⺰ℂ࿁〝ታ㛎ᢎ᧚ߩ㐿⊒
⍹ᯅ ቁᤘ
㧖Experimental Device for Learning of Logical Circuit Design using Integrated Circuits
Takaaki Ishibashi㧖
Abstract: This paper presents an experimental device for learning of logical circuit design using integrated circuits and breadboards. The experimental device can be made at a low cost and can be used for many subjects such as logical circuits, computer engineering, basic electricity, electrical circuits and electronic circuits. The proposed device is effective to learn the logical circuits than the usual lecture.
ࠠࡢ࠼㧦⺰ℂ࿁〝㧘ࡠࠫ࠶ࠢIC Keywords㧦Logical Circuit, Integrated Circuit
㧝 ߹߃߇߈
ᾢᧄ㜞╬ኾ㐷ቇᩞᖱႎㅢାࠛࠢ࠻ࡠ࠾ࠢࠬᎿቇ⑼ߢߪ 2 ᐕ↢ߩ⸘▚ᯏᎿቇߩ⑼⋡ߢ⺰ℂ࿁〝ߩᬺࠍታᣉߒߡ ࠆ㧚ᧄᩞߦ㒢ࠄߕ㧘৻⥸⊛ߦ㧘㔚᳇♽ߩᄢቇ߿㜞ᩞߦ߅ ߡ߽⺰ℂ࿁〝ߩᬺߪታᣉߐࠇߡࠆ㧚 ⺰ℂ࿁〝ߩᬺߢߪ㧘ࠦࡦࡇࡘ࠲߇ᛒ߁ 2 ㅴᢙࠍቇࠎ ߛᓟߦ㧘⚵ߺวࠊߖ࿁〝ߣ㗅ᐨ࿁〝ߩേ߿⸳⸘ߦߟߡ ቇ߱ߎߣߦߥࠆ㧚නୃᓧ⠪ߪߢߩ⺰ℂ࿁〝⸳⸘߇ߢ ߈ࠆࠃ߁ߦߥࠆ߇㧘㔚᳇࿁〝߿㔚ሶ࿁〝ߣ⇣ߥࠅ㧘ታ㓙ߦ േ⏕߿․ᕈ⸘᷹ߩታ㛎ࠍⴕ߁ᯏળߪዋߥ㧚 ߘߩߚᧄᩞߢߪ㧘࿑ 1 ߦ␜ߔࡠࠫ࠶ࠢ࠻࠽ࠍ↪ ߡ⸳⸘ߣหᤨߦ࿁〝ࠍߒ㧘࿁〝േࠍቇ↢⥄りߩ⋡ ߢ⏕ߢ߈ࠆࠃ߁ߥࠞࠠࡘࡓࠍขࠅࠇߡࠆ㧚ߘߩ ⚿ᨐ㧘Ფᐕ㧘ቇ↢߆ࠄታ㛎ࠍⴕ߁ߎߣߢℂ⸃߇ᷓ߹ߞߚߣ ߩ⹏ଔࠍᓧߡࠆ㧚ߎߩࠃ߁ߥታ㛎ࠍขࠅࠇߚߎߣߢ㧘 ⺰ℂ࿁〝⸳⸘ߩቇ⠌ലᨐߪ㕖Ᏹߦ㜞ߊߥߞߡࠆߣ⠨߃ࠄ ࠇࠆ㧚 ߒ߆ߒߥ߇ࠄ㧘ࡠࠫ࠶ࠢ࠻࠽ࠍ↪ࠆ႐ว㧘⸳⸘ ߢߪ⺰ℂ࿁〝⚛ሶ㧔MIL ⸥ภ㧕ࠍන⚐ߦធ⛯ߔࠆߎߣߦߥࠅ㧘ታ㓙ߩ࿁〝⸳⸘ߢ↪ࠆ㓸Ⓧ࿁〝㧔IC: Integrated Circuit㧕
ࠍ↪ߒߚ⸳⸘ߪਇน⢻ߢࠆ㧚ߎߩߎߣߪ㧘࿑ 2 ߩ
CircuitMaker 6.0 Student (1)߿㧘࿑3 ߦ␜ߔ TINA 7 (2)ߩࠃ߁ߥ
