Terry Sturtevant
Wilfrid Laurier University
April 8, 2011
Terry Sturtevant
Here is the top view of an integrated circuit.
Terry Sturtevant
Here is the top view of an integrated circuit.
Terry Sturtevant
Here is the top view of an integrated circuit.
The notch at the top indicates the location of pin 1.
Terry Sturtevant
Here is the top view of an integrated circuit.
6
The notch at the top indicates the location of pin 1.
Terry Sturtevant
Here is the top view of an integrated circuit.
1
I
@
6
The notch at the top indicates the location of pin 1.
Terry Sturtevant
Here is the top view of an integrated circuit.
1
2
I
@
6
The notch at the top indicates the location of pin 1.
The pins numbers go around the chip counterclockwise .
Terry Sturtevant
Here is the top view of an integrated circuit.
1
2
3
I
@
6
The notch at the top indicates the location of pin 1.
The pins numbers go around the chip counterclockwise .
Terry Sturtevant
Here is the top view of an integrated circuit.
1
2
3
6
7
The notch at the top indicates the location of pin 1.
The pins numbers go around the chip counterclockwise .
Terry Sturtevant
Here is the top view of an integrated circuit.
1
2
3
6
7
8
The notch at the top indicates the location of pin 1.
The pins numbers go around the chip counterclockwise .
Terry Sturtevant
Here is the top view of an integrated circuit.
1
2
3
6
7
8
@
R 9
The notch at the top indicates the location of pin 1.
The pins numbers go around the chip counterclockwise .
Terry Sturtevant
Here is the top view of an integrated circuit.
1
2
3
6
7
8
@
R 10
9
The notch at the top indicates the location of pin 1.
The pins numbers go around the chip counterclockwise .
Terry Sturtevant
Here is the top view of an integrated circuit.
1
2
3 14
6
7
8
10
9
The notch at the top indicates the location of pin 1.
The pins numbers go around the chip counterclockwise .
Terry Sturtevant
Here is the top view of an integrated circuit.
1
2
3
15
14
6
7
8
10
9
The notch at the top indicates the location of pin 1.
The pins numbers go around the chip counterclockwise .
Terry Sturtevant
Here is the top view of an integrated circuit.
1
2
3
16
15
14
6
7
8
10
9
The notch at the top indicates the location of pin 1.
The pins numbers go around the chip counterclockwise .
Terry Sturtevant
Here is the top view of an integrated circuit.
1
2
3
16
15
14
7
8
10
9
The notch at the top indicates the location of pin 1.
The pins numbers go around the chip counterclockwise .
(The number of pins can vary, but the order is the same.)
Terry Sturtevant
Sometimes there’s a notch at both ends.
Terry Sturtevant
Sometimes there’s a notch at both ends.
Terry Sturtevant
Sometimes there’s a notch at both ends.
I
@
In this case, there’s a dimple in the corner as well which indicates the location of pin 1.
Terry Sturtevant
Sometimes there’s a notch at both ends.
1
I
@
In this case, there’s a dimple in the corner as well which indicates the location of pin 1.
Terry Sturtevant
Often, but not always , GROUND and V
CC are at opposite corners.
Terry Sturtevant
Often, but not always , GROUND and V
CC are at opposite corners.
Terry Sturtevant
Often, but not always , GROUND and V
CC are at opposite corners.
?
GROUND is usually on the lower left.
Terry Sturtevant
Often, but not always , GROUND and V
CC are at opposite corners.
?
?
GROUND is usually on the lower left.
V
CC is usually on the upper right.
Terry Sturtevant
Here’s how it goes on a breadboard.
Terry Sturtevant
Here’s how it goes on a breadboard.
Terry Sturtevant
Here’s how it goes on a breadboard.
Note the chip should have one row of pins on each side of the central trough of the breadboard.
Terry Sturtevant
Sometimes, instead of showing the physical layout of the chip, a manufacturer will show the logical , i.e. internal, layout.
Terry Sturtevant
Sometimes, instead of showing the physical layout of the chip, a manufacturer will show the logical , i.e. internal, layout.
1
3
2
4
6
5
10
8
9
13
11
12
Terry Sturtevant
Sometimes, instead of showing the physical layout of the chip, a manufacturer will show the logical , i.e. internal, layout.
1
3
2
4
6
5
10
8
9
13
11
12
In this case, the pin numbers are shown.
Terry Sturtevant
Sometimes, instead of showing the physical layout of the chip, a manufacturer will show the logical , i.e. internal, layout.
1
3
2
4
6
5
10
8
9
13
11
12
In this case, the pin numbers are shown.
Note GROUND and V
CC aren’t shown. You’ll have to look through the data sheet to find out which pins they are.
Terry Sturtevant