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器件描述:256 LBGA/LBGN PACKAGE OUTLINE
器件厂商:SMSC [SMSC Corporation]
厂商主页:http://www.smsc.com/
文件大小:84.43KB
文件页数:1
PDF阅读:256LBGA.pdf (点击阅读器件资料)
摘要:
256 LBGA/LBGN PACKAGE OUTLINE SINGLE (LID) MOLDED MATRIX MOLDED & SAWED Min Nominal Max Remark A 1.10 - 1.50 Overall Package Height A1 0.25 - 0.50 Standoff A2 0.49 - 0.75 Mold Thickness D 16.80 17.00 17.20 X Board Length D1 - 15.00 - X Distance Between End Ball Centers D2 14.80 15.00 15.20 X Lid Length (see Note 4) E 16.80 17.00 17.20 Y Board Length E1 - 15.00 - Y Distance Between End Ball Centers E2 14.80 15.00 15.20 Y Lid Length (see Note 4) b 0.40 0.50 0.70 Ball Diameter e 1.00 Basic Pitch ccc - - 0.20 Coplanarity Notes: 1. Controlling Unit: millimeter. 2. Maximum radial true position tolerance of each ball is 0.125 mm at maximum material condition. Dimension "b (max)" is 0.70mm for all devices, which start production after 2004, and is 0.60mm for all devices, which started production prior to 2005, until the end of their product life. 3. Details of ball A1 identifier are optional but must be located within the zone indicated. 4. Single molded (Lid) version of the package is optional - see dashed line. 5. Provided for reference only - contact your SMSC Regional Sales Office for latest information. Rev. 8/23/05 80 Arkay Drive Hauppauge, NY 11788 (631) 435-6000 FAX (631) 273-3123
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