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LAN8740 Datasheet(PDF) 129 Page - Microchip Technology

Part # LAN8740
Description  Small Footprint MII/RMII 10/100 Energy Efficient Ethernet Transceiver with HP Auto-MDIX and flexPWR짰 Technology
PDF  136 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LAN8740 Datasheet(HTML) 129 Page - Microchip Technology

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 2013-2015 Microchip Technology Inc.
DS00001987A-page 129
LAN8740A/LAN8740Ai
RECOMMENDED LAND PATTERN
Dimension Limits
Units
C2
Optional Center Pad Width
Contact Pad Spacing
Optional Center Pad Length
Contact Pitch
Y2
X2
3.40
3.40
MILLIMETERS
0.50 BSC
MIN
E
MAX
4.90
Contact Pad Length (X32)
Contact Pad Width (X32)
Y1
X1
0.85
0.30
Microchip Technology Drawing C04-2160C SQFN
NOM
32-Lead Very Thin Plastic Quad Flat, No Lead Package (MQ) - 5x5mm Body [VQFN]
SILK SCREEN
C1
Contact Pad Spacing
4.90
Contact Pad to Center Pad (X32)
G1
0.33
Thermal Via Diameter
V
Thermal Via Pitch
EV
0.33
1.20
BSC: Basic Dimension. Theoretically exact value shown without tolerances.
Notes:
Dimensioning and tolerancing per ASME Y14.5M
For best soldering results, thermal vias, if used, should be filled or tented to avoid solder loss during
reflow process
1.
2.
For the most current package drawings, please see the Microchip Packaging Specification located at
http://www.microchip.com/packaging
Note:
SMSC LEGACY SQFN
Contact Pad to Contactr Pad (X28)
G2
0.20
1
2
32
C1
C2
EV
EV
X2
Y2
E
X1
Y1
G1
G2
ØV



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