QSOP20

MECHANICAL CASE OUTLINE PACKAGE DIMENSIONS QSOP20 CASE 492AC−01 ISSUE O DATE 22 MAR 2011 SCALE 2:1 20 E1 2X 0.004 C D 1 e 0.004 C 0.004 C 20X 2X D A 11 0.004 C D D L2 GAUGE PLANE NOTES: 1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M, 1994. 2. CONTROLLING DIMENSION: INCHES. 3. DIMENSION b DOES NOT INCLUDE DAMBAR PROTRUSION. 4. DIMENSION D DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS, OR GATE BURRS. MOLD FLASH, PROTRUSIONS, OR GATE BURRS SHALL NOT SEATING E PLANE C L C EXCEED 0.005 PER SIDE. DIMENSION E1 DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSION. INTERLEAD FLASH OR PROTRUSION SHALL NOT EXCEED 0.005 PER SIDE. D AND E1 ARE DETAIL A DETERMINED AT DATUM H. 5. DATUMS A AND B ARE DETERMINED AT DATUM H. 2X 10 TIPS INCHES MILLIMETERS 10 20X b 0.008 C D DIM MIN MAX MIN MAX A ---- 0.069 ---- 1.75 A1 0.004 0.010 0.10 0.25 B 0.007 M C A-B D A2 0.049 ---- 1.24 ---b 0.008 0.012 0.20 0.30 A2 A h x 45 _ H c 0.004 0.010 D 0.341 BSC E 0.236 BSC E1 0.154 BSC 0.10 0.25 8.6...