Datasheet

Package characteristics STM8L151x2, STM8L151x3
108/112 Doc ID 018780 Rev 4
Table 61. UFQFPN20 - 20-lead ultra thin fine pitch quad flat package (3x3)
package mechanical data
Dim.
mm inches
(1)
Min Typ Max Min Typ Max
D 3.000 0.1181
E 3.000 0.1181
A 0.500 0.550 0.600 0.0197 0.0217 0.0236
A1 0.000 0.020 0.050 0.0000 0.0008 0.0020
A3 0.152 0.0060
θ 0 ° 12 ° 0 ° 12 °
e 0.500 0.0197
L1 0.500 0.550 0.600 0.0197 0.0217 0.0236
L2 0.300 0.350 0.400 0.0118 0.0138 0.0157
L3 0.150 0.0059
L4 0.200 0.0079
b
0.180 0.250 0.300 0.0071 0.0098 0.0118
Tolerance (mm) Tolerance (inches)
ddd 0.050 0.0020
1. Values in inches are converted from mm and rounded to 4 decimal digits.