Table 6.1 lan9420/lan9420i 128-vtqfp dimensions, Datasheet – SMSC LAN9420 User Manual
Page 168
Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface
Datasheet
Revision 1.22 (09-25-08)
168
SMSC LAN9420/LAN9420i
DATASHEET
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.
Table 6.1 LAN9420/LAN9420i 128-VTQFP Dimensions
MIN
NOMINAL
MAX
REMARKS
A
-
-
1.20
Overall Package Height
A1
0.05
-
0.15
Standoff
A2
0.95
1.00
1.05
Body Thickness
D/E
15.80
16.00
16.20
X/Y Span
D1/E1
13.80
14.00
14.20
X/Y Plastic Body Size
L
0.45
0.60
0.75
Lead Foot Length
b
0.13
0.18
0.23
Lead Width
c
0.09
-
0.20
Lead Foot Thickness
e
0.40 BSC
Lead Pitch
ddd
0.00
-
0.07
True Position Spread
ccc
-
-
0.08
Coplanarity
Figure 6.2 LAN9420/LAN9420i 128-VTQFP Recommended PCB Land Pattern