lan9221 Standard Microsystems Corp., lan9221 Datasheet - Page 148

• Manufacturer Part Number: lan9221
• Description: High-performance 16-bit Non-pci 10/100 Ethernet Controller With Variable Voltage I/o
• Manufacturer: Standard Microsystems Corp.

Chapter 8 Package Outline
Revision 2.6 (12-04-08)
8.1
D2/E2
D1/E1
D/E
A1
A2
A
L
b
e
Notes:
1. All dimensions are in millimeters.
2. Position tolerance of each terminal and exposed pad is ± 0.05 mm at maximum material condition.
3. The pin 1 identifier may vary, but is always located within the zone indicated.
56-QFN Package
0.70
0.00
7.85
7.55
5.75
0.30
0.18
MIN
~
Dimension “b” applies to plated terminals and is measured between 0.15 and 0.30 mm from the
terminal tip.
0.50 Basic
NOMINAL
0.02
8.00
5.90
0.25
~
~
~
~
Table 8.1 56 Pin QFN Package Parameters
Figure 8.1 56 Pin QFN Package Definition
MAX
1.00
0.05
0.90
8.15
7.95
6.05
0.50
0.30
DATASHEET
148
High-Performance 16-bit Non-PCI 10/100 Ethernet Controller with Variable Voltage I/O
Overall Package Height
X/Y Exposed Pad Size
Mold Cap Thickness
X/Y Mold Cap Size
Terminal Length
Terminal Width
X/Y Body Size
Terminal Pitch
REMARKS
Standoff
SMSC LAN9221/LAN9221i
Datasheet