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240-451 VLSI, 2000 1 CMOS Technology Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut.

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Presentation on theme: "240-451 VLSI, 2000 1 CMOS Technology Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut."— Presentation transcript:

1 240-451 VLSI, 2000 1 CMOS Technology Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut

2 240-451 VLSI, 2000 2 Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut CMOS Logic Structures 1. CMOS Complementary Logic Z = A*B + C(D+E)

3 240-451 VLSI, 2000 3 Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut CMOS Complementary Logic

4 240-451 VLSI, 2000 4 Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut CMOS Logic Structures 2. Pseudo-nMOS logic

5 240-451 VLSI, 2000 5 Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut 3. Dynamic CMOS Logic Mead and Conway Pre-charge transistor Evaluate transistor Output charge to VDD Discharge

6 240-451 VLSI, 2000 6 Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut Dynamic CMOS Logic Z = A*B + C(D+E) When  Z = High When 

7 240-451 VLSI, 2000 7 Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut CMOS Logic Structures 4. Clocked CMOS Logic (C 2 MOS)

8 240-451 VLSI, 2000 8 Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut CMOS Logic Structures 5. Domino Logic

9 240-451 VLSI, 2000 9 Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut Domino Logic

10 240-451 VLSI, 2000 10 Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut CMOS logic Structures 6. Pass Transistor Logic XORTruth TableP ABA xor BPass function 000/A + /B 011/A + B 101A + /B 110/A + /B

11 240-451 VLSI, 2000 11 Department of Computer Engineering, Prince of Songkla University by Wannarat Suntiamorntut Pass Transistor Logic 01 0A BA /B 1/A B/A /B


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