Datasheet Summary
MECHANICAL CASE OUTLINE
PACKAGE DIMENSIONS
QSOP20 CASE 492AC- 01
ISSUE O
DATE 22 MAR 2011
SCALE 2:1
E1
2X
0.004 C D
1 e
0.004 C
0.004 C
20X
2X
0.004 C D
L2
GAUGE PLANE
SEATING
PLANE
DETAIL A
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 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 DETERMINED AT DATUM H. 5. DATUMS A AND B...