ࡄ࠰ࠦࡦࠍ↪ߒߚ࿁〝ࠪࡒࡘ࠲ߥߤߩ࠰ࡈ࠻࠙ࠚࠕ ߦ߅ߡ߽ห᭽ߢࠆ㧚 ᧄ⺰ᢥߢߪ㧘ࡉ࠶࠼ࡏ࠼ࠍ↪ߡታ㓙ߦIC ࠍ㈩✢ߢ ߈ࠆ⺰ℂ࿁〝ታ㛎ᢎ᧚ߩࠍⴕ߁ߎߣߢ㧘IC ߆ࠄ⺰ℂ࿁ 〝ࠍ⸳⸘ߢ߈ࠆᛛⴚ⠪ࠍ㙃ᚑߔࠆߎߣࠍ⋡⊛ߣߒߡታᣉߒ ߚขࠅ⚵ߺߣߘߩലᨐߦߟߡ⺰ߓࠆ㧚ᧄขࠅ⚵ߺߪ㧘 ᓟߩታ㛎ᢎ᧚ߢ⺰ℂ࿁〝ࠍቇ⠌ߢ߈ࠆߎߣߪ߽ߜࠈࠎߩ ߎߣ㧘ᢎ᧚߽IC ࠍ↪ߒߚ࿁〝⸳⸘ߣߥߞߡࠆ㧚ᢎ ᧚ࠍᬺߦขࠅࠇࠆߎߣߢ㧘ቇ↢ߦኻߒߡㅢᏱߩ ᬺߢߪ᳇ઃ߈ߦߊߎߣࠍ⠌ᓧߐߖࠆߎߣ߇น⢻ߦߥࠆ㧚 ࿑1 ࡠࠫ࠶ࠢ࠻࠽ ࿑2 CircuitMaker 6.0 Student 㧖 ᖱႎㅢାࠛࠢ࠻ࡠ࠾ࠢࠬᎿቇ⑼ ޥ861-1102 ᾢᧄ⋵วᔒᏒ㗇ደ 2659-2
Dept. of Information, Communication and Electronic Engineering, 2659-2 Suya, Koshi-shi, Kumamoto, Japan 861-1102
⺰ℂ࿁〝ታ㛎ᢎ᧚ߩ㐿⊒㧔⍹ᯅቁᤘ㧕 ࿑3 TINA 7 ߔߥࠊߜ㧘⺰ℂ࿁〝ߢߪ㔚Ḯ㔚߇ᔅⷐߢࠆߎߣ㧘㔚Ḯ ߩ㔚⸳ቯࠍ⍮ࠆߎߣ㧘IC ߩⷙᩰ߿․ᕈ߇⸥タߐࠇߡࠆ ࠺࠲ࠪ࠻ߩᣇ߿ߘߩౝኈࠍℂ⸃ߢ߈ࠆࠃ߁ߦߥࠆߎ ߣ㧘IC ߦߪࡃࠗࡄࠬࠦࡦ࠺ࡦࠨࠍ↪ࠆߎߣ㧘ജ┵ሶߪ ࡊ࡞ࠕ࠶ࡊ߽ߒߊߪࡊ࡞࠳࠙ࡦߒߡ߅ߊߎߣ㧘LED ߩὐἮ ߦߪ㔚ᵹ㒢ᛶ᛫߇ᔅⷐߥߎߣߥߤࠍ⠌ᓧߢ߈ࠆ㧚 ታ㓙ߦᧄᢎ᧚ࠍߒߚߣߎࠈ㧘⾌↪ߪ2,000 ⒟ᐲߢ ߞߚ㧚Ꮢ⽼ߐࠇߡࠆIC ࠻࠽CT-311R ߇⚂ 20,000 ߢࠆߎߣߣᲧセߔࠆߣ㧘タㇱຠᢙߥߤߢഠࠆ߽ߩߩ㧘 㕖Ᏹߦଔߦߢ߈ࠆࡔ࠶࠻߇ࠆߎߣ߇ಽ߆ࠆ㧚߹ ߚ㧘ࡉ࠶࠼ࡏ࠼ߢ࿁〝ࠍߔࠆߚ㧘ઁ⑼⋡ߦ߅ߌ ࠆ㔚᳇㔚ሶ࿁〝ߢߩ↪߽น⢻ߢࠆ㧚ߐࠄߦ㧘ᧄᢎ ᧚ߢ↪ࠆ⚛ሶߪኈᤃߦᚻߢ߈ࠆߚ㧘ᬺࠍ⊒ዷߐߖ ߚᄢⷙᮨߩ࿁〝⸳⸘߽ታᣉน⢻ߢࠆ㧚
㧞. ࡉ࠶࠼ࡏ࠼ߣࡠࠫ࠶ࠢ IC
2.1 ࡉ࠶࠼ࡏ࠼ ࡉ࠶࠼ࡏ࠼ߪ㧘࠰࡞࠳ࠬࡏ࠼ߣ߽߫ࠇࠆ㔚ሶ ࿁〝ࠍߔࠆߚߩࡏ࠼ߢࠆ㧚ᧄታ㛎ᢎ᧚ߩߢ ߪ㧘EIC-102J ࠍ↪ߔࠆ㧚ߎߩࡉ࠶࠼ࡏ࠼ߪࠫࡖࡦࡄ ✢߇ઃዻߐࠇߡ⽼ᄁߐࠇߡࠆߚ㧘⾼ᓟߔߋߦ߇ น⢻ߢࠆ㧚 ࡉ࠶࠼ࡏ࠼ߩ⚵ߺߪએਅߩㅢࠅߢࠆ㧚߹ߕ㧘ࡉ ࠶࠼ࡏ࠼ߩⓣߪ0.1 ࠗࡦ࠴㧔2.5mm㧕㑆㓒ߦߥߞߡࠆ㧚 ߹ߚ㧘ਛᄩߩḴߪ0.4 ࠗࡦ࠴㑆㓒ߦߥߞߡࠆ㧚ߎࠇࠄߪ㧘 IC ߿ 7 ࠣࡔࡦ࠻ LED ߥߤߩⷙᩰߦวࠊߖߡࠆߚߢ ࠆ㧚ᄙߊߩ㔚ሶㇱຠߢߪ㧘┵ሶߩ㑆㓒߇0.1 ࠗࡦ࠴߆ߘߩᢛ ᢙߣߥߞߡࠆߩߢ㧘㔚ሶㇱຠࠍߘߩ߹߹ࡉ࠶࠼ࡏ ࠼ߦᝌߔߎߣ߇ߢ߈ࠆ㧚ߒ߆ߒ㧘ᛶ᛫߿࠻ࡦࠫࠬ࠲ߪ㧘 ࡉ࠶࠼ࡏ࠼ߩⓣߦวࠊߖߡ┵ሶࠍᢛᒻߔࠆࡈࠜࡒࡦ ࠣ߇ᔅⷐߦߥࠆ㧚 ࡉ࠶࠼ࡏ࠼ߩౝㇱߦߪዉ߇ၒㄟࠎߢࠆ㧚ߎߩ ዉߪవ┵߇ࠢ࠶ࡊ⁁ߦߥߞߡࠆ㧚ߎߩㇱಽ߇ࡉ࠶ ࠼ࡏ࠼ߩⓣ߆ࠄᝌߐࠇߚࡄ࠷ߩ⿷߿࠼✢ࠍߐ ߃ࠆ㧚ߒߚ߇ߞߡ㧘ࡉ࠶࠼ࡏ࠼ߦࠆᄙᢙߩⓣߦ㔚ሶ ㇱຠ߿ࠫࡖࡦࡄ✢ࠍ⋥ធᏅߒㄟߎߣߢ㧘㔚ሶ࿁〝ࠍ ߢ߈ࠆ㧚ࡉ࠶࠼ࡏ࠼ౝㇱߪ㔚᳇⊛ߦⷙೣ⊛ߦߟߥ߇ߞ ߡࠆߩߢ㧘ߘߩߎߣߦᵈᗧߒߥ߇ࠄ࿁〝ࠍߔࠆ㧚 ࡉ࠶࠼ࡏ࠼ߪߪࠎߛઃߌࠍߖߕߦ㔚ሶ࿁〝ࠍߢ ߈ࠆߩߢ㧘⚛ሶࠍขࠅᄌ߃ߡⴕ߁ታ㛎߿㧘ᣂߒ࿁〝ߩ⹜ ߦଢߢࠆ㧚߹ߚ㧘ߪࠎߛߏߡߦࠃࠆἫ்߇ߥߎߣ ߿㧘ߪࠎߛઃߌਇ⦟ߦࠃࠆ࿁〝ߩ⺋േ߇ߥߎߣ߽․ᓽ ߢࠆ㧚ߒ߆ߒ㧘㜞ᵄ࿁〝߿♖ኒߥ࿁〝ߩߦߪਇะ ߈ߢࠆߚ㧘ߔࠆ࿁〝߇ࡉ࠶࠼ࡏ࠼ߢน⢻ ߆ߤ߁߆ࠍ⠨ᘦߒߥߌࠇ߫ߥࠄߥ㧚 2.2 ࡠࠫ࠶ࠢIC ታ㛎ᢎ᧚ߢ↪ࠆࡠࠫ࠶ࠢIC ߩဳ⇟߿⺰ℂ⚛ሶߩౝ⬿ᢙ ࠍ1 ߦ␜ߔ㧚߹ߚ㧘ߘࠇࠄߩ IC ߩౝㇱ࿁〝ࠍ࿑ 4 ߆ࠄ࿑ 15 ߦ㧘⌀ℂ୯ࠍ 2 ߆ࠄ 13 ߦ㧘ߘࠇߙࠇ␜ߔ㧚⌀ℂ୯ ౝߩH ߪ High㧘L ߪ Low㧘ߪ౬㐳㗄㧘χߪࡄ࡞ࠬߩ┙ ߜ߇ࠅ㧘ωߪࡄ࡞ࠬߩ┙ߜਅ߇ࠅࠍ␜ߔ㧚ߐࠄߦ㧘⌀ℂ ୯ߩੑ㊀✢ࠃࠅᏀߪജࠍ㧘ฝߪജࠍ␜ߔ㧚 1 ߩ⺰ℂ⚛ሶߩᢙࠍߺࠆߣ㧘⚵ߺวࠊߖ࿁〝ߢቇ⠌ߔ ࠆ㧘ട▚ེ㧘ࠛࡦࠦ࠳㧘࠺ࠦ࠳㧘Ყセེ㧘ࡑ࡞࠴ࡊ ࠢࠨ㧘࠺ࡑ࡞࠴ࡊࠢࠨߥߤߩ࿁〝ࠍߔࠆߦߪචಽߥ ᢙߢࠆ㧚߹ߚ㧘㗅ᐨ࿁〝ߩࠫࠬ࠲㧘ࠞ࠙ࡦ࠲ߥߤࠍ ߔࠆߣ߈ߦߪ㧘JK-FF ࠍ↪ߒߡ D-FF ࠍߒߚࠅ㧘 JK-FF ߿ D-FF ࠍ↪ߒߡ T-FF ࠍߒߚࠅߔࠇ߫ࠃߣ⠨ ߃ࠆ㧚 1 ⺰ℂ࿁〝⚛ሶߣߘߩဳ⇟ ⺰ℂ࿁〝⚛ሶ ౝ⬿ᢙ ဳ⇟ NOT 6 TC74HC04AP 2 ജ AND 4 TC74HC08AP 2 ജ OR 4 TC74HC32AP 2 ജ NAND 4 TC74HC00AP 2 ജ NOR 4 TC74HC02AP 2 ജ XOR 4 TC74HC86AP 2to4 ࠺ࠦ࠳ 2 TC74HC139AP 4ch ࡑ࡞࠴ࡊࠢࠨ 2 TC74HC153AP D-FF 2 TC74HC74AP JK-FF 2 TC74HC107AP ࠕ࠶ࡊ࠳࠙ࡦࠞ࠙ࡦ࠲ 1 TC74HC191AP BCDto7 ࠣ࠺ࠦ࠳ 1 TC74HC4511AP 13 2 8 9 10 11 12 1 3 4 5 6 Vc c 14 GND 7 ࿑4 NOT 13 2 8 9 10 11 12 1 3 4 5 6 Vc c 14 GND 7 ࿑5 2 ജ AND 2 NOT ߩ⌀ℂ୯ A Y L H H L 3 AND ߩ⌀ℂ୯ A B Y L L L L H L H L L H H H13 2 8 9 10 11 12 1 3 4 5 6 Vc c 14 GND 7 13 2 8 9 10 11 12 1 3 4 5 6 Vc c 14 GN D 7 ࿑ 6 2 ജ OR ࿑ 7 2 ജ NAND 13 2 8 9 10 11 12 1 3 4 5 6 Vc c 14 GN D 7 13 2 8 9 10 11 12 1 3 4 5 6 Vc c 14 GN D 7 ࿑ 8 2 ജ NOR ࿑ 9 2 ജ XOR 2 1 3 4 5 6 7 GND 8 9 10 11 12 13 14 15 Vc c 16 Y3 G Y0 Y1 Y2 B A Y3 G Y2 Y0 Y1 B A 1 2 3 4 5 6 7 GND 8 9 10 11 12 13 14 15 Vc c 16 A B Y C0 C1 C2 C3 G C0 C1 C2 C3 G Y ࿑ 