XOR gate implimentation using CMOS

hi 2 all plz suggest me how 2 impliment EXOR gate using CMOS in VLSI. also post the logical diagram of it. ashish

Asked By: ashishengr
On: May 2, 2005 2:35:24 AM

Comments(3)

Hi, using complementary cmos u need 12 dev.but by using tx gates as jay said u can realize it using 2+2+2+2=8 dev. !A---Tx(B to nmos and !b to pmos in tx gate)----| op A---Tx(!B to nmos and b to pmos in tx gate)-----|

Comment By: venkateshr
On: May 3, 2005 5:18:24 AM

I think using Transmission gate we can realize it.. in that case it'll require minimum no of transistors.....

Comment By: jay_bits
On: May 3, 2005 1:19:30 AM

hai, two ways to implement x -or gate first through : not(a)b + not(b) a it requires 12 cmos transistors but through only nand gates it requires 4 nand gates it requires 16 mos transistors

Comment By: sairam
On: May 2, 2005 10:03:40 AM

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