lan9312 Standard Microsystems Corp., lan9312 Datasheet - Page 458

• Manufacturer Part Number: lan9312
• Description: Lan9312 High Performance Two Port 10/100 Managed Ethernet Switch With 32-bit Non-pci Cpu Interface
• Manufacturer: Standard Microsystems Corp.

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Revision 1.2 (04-08-08)
D2/E2
D1/E1
D/E
ddd
ccc
A1
A2
A
L
b
c
e
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
3. Dimensions D1 and E1 do not include mold protrusions. Maximum allowed protrusion is 0.25mm per side. D1
4. Dimensions D2 and E2 represent the size of the exposed pad. The exposed pad shall be coplanar with the
5. The pin 1 identifier may vary, but is always located within the zone indicated
15.80
13.80
0.05
0.95
6.35
0.45
0.13
0.09
0.00
MIN
base metal is exposed at the lead tip.
and E1 are maximum plastic body size dimensions including mold mismatch.
bottom of the package within 0.05mm.
-
-
Figure 16.4 LAN9312 128-XVTQFP Recommended PCB Land Pattern
NOMINAL
0.40 BSC
16.00
14.00
1.00
6.50
0.60
0.18
Table 16.2 LAN9312 128-XVTQFP Dimensions
-
-
-
-
-
High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
16.20
14.20
MAX
1.20
0.15
1.05
6.65
0.75
0.23
0.20
0.07
0.08
DATASHEET
458
Overall Package Height
X/Y Exposed Pad Size
X/Y Plastic Body Size
Lead Foot Thickness
True Position Spread
Lead Foot Length
Body Thickness
REMARKS
Lead Width
Coplanarity
Lead Pitch
X/Y Span
Standoff
SMSC LAN9312
Datasheet