LAN9420 Datasheet, PDF (169/171 Pages) SMSC Corporation – Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface

Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface
Datasheet
A
A1
A2
D/E
D1/E1
L
b
c
e
ddd
ccc
MIN
-
0.05
0.95
15.80
13.80
0.45
0.13
0.09
0.00
-
Table 6.1 LAN9420/LAN9420i 128-VTQFP Dimensions
NOMINAL
-
-
1.00
16.00
14.00
0.60
0.18
-
0.40 BSC
-
-
MAX
1.20
0.15
1.05
16.20
14.20
0.75
0.23
0.20
0.07
0.08
REMARKS
Overall Package Height
Standoff
Body Thickness
X/Y Span
X/Y Plastic Body Size
Lead Foot Length
Lead Width
Lead Foot Thickness
Lead Pitch
True Position Spread
Coplanarity
Notes:
1. All dimensions are in millimeters unless otherwise noted.
2. Dimensions b & c apply to the flat section of the lead foot between 0.10 and 0.25mm from the lead tip. The
base metal is exposed at the lead tip.
3. Dimensions D1 and E1 do not include mold protrusions. Maximum allowed protrusion is 0.25mm per side. D1
and E1 are maximum plastic body size dimensions including mold mismatch.
4. The pin 1 identifier may vary, but is always located within the zone indicated.
Figure 6.2 LAN9420/LAN9420i 128-VTQFP Recommended PCB Land Pattern
SMSC LAN9420/LAN9420i
169
DATASHEET
Revision 1.6 (07-18-11)