Rise and rise again until lambs become lions 授課老師：伍紹勳 課程助教：江長庭、柯俊先

Rise and rise again until lambs become lions Outlines 74 series digital integrated circuit (IC) Tools and devices – Bread board – Power supply – Light-emitting diode (LED) LAB 1

Rise and rise again until lambs become lions 74 Series Digital IC 74XXOO – 74LS04 、 74LS08 、 74HC04… Logic high and low 74LS XXOO

Rise and rise again until lambs become lions Logic gate ( 邏輯閘 ) – NOT gate or INVERT B = ~ A or B = A – AND gate Q = AB – OR gate Q = A+B 74 Series Digital IC AB Input AOutput B Input AInput BOutput Q Input AInput BOutput Q

Rise and rise again until lambs become lions 74 Series Digital IC Example of logic circuit design – Alarming system Q : Broadcast warning signal – A : No body at home – B : Someone enters from the door – C : Someone enters from the window

Rise and rise again until lambs become lions 74 Series Digital IC

Rise and rise again until lambs become lions Tools 邏輯分析儀 *1 + USB 線 *1( 或 power supply) 1pin 線 *4 8pin 線 *2 紅鱷魚夾 *1 黑鱷魚夾 *1

Rise and rise again until lambs become lions Tools and devices Logic Analyzer ( 邏輯分析儀 ) – Power supply – USB connect to PC 5V GND

Rise and rise again until lambs become lions Tools and devices Bread board ( 麵包板 ) 麵包板上孔洞旁邊的紅線 ( 或藍線 ) 表示這排洞下面的銅箔 是連通的 ( 共電位 )

Rise and rise again until lambs become lions LAB 1 External Power VCC GND

Rise and rise again until lambs become lions Tools and devices LED – + : long pin (connect to result) – - : short pin (connect to GND) – Logic 1 : bright – Logic 0 : dark LED is dark – Logic 0 ? No signal ? LED is broken ? – To check it’s logic 0: + : long pin (connect to VCC) - : short pin (connect to result) Logic 0: bright ps: Don’t directly connect VCC and GND to LED for a long time. ( ∵大電流 )

Rise and rise again until lambs become lions LAB1 Show all cases Input/output of 7404(Inverter), 7408(AND), 7432(OR)

Rise and rise again until lambs become lions LAB 1 AND OR INVERTER