10 ࠺ࠦ࠳ ࿑ 11 ࡑ࡞࠴ࡊࠢࠨ 8 ࠺ࠦ࠳ߩ⌀ℂ୯ G B A Y0 Y1 Y2 Y3 H H H H H L L L L H H H L L H H L H H L H L H H L H L H H H H H L 9 ࡑ࡞࠴ࡊࠢࠨߩ⌀ℂ୯ G B A C0 C1 C2 C3 Y H L L L L L L L L L H H L L H L L L L H H H L H L L L L H L H H L H H L L L H H H H 13 2 8 9 10 11 12 1 3 4 5 6 Vc c 14 GND 7 CK PR CLR Q Q D CK PR CLR Q Q D ࿑12 D-FF 13 2 8 9 10 11 12 1 3 4 5 6 Vc c 14 GN D 7 CLR Q Q CK K J CLR Q Q CK K J ࿑13 JK-FF GND 8 Vc c 16 15 1 10 9 14 4 6 7 3 2 5 12 13 11 CK D B A C DOWN/UP QC QB QD QA LD CO MAX/MIN ENABLE 8GND Vc c 16 15 1 10 9 14 4 6 7 3 2 5 12 13 11 BI B C LT LE D A e d c b a g f ࿑ 14 ࠞ࠙ࡦ࠲ ࿑ 15 BCDto7 ࠣ࠺ࠦ࠳ 12 ࠞ࠙ࡦ࠲ߩ⌀ℂ୯ LD ENABLE D/U CK QA QB QC QD L a b c d H L L χ Up count H L H χ Down count H H χ No change H ω No change 13 BCDto7 ࠣ࠺ࠦ࠳ߩ⌀ℂ୯ LE B I L T D C B A a b c d e f g L H H H H H H H L H L L L L L L L L H H L L L L H H H H H H L L H H L L L H L H H L L L L L H H L L H L H H L H H L H L H H L L H H H H H H L L H L H H L H L L L H H L L H H L H H L H L H H L H H L H H L H H L H H L L L H H H H H L H H L H H H H H H L L L L L H H H L L L H H H H H H H L H H H L L H H H H L L H H L H H H L H L L L L L L L L H H H H L L L L L L L H H H LE ߩ┙ߜ߇ࠅᤨߩജࠍᜬ 5 NAND ߩ⌀ℂ୯ A B Y L L H L H H H L H H H L 4 OR ߩ⌀ℂ୯ A B Y L L L L H H H L H H H H 6 NOR ߩ⌀ℂ୯ A B Y L L H L H L H