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Ā 0 Ā 1 Ā 2 Ā 3 10 to 4 line ENCODER Ō 0 Ō 1 Ō 2 Ō 3 4 line to 10 line Decoder (Active LOW) Ō 9 Ā 3 Ā 2 Ā 1 Ā 0 Ō 9 Ō 8 Ō 7 Ō 6 Ō 5 Ō 4 Ō 3 Ō 2 Ō 1 Ō 0 Truth Table 0 0 0 0 1 1 1 1 1 1 1 1 1 0 0 0 0 1 1 1 1 1 1 1 1 1 0 1 0 0 1 0 1 1 1 1 1 1 1 0 1 1 0 0 1 1 1 1 1 1 1 1 0 1 1 1 0 1 0 0 1 1 1 1 1 0 1 1 1 1 0 1 0 1 1 1 1 1 0 1 1 1 1 1 0 1 1 0 1 1 1 0 1 1 1 1 1 1 0 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 0 0 1 0 1 1 1 1 1 1 1 1 1 0 0 1 0 1 1 1 1 1 1 1 1 1
DECODERS: BCD TO 7-SEGMENT DECODER/DRIVER BCD input 0 01 10 10 BCD-to- 7-Segment Decoder/ Driver Decimal output LED • Electronic decoders are available in IC form. • This decoder translates from BCD to decimal. • Decimals are shown on an 7-segment LED display. • This IC also drives the 7-segment LED display.
Page 1 and 2: Digital Electronics Electronics Tec
Page 3 and 4: Block Diagram BINARY CODE OUTPUT ON
Page 5: Ā 0 Ā 1 10 to 4 line ENCODER Ō 0
Page 8 and 9: THE 8421 BCD CODE • BCD stands fo
Page 10 and 11: DECODER DECODER- a digital circuit
Page 12 and 13: 3 to 8 encoder A 0 O 0 A 1 O 1 A 2
Page 16: TEST Q #1- #2- #3- #4- #5- What is
Page 19 and 20: TEST A 0 A 1 A 2 A 3 A 4 ENCODER O
Page 21 and 22: Question • IC 74138 is a 3 to 8 d
Page 23 and 24: What is a Multiplexer (MUX)? • A
Page 25 and 26: 4-to-1 Multiplexer (MUX) D0 D1 D2 D
Page 27 and 28: Medium Scale Integration MUX 4-to-1
Page 29 and 30: Typical Application of a DEMUX Sing
Page 31 and 32: 1-to-4 De-Multiplexer Waveforms X S
Page 33 and 34: Seeing Is NOT Always Believing •
Page 35 and 36: TEST ANSWER THE FOLLOWING QUESTIONS

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