MP3274

13

Rev. 4.00

A

0.079

0.095

2.00

2.41

b

0.016

0.020

0.406

0.508

D

1.086

1.110

27.6

28.2

0.788

0.812

20.0

20.6

e

0.100 typ.

2.54 typ.

0.170

0.190

4.32

4.83

Q

0.050 typ.

1.27 typ.

68 LEAD PIN GRID ARRAY

(PGA)

G68

SYMBOL

MIN

MAX

MIN

MAX

INCHES

MILLIMETERS

D

D

e

L

K

J

H

G

F

E

D

8

7

6

5

4

3

2

1

e

b

Q

Seating Plane

Pin 1

1B2

2B1

3C2

4C1

5D2

6D1

7E2

8E1

9F2

10

F1

11

G2

12

G1

13

H2

14

H1

15

J2

16

J1

17

K1

CONNECTION TABLE

18

K2

19

L2

20

K3

21

L3

22

K4

23

L4

24

K5

25

L5

26

K6

27

L6

28

K7

29

L7

30

K8

31

L8

32

K9

33

L9

34

L10

35

K10

36

K11

37

J10

38

J11

39

H10

40

H11

41

G10

42

G11

43

F10

44

F11

45

E10

46

E11

47

D10

48

D11

49

C10

50

C11

51

B11

PAD

PIN

PAD

PIN

PAD

PIN

Note: The letters A-H and numbers 1-8 are the coordinates

of a grid. For example, pin 1 is at the intersections of the “B”

vertical line and the “2” horizontal line.

A

52

B10

53

A10

54

B9

55

A9

56

B8

57

A8

58

B7

59

A7

60

B6

61

A6

62

B5

63

A5

64

B4

65

A4

66

B3

67

A3

68

A2

PAD

PIN

C

B

A

910

11

Index

Mark

IP

IP = Index Pin, not connected