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W78LE52C 数据表(PDF) 21 Page - Winbond |
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W78LE52C 数据表(HTML) 21 Page - Winbond |
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21 / 23 page ![]() W78LE52C/W78L052C Publication Release Date: April 17, 2007 - 21 - Revision A4 13. PACKAGE DIMENSIONS 40-pin DIP Seating Plane 1. Dimension D Max. & S include mold flash or tie bar burrs. 2. Dimension E1 does not include interlead flash. 3. Dimension D & E1 include mold mismatch and are determined at the mold parting line. 6. General appearance spec. should be based on final visual inspection spec. . 1.372 1.219 0.054 0.048 Notes: Symbol Min. Nom. Max. Max. Nom. Min. Dimension in inch Dimension in mm 0.050 1.27 0.210 5.334 0.010 0.150 0.016 0.155 0.018 0.160 0.022 3.81 0.406 0.254 3.937 0.457 4.064 0.559 0.008 0.120 0.670 0.010 0.130 0.014 0.140 0.203 3.048 0.254 3.302 0.356 3.556 0.540 0.550 0.545 13.72 13.97 13.84 17.01 15.24 14.986 15.494 0.600 0.590 0.610 2.286 2.54 2.794 0.090 0.100 0.110 A B c D e A L S A A 1 2 E B 1 1 e E 1 a 2.055 2.070 52.20 52.58 015 0.090 2.286 0.650 0.630 16.00 16.51 protrusion/intrusion. 4. Dimension B1 does not include dambar 5. Controlling dimension: Inches. 15 0 e A A a c E Base Plane 1 A 1 e L A S 1 E D 1 B B 40 21 20 1 2 44-pin PLCC 44 40 39 29 28 18 17 7 61 L c 1 b 2 A H D D e b E H E y A A 1 Seating Plane D G GE Symbol Min. Nom. Max. Max. Nom. Min. Dimension in inch Dimension in mm A e HE L y b c D A A 1 2 E b 1 H D G G D E Notes: on final visual inspection spec. 4. General appearance spec. should be based 3. Controlling dimension: Inches protrusion/intrusion. 2. Dimension b1 does not include dambar flash. 1. Dimension D & E do not include interlead 0.020 0.145 0.026 0.016 0.008 0.648 0.590 0.680 0.090 0.150 0.028 0.018 0.010 0.653 0.610 0.690 0.100 0.050 BSC 0.185 0.155 0.032 0.022 0.014 0.658 0.630 0.700 0.110 0.004 0.508 3.683 0.66 0.406 0.203 16.46 14.99 17.27 2.296 3.81 0.711 0.457 0.254 16.59 15.49 17.53 2.54 1.27 4.699 3.937 0.813 0.559 0.356 16.71 16.00 17.78 2.794 0.10 BSC 16.71 16.59 16.46 0.658 0.653 0.648 16.00 15.49 14.99 0.630 0.610 0.590 17.78 17.53 17.27 0.700 0.690 0.680 θ |
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