Plastic Packages for Integrated Circuits Package Outline Drawing
Q144.20x20C
144 LEAD THIN QUAD FLATPACK PACKAGE (TQFP)
Rev 0, 2/12
MILLIMETERS D SYMBOL D1
D2 A
A2 A1 -0.05 S -D-MIN -B-A-e b L1 E E1 E2 4X aaa C A-B D
bbb H A-B D 0.05 0.10 0.95 1.00 1.05 0.037 0.039 0.041 0.15 0.002 0.004 0.006 D 22.00 BSC D1 20.00 BSC 0.866 BSC
0.787 BSC E 22.00 BSC 0.866 BSC 20.00 BSC 0.787 BSC R2 0.08 -0.20 0.003 R1 0.08 -0.003 -Оё 0В° 3.5В° 7В° 0В° 3.5В° 7В° ccc C -C-SEATING PLANE -0.008 Оё1 0В° -0В° -Оё2 11В° 12В° 13В° 11В° 12В° 13В° Оё3 11В° 12В° 13В° 11В° 12В° 13В° c 0.09 -0.008 L 0.45 L1
S 0.20 0.004 0.60 0.75 0.018 0.024 0.030 1.00 REF
0.20 -0.039 REF
-0.008 -144L
MILLIMETERS Оё MAX A2 C SEE DETAIL "X" NOM A1 ddd M C A-B s D s Оё1 Оё2 MIN 1.00 1.10 1.20 0.039 0.043 0.047 TOP VIEW SIDE VIEW MILLIMETERS MAX A E1 4X NOM MILLIMETERS SYMBOL MIN NOM MAX MIN NOM MAX b 0.17 0.20 0.27 0.007 0.008 0.011 e 0.50 BSC 0.020 BSC D2 17.50 0.689 E2 17.50 0.689 TOLERANCES OF FORM AND POSITION
aaa 0.20 0.008 bbb 0.20 0.008 ccc 0.08 0.003 ddd 0.08 0.003 NOTES:
R1
R2 GAUGE
PLANE
0.25mm -H-L Оё3 S DETAIL "X" 1. Dimensions D1 and E1 do not include mold protrusion.
Allowable protrusion is 0.25mm per side. D1 and E1 are
maximum plastic body size dimensions including mold
mismatch.
2. Dimension b does not include dambar protrusion.
Allowable dambar protrusion shall not cause the lead …
