88e1240 Marvell Semiconductor, Inc., 88e1240 Datasheet - Page 26

• Manufacturer Part Number: 88e1240
• Description: Integrated 10/100/1000 Gigabit Ethernet Transceiver
• Manufacturer: Marvell Semiconductor, Inc.

Section 2. Mechanical Drawings
2.1 88E1240 176-Pin TQFP Package Drawing
Doc. No. MV-S103821-00, Rev. A
Page 26
A A
IDENTIFIER
PIN 1
2
NOTE :
4. EXACT SHAPE OF EACH CORNER IS OPTIONAL.
5. THESE DIMENSIONS APPLY TO THE FLAT SECTION OF THE LEAD
6. A1 IS DEFINED AS THE DISTANCE FROM THE SEATING PLANE
7. CONTROLLING DIMENSION : MILLIMETER.
3. DIMENSION b DOES NOT INCLUDE DAMBAR PROTRUSION.
1. TO BE DETERMINED AT SEATING PLANE
2. DIMENSIONS D1 AND E1 DO NOT INCLUDE MOLD PROTRUSION
DAMBAR CAN NOT BE LOCATED ON THE LOWER RADIUS OR THE FOOT.
BETWEEN 0.10 mm AND 0.25 mm FROM THE LEAD TIP.
TO THE LOWEST POINT OF THE PACKAGE BODY.
133
176
D1 AND E1 ARE MAXIMUM PLASTIC BODY SIZE DIMENSIONS
INCLUDING MOLD MISMATCH.
A
1
6
132
1
E
2
Alaska
Integrated 10/100/1000 Gigabit Ethernet Transceiver
e
b
D
D
D
1
2
®
1
2
88E1240 Product Brief
Document Classification: Proprietary Information
.
A
44
89
88
45
A
4
E
2
1
SEATING PLANE
E
1
4X
4X
WITH PLATING
O
O
3
2
METAL
SECTION A-A
5
BASE
S
c
O
L
SECTION B-B
1
1
Copyright © 2011 Marvell
L
B
B
May 4, 2011, Advance
b
R
b
5
R
1
1
GAUGE PLANE
2
.25
5
3
c
O
1
5