Plastic Packages for Integrated Circuits
Q128.14x20F
128 Lead Low Plastic Quad Flatpack Package (LQFP)
D
D1
D2 MILLIMETER
-D-B-E
E1
E2 -A-4x
e 4x
b aaa C A-B D bbb C A-B D ccc M C A-B S D S TOP VIEW S 0.10 SYMBOL MIN NOM MAX MIN NOM MAX A -1.60 -0.063 A1 0.05 -0.15 0.002 -0.006 A2 1.35 1.40 1.45 0.053 0.055 0.057 D 22.00 BASIC 0.866 BASIC D1 20.00 BASIC 0.787 BASIC E 16.00 BASIC 0.630 BASIC E1 14.00 BASIC 0.551 BASIC R2 0.08 -0.20 0.003 -0.008 R1 0.08 -0.003 -пЃ± 0В° 3.5В° 7В° 0В° 3.5В° 7В° пЃ±1 0В° -0В° -пЃ±2 11В° 12В° 13В° 11В° 12В° 13В° пЃ±3 11В° 12В° 13В° 11В° 12В° 13В° c 0.09 -0.20 0.004 -0.008 L 0.45 0.60 0.75 0.018 0.024 0.030 L1 c 1.00 REF 0.039 REF S 0.20 -0.008 -b 0.170 0.200 0.270 0.007 0.008 0.011 A A2 A1 INCH L1 пЃ±1 e 0.50 BSC 0.020 BSC D2 18.50 0.728 E2 12.50 0.492 TOLERANCES FORM AND POSITION пЃ± -C-SEATING PLANE
ddd C SIDE VIEW aaa 0.20 0.008 bbb 0.20 0.008 ccc 0.08 0.003 ddd 0.08 0.003
REV 2 12/15 NOTES:
1. Dimension D1 and E1 do not include mold protrusion. Allowable
protrusion is 0.25mm per side. Dimensions D1 and E1 do include
mold mismatch and are determined at datum plane -H-. пЃ±2
R1
R2 -HS L GAUGE PLANE
0.25mm пЃ±3 DETAIL 1 2. Dimension b does not include dambar protrusion. Allowable dambar
protrusion shall be 0.08mm total in excess of the b dimension at
maximum material condition. Dambar cannot be located on the
lower radius or the lead foot. …