L L H H L 7 XOR ߩ⌀ℂ୯ A B Y L L L L H H H L H H H L 10 D-FF ߩ⌀ℂ୯ CLR PR C CK Q L H H H L L L L H H H L χ H H H H χ L H H ω Qn 11 JK-FF ߩ⌀ℂ୯ CLR J K CK Q L L H L L ω Qn H L H ω L H H L ω H H H H ω Qʊ n H χ Qn
⺰ℂ࿁〝ታ㛎ᢎ᧚ߩ㐿⊒㧔⍹ᯅቁᤘ㧕
㧟
. ⺰ℂ࿁〝ታ㛎ᢎ᧚ߩ
3.1 㔚Ḯ 㔚ሶᎿߩ◲ଢߐࠍ⠨ᘦߒߡ㧘㔚Ḯߪੇ㔚ᳰߣߔࠆ㧚ࡠ ࠫ࠶ࠢIC ߩ࠺࠲ࠪ࠻߆ࠄ㧘IC ߩേ㔚▸࿐ߪ 2㨪6V ߣ⸥タߐࠇߡࠆߚ㧘ߘߩ▸࿐ౝߢቯߒߥߌࠇ߫ߥࠄ ߥ㧚߹ߚ㧘ജ࿁〝ߩLED ࠍὐἮߐߖࠆߎߣࠍ⠨߃ࠆ㧚 ࿁↪ߔࠆLED ߩ㗅ᣇะ㔚߇⚂ 2V ߢࠆߎߣ߆ࠄ㧘 ߘࠇࠃࠅ߽㜞㔚ߦߒߥߌࠇ߫ߥࠄߥ㧚߹ߚ㧘3.5 ߩࡄ ࡞ࠬ⊒↢࿁〝ߩ㔚Ḯ㔚߽หߓ㔚Ḯࠍ↪ߒߚ㧚ߘߎߢ ↪ߔࠆ࠲ࠗࡑIC ߩ࠺࠲ࠪ࠻ࠍ⏕ߔࠆߣ㧘1.5V ߆ࠄ േߒ㧘⛘ኻᦨᄢቯᩰߪ15V ߣ⸥タߐࠇߡࠆ㧚એߩߎ ߣ߆ࠄ㧘㔚Ḯߪੇ㔚ᳰ2 ᧄߩ 3.0V ߦቯߔࠆ㧚 3.2 ജ࿁〝 ⺰ℂ࿁〝߳ߩജߪ࠲ࠢ࠻ࠬࠗ࠶࠴㧔ߒࡏ࠲ࡦࠬࠗ࠶ ࠴㧕ࠍ↪ࠆߎߣߦߔࠆ㧚࠲ࠢ࠻ࠬࠗ࠶࠴ߪ㧘ࠬࠗ࠶࠴ࠍ ߔߣዉㅢߒON ߦߥࠅ㧘㔌ߔߣㆤᢿߐࠇ OFF ߦߥࠆ㧚࠲ ࠢ࠻ࠬࠗ࠶࠴ߢߪ ON ࠍ⛽ᜬߔࠆߣ߈ߪᔅߕߒ⛯ߌߥߌ ࠇ߫ߌߥ࠺ࡔ࠶࠻߇ࠆߚ㧘࠻ࠣ࡞ࠬࠗ࠶࠴ࠍ↪ ߡ߽ࠃ㧚ߎߩࠃ߁ߥࠬࠗ࠶࠴ࠍ↪ࠆ႐ว㧘ࡠࠫ࠶ࠢ IC ߩᧂ↪ߩജ┵ሶࠍࠝࡊࡦߦߒߥߎߣ߇㊀ⷐߢ ࠆ㧚TTL IC ߢࠇ߫ᧂ↪ߩ┵ሶߪ High ߣߒߡേߔࠆ߇㧘 ࡁࠗ࠭ߦᒙߊߥߞߡߒ߹߁㧚߹ߚ㧘C-MOS IC ߩ႐ว㧘ᧂ ↪┵ሶߪHigh ߆ Low ߆߇߹ࠄߕਇቯߣߥߞߡߒ߹߁㧚 ߐࠄߦ㧘หߓIC ౝߩᧂ↪⚛ሶߩജ┵ሶ߽ࠝࡊࡦߦߒ ߡߪߥࠄߥ㧚ߘߩߚ㧘ߩMIL ⸥ภߛߌߩ࿁〝⸳⸘ ߢߪᗧ⼂ߒ㔍ᧂ↪ߩ┵ሶߩಣℂ߇ᔅⷐߢࠆ㧚 ᧂ↪┵ሶࠍࠝࡊࡦߦߒߥߚߦߪ㧘ࡊ࡞ࠕ࠶ࡊ߽ ߒߊߪࡊ࡞࠳࠙ࡦߔࠆ㧚ࡊ࡞ࠕ࠶ࡊߪ㔚Ḯߦធ⛯ߔࠆߎߣ ߢࠅ㧘ࡊ࡞࠳࠙ࡦߪࠣࡦ࠼ߦធ⛯ߔࠆߎߣߢࠆ㧚࠲ ࠢ࠻ࠬࠗ࠶࠴ࠍ↪ߡHigh ߣ Low ࠍಾࠅᦧ߃ࠆߚߦߪ㧘 ࿑16 ߿࿑ 17 ߩ࿁〝ࠍߔࠆߎߣߦߥࠆ㧚࿑ 16 ߣ 17 ߢ ߪജࡌ࡞ߩ⺑ߩߚ㧘NOT ⚛ሶ߽⸥タߒߡࠆ㧚࿑ 16 ߢߪ㧘࠲ࠢ࠻ࠬࠗ࠶࠴߇ OFF ߩߣ߈ NOT ߩജߪࠣ ࡦ࠼߇ធ⛯ߐࠇߡࠆߚLow ߦߥࠆ㧚࠲ࠢ࠻ࠬࠗ࠶࠴߇ ON ߦߥࠆߣᛶ᛫ߢ㔚㒠ਅ߇↢ߓߡ High ߇ജߐࠇࠆ㧚 ৻ᣇ㧘࿑17 ߢߪ㧘࠲ࠢ࠻ࠬࠗ࠶࠴߇ ON ߩߣ߈ Low ߇ജ ߐࠇ㧘OFF ߩߣ߈ High ߇ജߐࠇࠆߎߣߦߥࠆ㧚࿁ߪ࿑ 16 ߩࡊ࡞࠳࠙ࡦࠍណ↪ߔࠆ㧚ߎߩߣ߈ߩࡊ࡞࠳࠙ࡦᛶ᛫ߪ 10k:ߣߒߚ㧚 ࿑16 ࡊ࡞࠳࠙ࡦ ࿑ 17 ࡊ࡞ࠕ࠶ࡊ 3.3 ജ࿁〝 ࿁〝േࠍ⏕ߔࠆߚߦ㧘ᧄᢎ᧚ߢߪLED ࠍ↪ࠆ㧚 