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MSI Logic Circuits

MSI Logic Circuits . Decoder. Group Introduction. 1. Phạm Cao Cường 2. Đặng Thái Sơn 3. Đặng Minh Tâm 4. Phạm Hồng Sơn 5. Nguyễn Nhật Minh 6. Lê Minh Tuấn Kiệt 7. Hồ Trọng Tài 8. Nguyễn Chí Hải. Content:. 1.Introduce : 2.Some demotic decoder IC : 2.1 IC 74138 2.2 IC 7442

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MSI Logic Circuits

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  1. MSI Logic Circuits Decoder

  2. Group Introduction 1. Phạm Cao Cường 2. Đặng Thái Sơn 3. Đặng Minh Tâm 4. Phạm Hồng Sơn 5. Nguyễn Nhật Minh 6. Lê Minh Tuấn Kiệt 7. Hồ Trọng Tài 8. Nguyễn Chí Hải

  3. Content: • 1.Introduce : • 2.Some demotic decoder IC : • 2.1 IC 74138 • 2.2 IC 7442 • 2.3 IC 7445 • 2.4 IC 7447 • 3.Others decoder IC :

  4. 1.Introduce : • A decoder is a device which does the reverse of an encoder, undoing the encoding so that the original information can be retrieved. The same method used to encode is usually just reversed in order to decode. • In digital electronics, a decoder can take the form of a multiple-input, multiple-output logic circuit that converts coded inputs into coded outputs, where the input and output codes are different. e.g. n-to-2n, binary-coded decimal decoders. Enable inputs must be on for the decoder to function, otherwise its outputs assume a single "disabled" output code word. Decoding is necessary in applications such as data multiplexing, 7 segment display and memory address decoding.

  5. 2.1. IC 74138 - 3-LINE TO 8-LINE DECODERS/DEMULTIPLEXRS

  6. 2.1. IC 74138 - 3-LINE TO 8-LINE DECODERS/DEMULTIPLEXRS

  7. 2.2.IC 7442: 4-LINE-TO-10-LINE DECODERS (1 of 10)

  8. 2.2.IC 7442 : 4-LINE-TO-10-LINE DECODERS (1 of 10)

  9. 2.3.IC 7445 : BCD-TO-DECIMAL DECODERS/DRIVERS

  10. 2.3.IC 7445 : BCD-TO-DECIMAL DECODERS/DRIVERS

  11. 2.4.IC 7447 : BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS

  12. 2.4.IC 7447 : BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS

  13. 3.Other decoder IC: 3.1.IC 74137:3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS WITH ADDRESS LATCHES

  14. 3.Other decoder IC: 3.1.IC 74137:3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS WITH ADDRESS LATCHES

  15. 3.2.IC 74145: BCD-TO-DECIMAL DECODERS/DRIVERS

  16. 3.2.IC 74145: BCD-TO-DECIMAL DECODERS/DRIVERS

  17. 3.3.IC 74154: 4-LINE TO 16-LINE DECODERS/DEMULTIPLEXERS

  18. 3.3.IC 74154: 4-LINE TO 16-LINE DECODERS/DEMULTIPLEXERS

  19. 3.4.IC 74155: DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS

  20. 3.5.IC 74156: DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS WITH OPEN-COLLECTOR OUTPUTS

  21. 3.6.IC 74237: 3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS WITH ADDRESS LATCHES

  22. 3.6.IC 74237: 3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS WITH ADDRESS LATCHES

  23. 3.7.IC 74247: BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS

  24. 3.7.IC 74247: BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS

  25. If you want to known more, you can download LOGIC Pocket Data Book Rev. B athttp://focus.ti.com/lit/ug/scyd013b/scyd013b.pdf

  26. Thank you !

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