http://www.holtek.com.tw/pdf/guide.pdf December 25, 2013

Package Information

40/42-pin DIP (600mil) Outline Dimensions

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SymbolDimensions in inch

Min. Nom. Max.A 1.645 1.650 1.660 B 0.540 0.545 0.550 C 0.150 0.155 0.160 D 0.115 0.130 0.150 E — 0.018 BSC —F — 0.050 BSC —G — 0.100 BSC —H — 0.600 BSC 0.615 I 0.630 0.650 0.670

SymbolDimensions in mm

Min. Nom. Max.A 41.78 41.91 42.16 B 13.72 13.84 13.97 C 3.81 3.94 4.06 D 2.92 3.30 3.81 E — 0.46 BSC —F — 1.27 BSC —G — 2.54 BSC —H — 15.24 BSC 15.62 I 16.00 16.51 17.02