ߔߥࠊߜ㧘LED ߩὐἮ߿ᶖἮߦࠃߞߡ㧘ജ߇ High ߢࠆ ߆Low ߢࠆ߆ࠍ್ᢿߔࠆ㧚LED ࠍὐἮߐߖࠆߚߦߪ㧘 ㆡಾߥ㔚ᵹࠍLED ߦᵹߖ߫ࠃ㧚ታ㓙ߩ࿁〝ߢߪ㧘㔚Ḯߣ LED ߣᛶ᛫ࠍ⋥ធ⛯ߒ㧘ߘߩᛶ᛫ߩ୯ߦࠃߞߡ㔚ᵹ୯ࠍ ࠆߎߣߦߥࠆ㧚ߘߩߚ㧘ߎߩߣ߈ߩᛶ᛫ߪ㔚ᵹ㒢 ᛶ᛫ߣ߫ࠇߡࠆ㧚 LED ߩ㗅ᣇะ㔚߇ 2.0V ߢࠆߎߣࠍ⠨ᘦߒߡ㧘LED ߦ ᵹߔ㔚ᵹߩ୯ࠍࠇ߫㧘㔚ᵹ㒢ᛶ᛫ߩᛶ᛫୯ߪ⥄ߕߣ ᳞߹ࠆ㧚LED ߩ࠺࠲ࠪ࠻߆ࠄ㧘࿁ߩ LED ߩ⛘ኻᦨᄢ ቯᩰࠍࠆߣ㧘㗅ᣇะ㔚ᵹߪ30mA ߣ⸥タߐࠇߡࠆߩߢ㧘 ߘࠇࠍචಽߦਅ࿁ࠆ㔚ᵹ୯ߢࠆ2mA ߣߔࠆ㧚2mA ߢߪ㔚 ᵹ߇ዋߥࠃ߁ߦ߽ᕁ߃ࠆ߇㧘ታ㓙ߦὐἮߐߖߡߺߚߣߎ ࠈ㧘චಽߥࠆߐߢߞߚ㧚߹ߚ㧘ߎߩ୯ߪࡠࠫ࠶ࠢIC ߩ ⛘ኻᦨᄢቯᩰ߽චಽߦਅ࿁ߞߡࠆ㧚એߩߎߣ߆ࠄ㧘㔚 ᵹ㒢ᛶ᛫ߪ(3V㧙2V)/2mA=500:ߩࠃ߁ߦࠝࡓߩᴺೣߢ ᳞ࠆ㧚Ꮢ⽼ߩᛶ᛫ߪ E ♽ߢᛶ᛫୯߇ࠄࠇߡࠆߩ ߢ㧘࿁ߪ470:ߣߒߚ㧚 ⚛ሶߩേ⏕ߩߚߦߪ㧘࿑18 ߩᱜ⺰ℂ߆࿑ 19 ߩ⽶ ⺰ℂߩࠃ߁ߦធ⛯ߔࠆ㧚࿑18 ߢߪ NOT ߩജ߇ High ߩߣ ߈ߦὐἮߒ㧘Low ߩߣ߈ߦᶖἮߔࠆ㧚ㅒߦ㧘࿑ 19 ߢߪ NOT ߩജ߇High ߩߣ߈ߦᶖἮߒ㧘Low ߩߣ߈ߦὐἮߔࠆ㧚 ࿁ߪᱜ⺰ℂࠍ↪ߔࠆ㧚 ࿑18 ᱜ⺰ℂ ࿑ 19 ⽶⺰ℂ 㗅ᐨ࿁〝ߩࠞ࠙ࡦ࠲ߥߤߢ↪ߢ߈ࠆ7 ࠣࡔࡦ࠻ LED ߪ࿑20 ߩࠃ߁ߥ┵ሶߩ㈩⟎ߣౝㇱ᭴ㅧߦߥߞߡࠆ㧚ߎߩ ┵ሶߩഀࠅᒰߡߪဳ⇟ߦࠃߞߡ⇣ߥࠆߩߢ⏕߇ᔅⷐߢ ࠆ㧚߹ߚ㧘ࠕࡁ࠼ࠦࡕࡦߩLED ߣࠞ࠰࠼ࠦࡕࡦߩ LED ߇ࠆߚ㧘ᵈᗧߒߥߌࠇ߫ߥࠄߥ㧚࿑ 21 ߩࠃ߁ߦ㧘 BCDto7 ࠣ࠺ࠦ࠳ߩജߦ㔚ᵹ㒢ᛶ᛫ࠍធ⛯ߒ㧘㔚ᵹ 㒢ᛶ᛫ߣฦLED ࠍធ⛯ߔࠆ㧚߹ߚ㧘7 ࠣࡔࡦ࠻ LED ߩ 3 ⇟߹ߚߪ 8 ⇟┵ሶࠍࠣࡦ࠼ߦធ⛯ߔࠆ㧚ߎߩࠃ߁ߦߔࠇ ߫㧘ࠞ࠙ࡦ࠲╬ߩജࠍᢙሼߣߒߡࠆߎߣ߇น⢻ߦߥࠅ㧘 ࿁〝േߩ⏕߇ኈᤃߦߥࠆ㧚ߥ߅㧘BCDto7 ࠣ࠺ࠦ࠳ ߩ㔚Ḯ߿ജ╬ߩ࿁〝ߪ⋭⇛ߒߡࠆ㧚 e 1 d 2 3 c 4 dp 5 b 6 a 7 f 9 g 10 8 a b d ef g c dp a 7 4 b 6 d 2 3,8 e 1 f 9 g 10 5 dp c ࿑20 7 ࠣࡔࡦ࠻ LEDGND 8 Vc c 16 15 1 10 9 14 4 6 7 3 2 5 12 13 11 BI B C LT LE D A e d c b a g f e 1 d 2 3 c 4 dp 5 b 6 a 7 f 9 g 10 8 a b d ef g c dp ࿑21 BCDto7 ࠣ࠺ࠦ࠳ߣ 7 ࠣࡔࡦ࠻ LED 3.4 ⺰ℂ࿁〝 ࡠࠫ࠶ࠢIC ߩ㈩✢ߣߒߡ㧘࿑ 22 ߦ␜ߔࠃ߁ߦ㧘NAND ⚛ሶࠍߦߍࠆ㧚ฦIC ߦߪ㔚Ḯߣࠣࡦ࠼߇ᔅⷐߢࠆ ߚ㧘Vcc ࠍ㔚Ḯߦ㧘GND ࠍࠣࡦ࠼ߦ㈩✢ߔࠆ㧚߹ߚ㧘 㔚Ḯߩࡁࠗ࠭ࠍૐᷫߔࠆߚߩࡃࠗࡄࠬࠦࡦ࠺ࡦࠨࠍ㧘IC