cr S3 S2 S1 S0 D0 8 D1 C1 B1 A1 A1 10 B1 20 C1 40 D1 80
- 93. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 1069/21/2020 DATA BUSING
- 94. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 1079/21/2020 Data Busing
- 95. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 1089/21/2020 TRISTATE REGISTER
- 96. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 1099/21/2020 The Tristate Register TriState
- 97. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 1109/21/2020 DATA BUS OPERATION
- 98. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 1119/21/2020 Data Bus Operation Register Data In and Data Out are shorted!!!
- 99. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 1129/21/2020 Data Bus Operation Simplified representation
- 100. Copyright Muhammad A M Islam.SBE202B MSI Logic Circuits 1139/21/2020 Data Bus Operation
Editor's Notes
- #2: Decoders, Encoders, Multiplexers, & Demultiplixers. Mano ()