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LAN88730 датащи(PDF) 75 Page - Microchip Technology |
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LAN88730 датащи(HTML) 75 Page - Microchip Technology |
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75 / 82 page ![]() 2012-2015 Microchip Technology Inc. DS60001256B-page 75 LAN88730 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 NOM SILK SCREEN 1 2 32 C1 Contact Pad Spacing 4.90 Space Between Contacts (X28) G1 0.20 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: E C1 C2 EV EV X1 Y1 X2 Y2 G1 ØV Microchip Technology Drawing C04-2232A 32-Lead Very Thin Plastic Quad Flat, No Lead Package (RN) - 5x5 mm Body [VQFN] With 3.3x3.3 mm Exposed Pad, Punch Singulated; Formerly called QFN |
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