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LAN8741A 데이터시트(PDF) 99 Page - Microchip Technology |
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LAN8741A 데이터시트(HTML) 99 Page - Microchip Technology |
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99 / 106 page ![]() 2013-2015 Microchip Technology Inc. DS00001988A-page 99 LAN8741A/LAN8741Ai 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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