tutorial8_4

tutorial8_4 - 1 Outline : • Lab 4-2: Flip-Flops and...

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Unformatted text preview: 1 Outline : • Lab 4-2: Flip-Flops and Sequential Logic II- Clock Generator using 555 timer IC- 7-Segment Display (common anode)- BCD code- 74LS47 (BCD to 7-segment display decoder)- 4-Bit Synchronous counters- 74LS163 (Synchronous binary counter) • TTL counters design - Example Elec Elec Elec Elec Elec Elec Elec Elec 151 Tutorial #8 151 Tutorial #8 151 Tutorial #8 151 Tutorial #8 151 Tutorial #8 151 Tutorial #8 151 Tutorial #8 151 Tutorial #8 2 Clock Generator using 555 timer IC 555 Timer Output T1 = Clock high time = 0.7(R a + R b ) C 1 T2 = Clock low time = 0.7(R b ) C 1 T = Clock period = T1 +T2 = 0.7 (R a + 2R b ) C 1 DC = Duty cycle = T1/T = = period time high R R R R a b a b + + 2 1 T1 T2 T Clk Bypass capacitor Lab 4_2: Flip-Flops and Sequential Logic II Lab 4_2: Flip-Flops and Sequential Logic II • Prelab (1) Design the a counter circuit required and draw the schematics with all parts like IC, LEDs and resistors....
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This note was uploaded on 09/16/2010 for the course ELEC 151 taught by Professor Cy during the Spring '10 term at HKUST.

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tutorial8_4 - 1 Outline : • Lab 4-2: Flip-Flops and...

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