Intel manual Intel 31154 133 MHz PCI Bridge Package

Package Information

Figure 2. Intel® 31154 133 MHz PCI Bridge Package

Notes:

1. All dimensions and tolerances conform to ANSI Y14.5M-1982.

Dimension is measured at the maximum solder ball

2 diameter, parallel to primary datum

2

0.90 Ø 0.60

													PIN #1
	22	20	18	16		14	12	10	8	6	4	2	CORNER
23	21		19	17	15	13	11	9	7	5	3		1

3	Primary datum	and seating plane are defined by the
	spherical crowns of the solder balls.
4. All dimensions, unless otherwise specified, are in millimeters.

	//	0.127	A
	31.00 ± 0.10
SEE DETAIL "A"				26.00 ± 0.20

(22.10 REF)

3 X Ø1.00 THRU (22.10 REF)

Ø 0.30 S C A S B S

1.27

1.53 REF

-B-

31.00 ± 0.10

26.00 ± 0.20

0.127 A

45˚ CHAMFER 4 PLACES

A

B 1.27

C

D

E

F

G

H

J

K

L

M

N

P

R

T

U

V

W

Y

AA

AB

AC

1.53 REF 1.27

BOTTOM VIEW

TOP VIEW

2.38 ± 0.21	1.17 ± 0.05		30˚
			// 0.15	C
			0.15	-C-
0.61 ± 0.06	0.60 ± 0.10
			3
		SIDE VIEW	SEATING PLANE

PIN #1 CORNER

NO RADIUS

Au GATE

1.70

PIN #1 I.D. (SHINY)

90.0˚1.0 DIA. X 0.15 DEPTH

9.0 X 9.0 FROM CENTER LINE

DETAIL "A"

NOT TO SCALE

B1290-01

14 Intel® 31154 133 MHz PCI Bridge Design Guide Design Guide