Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII Package Outline56-QFN Package OutlineFigure 2 56-QFN Package DefinitionTable 1 56-QFN DimensionsMINNOMINALMAXREMARKS A 0.70 - 1.00 Overall Package Height A1 0 0.02 0.05 Standoff A2 - - 0.90 Mold Cap Thickness D/E 7.85 8.00 8.15 X/Y Body Size D1/E1 7.55 - 7.95 X/Y Mold Cap Size D2/E2 5.75 5.90 6.05 X/Y Exposed Pad Size L 0.30 - 0.50 Terminal Length b 0.18 0.25 0.30 Terminal Width e 0.50 BSC Terminal Pitch Notes: 1. All dimensions are in millimeters unless otherwise noted. 2. Position tolerance of each terminal and exposed pad is +/- 0.05mm at maximum material condition. Dimension “b” applies to plated terminals and is measured between 0.15 and 0.30mm from the terminal tip. 3. The pin 1 identifier may vary, but is always located within the zone indicated SMSC LAN9303/LAN9303i 5 Revision 1.5 (07-08-11) PRODUCT PREVIEW Document Outline General Description Block Diagram Figure 1 Internal Block Diagram Package Outline 56-QFN Package Outline Figure 2 56-QFN Package Definition Table 1 56-QFN Dimensions Figure 3 56-QFN Recommended PCB Land Pattern