ߩߔߋㄭߊߦធ⛯ߔࠆ㧚ᧄᢎ᧚ߩࡃࠗࡄࠬࠦࡦ࠺ࡦࠨߪ 0.1PF ߩⓍጀࡒ࠶ࠢࠦࡦ࠺ࡦࠨࠍ↪ࠆ㧚 13 2 8 9 10 11 12 1 3 4 5 6 Vc c 14 GN D 7 ࿑22 ࡠࠫ࠶ࠢ IC ߩ㈩✢ 3.2 ߩㅢࠅ㧘ജ┵ሶࠍࠝࡊࡦߦߒߥߚ㧘ోߡߩ ജ┵ሶࠍࡊ࡞࠳࠙ࡦߔࠆ㧚ታ㛎ߢߪ㧘3.2 ߿ 3.3 ߩജ࿁ 〝ࠍ࿑23 ߩࠃ߁ߦࠫࡖࡦࡄࡢࠗࡗࠍ↪ߡធ⛯ߔࠆ㧚 13 2 8 9 10 11 12 1 3 4 5 6 Vc c 14 GN D 7 ࿑23 ࡠࠫ࠶ࠢ IC ߩജ 3.5 ࡄ࡞ࠬ⊒↢࿁〝 㗅ᐨ࿁〝ߩേ⏕ߦߪࠢࡠ࠶ࠢࡄ࡞ࠬ߇ᔅⷐߦߥࠆ㧚 ࠲ࠢ࠻ࠬࠗ࠶࠴ߩ ON/OFF ߢࠢࡠ࠶ࠢࠍജߔࠆߣ㧘࠴ࡖ ࠲ࡦࠣ߇⊒↢ߒߡߒ߹߁㧚ߘߎߢ㧘LMC555 ࠍ↪ߡࡄ࡞ ࠬ⊒↢࿁〝ࠍᚑߔࠆ㧚࿁ᚑߔࠆ࿁〝ߪLMC555 ߩ࠺ ࠲ࠪ࠻ߦ⸥タߐࠇߡࠆ 50㧑࠺ࡘ࠹ࠖࠨࠗࠢ࡞ ࠝࠪ࠲ߢࠅ㧘ߘߩ࿁〝࿑ࠍ࿑24 ߦ␜ߔ㧚ߎߩߣ߈㧘 ࡄ࡞ࠬߩ⊒ᝄᵄᢙࠍนᄌߦߔࠆߎߣߣ㧘⊒ᝄᵄᢙࠍⷞ ⷡߢ⼂ߢ߈ࠆߎߣࠍᗧ⼂ߒߡߔࠆ㧚߹ߚ㧘ࡄ࡞ࠬࠍ છᗧߢ⊒ᝄߐߖߚࠅᱛߐߖߚࠅߢ߈ࠆࠃ߁ߦߔࠆ㧚 GND 1 TR G 2 OU T 3 RES 4 VD D 8 DCH 7 TH 6 CN T 5 OUTPUT ࿑24 LMC555 ߹ߕ㧘⊒ᝄᵄᢙࠍࠆ㧚ⷞⷡ⼂ߢ߈ࠆᵄᢙߪ1Hz ⒟ᐲߣ⠨߃ࠆ㧚ߘߩ⊒ᝄᵄᢙߦߔࠆߚߩ⚛ሶߩ୯ߪ㧘 ࠺࠲ࠪ࠻ߩ⊒ᝄᵄᢙߩᑼߦၮߠߡ⸘▚ߔࠆ㧚ߎߎ ߢߪ㧘22PF ߩ㔚⸃ࠦࡦ࠺ࡦࠨ㧘1k:ߩ࿕ቯᛶ᛫㧘100k:ߩน ᄌᛶ᛫ࠍធ⛯ߒߡ㧘นᄌᛶ᛫ߩ୯ߢ⊒ᝄᵄᢙࠍછᗧߦᄌ ൻߢ߈ࠆࠃ߁ߦߔࠆ㧚 ᰴߦ㧘⊒ᝄࠍᱛߐߖࠆ࿁〝ࠍઃടߔࠆ㧚4 ⇟ࡇࡦߩ ࠶࠻┵ሶߦ㔚Ḯ㔚߇ടࠊࠇ߫⊒ᝄࠍ㐿ᆎߒ㧘0V ߇ടࠊࠇ ߫⊒ᝄࠍᱛߔࠆߎߣ߇࠺࠲ࠪ࠻ߦ⸥タߐࠇߡࠆ㧚 ߘߎߢ㧘3.2 ߩജ࿁〝ࠍߎߎߢ߽↪ߔࠆ㧚ઁߩ⚛ሶ୯ߪ ࠺࠲ࠪ࠻ߩ୯ࠍߘߩ߹߹↪ߔࠆ㧚࿑24 ߩࠃ߁ߦ㈩✢ ߔࠇ߫㧘࠲ࠢ࠻ࠬࠗ࠶࠴ࠍON ߦߒߚߣ߈ߦߛߌ㧘OUTPUT ߆ࠄࡄ࡞ࠬࠍജߔࠆ࿁〝߇ቢᚑߔࠆ㧚 એߩࠃ߁ߦߒߡߐࠇߚ⺰ℂ࿁〝ࠍ࿑25 ߦ␜ߔ㧚 ࿑25 ⺰ℂ࿁〝ታ㛎ᢎ᧚
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. ⺰ℂ࿁〝ታ㛎ᢎ᧚ߩቇ⠌ലᨐ
4.1 ᣢሽߩቇ↢ታ㛎ߣߩᲧセ ߒߚᧄᢎ᧚ߣᣢሽߩࡠࠫ࠶ࠢ࠻࠽ߦౝ⬿ߐࠇ ߡࠆ⚛ሶᢙߩᲧセࠍ14 ߦ␜ߔ㧚ࡠࠫ࠶ࠢ࠻࠽ߢ ߪNAND ⚛ሶ߇ᄙߎߣ߇ಽ߆ࠆ㧚ߎࠇߪ㧘⺰ℂ࿁〝ߩቢ⺰ℂ࿁〝ታ㛎ᢎ᧚ߩ㐿⊒㧔⍹ᯅቁᤘ㧕 ో♽ߩቇ⠌ߩߚߢࠆߣ⠨߃ࠆ㧚৻ᣇ㧘ᧄᢎ᧚ߪ࠺ࠦ ࠳ߣࡑ࡞࠴ࡊࠢࠨࠍᜬߞߡࠆ㧚࠺ࠦ࠳߆ࠄ࠺ࡑ࡞࠴ ࡊࠢࠨࠍࠆߎߣߣ㧘ࡑ࡞࠴ࡊࠢࠨ߆ࠄࠛࡦࠦ࠳ࠍ ࠆߎߣߪ◲නߢࠆߩߢ㧘ߘࠇࠄࠍ↪ߒߚᔕ↪࿁〝ߩ ߽น⢻ߢࠆ㧚એ㒠ߢߪ㧘2 ᐕ↢ߩ⸘▚ᯏᎿቇߢ࿑ 1 ߩ ࡠࠫ࠶ࠢ࠻࠽ࠍ↪ߡታᣉߒߡࠆਅ⸥ߩԘ߆ࠄԞ ߩ 7 㗄⋡ߩታ㛎ߦߟߡ㧘ᧄᢎ᧚ࠍ↪ߚߣ߈ߦߘߩ߹߹ ታᣉน⢻ߢࠆ߆ߤ߁߆ߦߟߡႎ๔ߔࠆ㧚 ⺰ℂ࿁〝ߩ⚛ሶᢙ ⺰ℂ࿁〝⚛ሶ ᧄᢎ᧚ ࡠࠫ࠶ࠢ࠻࠽ 016 ജ #0& ജ 14 ജ 0#0& ജ 014 ജ :14 ജ 0#0& ജ 0#0& ࠺ࠦ࠳ ࡑ࡞࠴ࡊࠢࠨ &(( ,-(( Ԙേ⏕ߣቢో♽㧦⺰ℂ࿁〝⚛ሶߩേ⏕ߪ㗴ߥ㧚 ࠼ࡕ࡞ࠟࡦߩቯℂ߽ᬌ⸽ߢ߈ࠆ㧚ߒ߆ߒߥ߇ࠄ㧘ቢో ♽ߪNAND ߣ NOR ߇ዋߥߩߢታᣉ߇࿎㔍ߢࠆ㧚 ԙ◲නൻ㧦◲නൻ೨ߩ࿁〝ߩⷙᮨ߇ᄢ߈ߣ߈ߦߪ⚛ሶᢙ ߇㒢ࠄࠇߡࠆߚታᣉߢ߈ߥߎߣ߇ࠅ㧘Ꮏᄦ߇ᔅ ⷐߢࠆ㧚৻ᣇ㧘◲නൻᓟߩ࿁〝ߪน⢻ߢࠆ㧚 Ԛ3 ᩴߩട▚ེ㧦ඨട▚ེ߽ోട▚ེ߽ࠆߎߣ߇ߢ߈ࠆ㧚 ߹ߚ㧘ᧄᢎ᧚ߦߪXOR ߇ᄙߚ㧘ታᣉߒߡࠆ 2 ᩴ߿3 ᩴߩട▚ེߪ◲නߦᚑߢ߈ࠆ㧚 ԛᲧセེࠛࡦࠦ࠳࠺ࠦ࠳㧦Ყセེߪ 2 ᩴߩᲧセ߹ ߢታᣉน⢻ߢࠆ㧚ࠛࡦࠦ࠳ߪ㧘⺰ℂ⚛ሶߩ⚵ߺวࠊ ߖ࿁〝ߢ߽ࡑ࡞࠴ࡊࠢࠨ߆ࠄߩ࿁〝ߢ߽ታᣉߢ߈ࠆ㧚 ࠺ࠦ࠳ߪ 2bit ߩ࠺ࠦ࠳ߪ㗴ߥ㧚߹ߚ㧘࠺ࠦ࠳ IC ࠍ↪ߚታ㛎߽ታᣉߢ߈ࠆ㧚 Ԝࡈ࠶ࡊࡈࡠ࠶ࡊ㧦NAND ⚛ሶ߿ NOR ⚛ሶࠍ↪ߡ SR-FF ࠍࠆߎߣ߽㧘D-FF ࠍ↪ߒߡ T-FF ࠍࠆߎߣ߿ JK-FF ࠍ↪ߒߡ T-FF ࠍࠆߎߣ߽ߢ߈ࠆ㧚 ԝ◲නߥ㗅ᐨ࿁〝ߩ⸳⸘㧦◲නߥ㗅ᐨ࿁〝ߢേߩᬌ⸽ࠍ ߒߡࠆߚ㧘ᧄᢎ᧚ߢታᣉߢ߈ࠆ㧚
Ԟ4bit ࠫࠬ࠲ߣ 4bit ࠞ࠙ࡦ࠲㧦FF ࠍ↪ߚ 4bit ߩࠫࠬ
࠲ޔ4bit ࠞ࠙ࡦ࠲ࠍߢ߈ࠆ㧚ߐࠄߦ㧘ࠞ࠙ࡦ࠲ IC ߿ 7 ࠣࡔࡦ࠻ LED ࠍ↪ߒߚታ㛎߽ታᣉߢ߈ࠆ㧚 4.2 ᧄᢎ᧚ߩ․ᓽ ᧄᢎ᧚ߪ㧘ࡉ࠶࠼ࡏ࠼ߢIC ߥߤߩ⚛ሶࠍ㈩✢ߒߡ ታ㛎࿁〝ࠍߔࠆߎߣߣ㧘ᚑߒߚታ㛎࿁〝ߢ⺰ℂ࿁〝 ߩታ㛎ࠍታᣉߢ߈ࠆߎߣ߇ᄢ߈ߥ․ᓽߢࠅ㧘࠺࠲ࠪ ࠻ࠍࠆߎߣ߆ࠄᆎ߹ࠅ㧘IC ߩਛりࠍᗧ⼂ߔࠆߎߣ߇ߢ߈ ࠆ㧚߹ߚ㧘IC ߩ㔚Ḯ߿ࡃࠗࡄࠬࠦࡦ࠺ࡦࠨ㧘LED ߩ㔚ᵹ 㒢ᛶ᛫㧘ജ┵ሶߩࡊ࡞ࠕ࠶ࡊ߿ࡊ࡞࠳࠙ࡦ㧘7 ࠣࡔࡦ࠻ LED ߩขࠅᛒߦߟߡ߽⠌ᓧߢ߈ࠆ㧚 ߘߩ৻ᣇߢ㧘ᢎ⑼ᦠએᄖߩౝኈࠍᄙߊߚ㧘ߘߩౝ ኈߩ⸃⺑ߩߚߩᤨ㑆ࠍ⏕ߒߥߌࠇ߫ߥࠄߥ㧚߹ߚ㧘 ߩߚߦ࠺࠲ࠪ࠻ࠍ⺒ߎߣߦߥࠆ߇㧘࠺࠲ࠪ ࠻ߩ⸥タౝኈࠍℂ⸃ߒߡ߽ࠄ߁ߚߦߪ㧘ኾ㐷↪⺆ࠍℂ ⸃ߔࠆߎߣ߽ᔅⷐߦߥࠆ㧚 4.3 ᧄᢎ᧚ߩലᨐ ታ㓙ߦᧄᢎ᧚ࠍ↪ߒߚቇ↢ߪ㧘2 ᐕᰴߩ⸘▚ᯏᎿቇߦ߅ ߡ㧘ࡠࠫ࠶ࠢIC ࠍ↪ߚ࠲ࠗࡑ߿Ყセེߥߤࠍࠆߎߣ ߇ߢ߈ࠆࠃ߁ߦߥߞߚ㧚߹ߚ㧘3 ᐕᰴߩᖱႎㅢାᎿቇታ㛎ߩ
㗴⸃ဳᬺ㧔PBL: Problem Based Learning㧕ߦ߅ߡ㧘 ࠲ࠗࡑ߿ࠞ࠙ࡦ࠲ࠍ↪ߚ߽ߋࠄߚߚ߈ࠥࡓߥߤࠍ⥄ ߒߚ㧚ߐࠄߦ㧘4 ᐕᰴߩᖱႎㅢାᎿቇታ㛎ߩഃㅧታ㛎ߦ߅ ߡ㧘శߦࠃࠆᄙ㊀ㅢା㧘ࠄࠄ߷߁ࠥࡓ㧘ࠞ࠙ࡦ࠲ࠍ ↪ߚᔕ↪࿁〝ߥߤࠍ㧘ࡠࠫ࠶ࠢIC ࠍ↪ߒߡ⥄ߒߚ㧚 ߎߩࠃ߁ߥࡠࠫ࠶ࠢIC ࠍ↪ߚຠ߇ቢᚑߒߚߎߣߪᐕ ߦߥߊ㧘ᧄᢎ᧚ߪቇ↢ߩ⺰ℂ࿁〝⸳⸘⢻ജࠍりߦઃߌࠆߚ ߩᢎ᧚ߣߒߡലᨐ߇ࠆߣ⠨߃ࠄࠇࠆ㧚
