Datasheet

LPC111X All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 9.2 — 26 March 2014 117 of 127
NXP Semiconductors
LPC1110/11/12/13/14/15
32-bit ARM Cortex-M0 microcontroller
Fig 68. Reflow soldering of the HVQFN33 package (7x7)
Footprint information for reflow soldering of HVQFN33 package
001aao134
occupied area
solder land
solder resist
solder land plus solder paste
solder paste deposit
Dimensions in mm
Remark:
Stencil thickness: 0.125 mm
e = 0.65
evia = 4.25
OwDtot = 5.10 OA
PID = 7.25 PA+OA
OID = 8.20 OA
0.20 SR
chamfer (4×)
0.45 DM
evia = 1.05
W = 0.30 CU
evia = 4.25
evia = 2.40
LbE = 5.80 CU
LbD = 5.80 CU
PIE = 7.25 PA+OA
LaE = 7.95 CU
LaD = 7.95 CU
OIE = 8.20 OA
OwEtot = 5.10 OA
EHS = 4.85 CU
DHS = 4.85 CU
4.55 SR
4.55 SR
B-side
(A-side fully covered)
number of vias: 20
Solder resist
covered via
0.30 PH
0.60 SR cover
0.60 CU
SEhtot = 2.70 SP
SDhtot = 2.70 SP
GapE = 0.70 SP
SPE = 1.00 SP
0.45 DM
SPD = 1.00 SP
GapD = 0.70 SP