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.

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Presentation transcript:

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 –2.2 IC 7442 –2.3 IC 7445 –2.4 IC 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.

IC LINE TO 8-LINE DECODERS/DEMULTIPLEXRS

6

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

8

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

IC 7445 : BCD-TO-DECIMAL DECODERS/DRIVERS

IC 7447 : BCD-TO-SEVEN- SEGMENT DECODERS/DRIVERS

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

IC 74145: BCD-TO-DECIMAL DECODERS/DRIVERS

IC 74145: BCD-TO-DECIMAL DECODERS/DRIVERS

IC 74154: 4-LINE TO 16-LINE DECODERS/DEMULTIPLEXERS

IC 74154: 4-LINE TO 16-LINE DECODERS/DEMULTIPLEXERS

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

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

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

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

IC 74247: BCD-TO-SEVEN- SEGMENT DECODERS/DRIVERS

IC 74247: BCD-TO-SEVEN- SEGMENT DECODERS/DRIVERS

25 If you want to known more, you can download LOGIC Pocket Data Book Rev. B at

26 Thank you !