Logic ¿¬»ê°ú Gates
1. Diode logic ¿¬»ê
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AND, OR diode circuit ÀÇ Æ¯¼ºÀ» diode logic ¿¬»êÀ¸·Î ¾Ë¾Æº¸ÀÚ.
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1. AND gate
A
B
AB
5V
5V
5.15V
5V
0V
0.64V
0V
5V
0.64V
0V
0V
0.64V
2. OR gate
A
B
A+B
5V
5V
4.54V
5V
0V
4.51V
0V
5V
4.51V
0V
0V
0V
¿ÀÂ÷ ¹× °á°ú
¿ÀÂ÷ : And Input¿¡ °ÅÁþ=0V°¡ °É¸®¸é Output¿¡ °ÅÁþ=0V°¡ °É·Á ¾ßÇϳª. Diode Àü¾Ð°ÇÏ Æ¯Â¡À¸·Î 0.64VÀÇ ÀüÀ§Â÷°¡ »ý°Ü C¿¡ 0.64V°¡ °É¸°´Ù. ORµµ ¸¶Âù°¡Áö·Î Output¿¡¼ 0.6V°¡ °ÇϵǾî
³ªÅ¸³´Ù.
°á°ú : ±Ù»çÄ¡·Î logicȸ·ÎÀÇ Æ¯Â¡À» °®Áö¸¸ Á¤È®ÇÑ ¡®0¡¯ , ¡®1¡¯ À¸·Î ³ªÅ¸³ª
Áö´Â ¾Ê´Â´Ù.
2. IC gates
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¿¬»êÀÌ ¼³°èµÇ¾îÀÖ´Â IC¸¦ ÀÌ¿ëÇÏ¿© logic¿¬»êÀ» È®ÀÎÇÏÀÚ
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3. OR gate (TTL¡¦(»ý·«)
4. AND gate (TTL IC 7408)
5. IC NOT gate (TTL IC 7404)
6. NOT With OR and INVERT (IC 7432, IC 7404)
7. NOR gate (TTL IC 7402)
8. IC NAND GATE (IC 7400)
9. Tied NAND
10. NAND, NOR gate
10.1 NAND gate¸¸ ÀÌ¿ëÇÏ¿© ¸¸µç NOR gate
10.2 NOR gate¸¸ ÀÌ¿ëÇÏ¿© ¸¸µç NAND gate
°á°ú : NAND, NOR gate¸¸À¸·Î NOR, NAND gate¸¦ ¸¸µé ¼ö ÀÖ´Ù.
10.3 AND gate¸¸À¸·Î ¸¸µç OR gate¸¦ ¸¸µé¾î º¸ÀÚ.
°á°ú : AND gate¸¸À¸·Î OR gate¸¦ ¸¸µé ¼ö ÀÖÁö¸¸, OR gate¸¸À¸·Î´Â AND gate¸¦ ¸¸µé ¼ö ¾ø´Ù.
|
1
1
0
1
1
0
0
0
1
0
0
1
°á°ú
°á°ú : Tied´Â ½ÅÈ£°¡ ÇϳªÀ̱⠶§¹®¿¡ ¿¬»ê°ú »ó°ü¾øÀÌ NOT gate¿¬»ê
°ú °°Àº °á°ú°¡ ³ª¿Â´Ù.
10. NAND, NOR gate
10.1 NAND gate¸¸ ÀÌ¿ëÇÏ¿© ¸¸µç NOR gate
A
B
1
1
0
1
0
0
0
1
0
0
0
1
10.2 NOR gate¸¸ ÀÌ¿ëÇÏ¿© ¸¸µç NAND gate
A
B
1
1
0
1
0
1
0
1
1
0
0
1
°á°ú
°á°ú : NAND, NOR gate¸¸À¸·Î NOR, NAND gate¸¦ ¸¸µé ¼ö ÀÖ´Ù.
10.3 AND gate¸¸À¸·Î ¸¸µç OR gate¸¦ ¸¸µé¾î º¸ÀÚ.
A
B
1
1
1
1
0
1
0
1
1
0
0
0
°á°ú
°á°ú : AND gate¸¸À¸·Î OR gate¸¦ ¸¸µé ¼ö ÀÖÁö¸¸, OR gate¸¸À¸·Î´Â AND gate¸¦ ¸¸µé ¼ö ¾ø´Ù.