Logic Gate
-
Upload
syeeda-tanu -
Category
Devices & Hardware
-
view
182 -
download
24
Transcript of Logic Gate
Slide 1
?
1870
?
:
TRUE
True =High =1
False = Low = 0 1 0 (Union), (Intersection), (Inversion) ,
AND
OR
NOT
NAND
NOR
XOR
XNOR
TRUE TRUE
1= ,0=
TRUE
15AND (ANSI/IEEE Standard )
-- F A,B,C,N HIGH HIGH
AND
17 AND 1= ,0=
Truth Table of AND GateInput AInput BOutput YLOW (0)LOW (0)LOW (0)LOW (0)HIGH (1)LOW (0)HIGH (1)LOW (0)LOW (0)HIGH (1)HIGH (1)HIGH (1)19Y = A . BY= 0 * 0 = 0Y = A . BY= 0 * 1 = 0Y = A . BY= 1 * 0 = 0Y = A . BY= 1 * 1 = 1
AND GATE20
A =B =HIGHHIGHLOWLOWAND 3
ABCABC00000010010001101000101011001111NOT NOT
1 0, 0 1 NOT
NOT
NOT
NOT
NOT TRUE
NOT GATE
A =HIGHLOW26OR OR 1 1 OR X Y OR F F=X+Y
+ OR
OR
Truth Table of OR GateInput AInput BOutput YLOW (0)LOW (0)LOW (0)LOW (0)HIGH (1)HIGH (1)HIGH (1)LOW (0)HIGH (1)HIGH (1)HIGH (1)HIGH (1)Y = A + BY= 1 + 1 = 1Y = A + BY= 1 + 0 = 1Y = A + BY= 0 + 1 = 1Y = A + BY= 0 + 0 = 030
OR GATE
A =B =HIGHHIGHLOWLOW31NAND NAND NOT AND
AND 1s complement
NAND 0 1
A B Y
(.) AND NOT
NAND
Truth Table of NAND GateInput AInput BOutput YLOW (0)LOW (0)HIGH (1)LOW (0)HIGH (1)HIGH (1)HIGH (1)LOW (0)HIGH (1)HIGH (1)HIGH (1)LOW (0)
35
NAND GATE
A =B =HIGHHIGHLOWLOW36NOR OR NOT NOR OR 1s complement 0 1 NOR NOR A B Y
+ OR NOT
NOR
Truth Table of NOR GateInput AInput BOutput YLOW (0)LOW (0)HIGH (1)LOW (0)HIGH (1)LOW (0)HIGH (1)LOW (0)LOW (0)HIGH (1)HIGH (1)LOW (0)
40
NOR GATE
A =B =HIGHHIGHLOWLOW41XOR XOR Exclusive-OR 0 1 1 0 1 0 XOR XOR A B Y
XOR NOT
XOR
Truth Table of XOR Gate
Input AInput BOutput YLOW (0)LOW (0)LOW (0)LOW (0)HIGH (1)HIGH (1)HIGH (1)LOW (0)HIGH (1)HIGH (1)HIGH (1)LOW (0)
45
EX-OR GATE
A =B =HIGHHIGHLOWLOW46XNOR XNOR Exclusive-NOT OR 0 1 0 0 1 1 XNOR XOR A B Y
XNOR NOT
XNOR
Truth Table of XNOR Gate
Input AInput BOutput YLOW (0)LOW (0)HIGH (1)LOW (0)HIGH (1)LOW (0)HIGH (1)LOW (0)LOW (0)HIGH (1)HIGH (1)HIGH (1)
50
EX-NOR GATE
A =B =HIGHHIGHLOWLOW51 TRUE ,,