Datasheet

Package characteristics STM8L151xx, STM8L152xx
122/131 DocID15962 Rev 13
10.2.5 28-lead ultra thin fine pitch quad flat no-lead 4x4 mm package
(UFQFPN28)
Figure 51. UFQFPN28 package outline
1. Drawing is not to scale.
Table 67. UFQFPN28 package mechanical data
Symbol
millimeters inches
(1)
1. Values in inches are converted from mm and rounded to 4 decimal digits.
Min Typ Max Min Typ Max
A 0.500 0.550 0.600 0.0197 0.0217 0.0236
A1 -0.050 0.000 0.050 -0.0020 0.0000 0.0020
D 3.900 4.000 4.100 0.1535 0.1575 0.1614
D1 2.900 3.000 3.100 0.1142 0.1181 0.1220
E 3.900 4.000 4.100 0.1535 0.1575 0.1614
E1 2.900 3.000 3.100 0.1142 0.1181 0.1220
L 0.300 0.400 0.500 0.0118 0.0157 0.0197
L1 0.250 0.350 0.450 0.0098 0.0138 0.0177
T 0.152 0.0060
b 0.200 0.250 0.300 0.0079 0.0098 0.0118
e 0.500 0.0197
T
e
b
Seating
Plane
A1
A
Co 130x45°
Pin 1 corner
L1
L
Ro.125 Typ.
28
1
Detail Z
D
D1
E
E1
Pin 1 ID
Seating
Plane
B
A
Detail Z
A0B0_ME_V4