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STM32H7B3AI Folha de dados(PDF) 201 Page - STMicroelectronics

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Descrição Electrónicos  32-bit Arm® Cortex®-M7 280 MHz MCUs, 2-Mbyte flash memory, 1.4-Mbyte RAM, 46 com. and analog interfaces, SMPS, crypto
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Table 134. LQFP144 - Mechanical data
Symbol
millimeters
inches(14.)
Min
Typ
Max
Min
Typ
Max
A
-
-
1.60
-
-
0.0630
A1(12.)
0.05
-
0.15
0.0020
-
0.0059
A2
1.35
1.40
1.45
0.0531
0.0551
0.0571
b(9.)(11.)
0.17
0.22
0.27
0.0067
0.0087
0.0106
b1(11.)
0.17
0.20
0.23
0.0067
0.0079
0.0090
c(11.)
0.09
-
0.20
0.0035
-
0.0079
c1(11.)
0.09
-
0.16
0.0035
-
0.0063
D(4.)
22.00 BSC
0.8661 BSC
D1(2.)(5.)
20.00 BSC
0.7874 BSC
E(4.)
22.00 BSC
0.8661 BSC
E1(2.)(5.)
20.00 BSC
0.7874 BSC
e
0.50 BSC
0.0197 BSC
L
0.45
0.60
0.75
0.0177
0.0236
0.0295
L1
1.00 REF
0.0394 REF
N(13.)
144
Θ
0°
3.5°
7°
0°
3.5°
7°
Θ1
0°
-
-
0°
-
-
Θ2
10°
12°
14°
10°
12°
14°
Θ3
10°
12°
14°
10°
12°
14°
R1
0.08
-
-
0.0031
-
-
R2
0.08
-
0.20
0.0031
-
0.0079
S
0.20
-
-
0.0079
-
-
aaa
0.20
0.0079
bbb
0.20
0.0079
ccc
0.08
0.0031
ddd
0.08
0.0031
Notes:
1.
Dimensioning and tolerancing schemes conform to ASME Y14.5M-1994.
2.
The top package body size may be smaller than the bottom package size by as much as 0.15 mm.
3.
Datums A-B and D to be determined at datum plane H.
4.
To be determined at seating datum plane C.
5.
Dimensions D1and E1 do not include mold flash or protrusions. Allowable mold flash or protrusions is “0.25
mm” per side. D1 and E1 are Maximum plastic body size dimensions including mold mismatch.
6.
Details of pin 1 identifier are optional but must be located within the zone indicated.
7.
All dimensions are in millimeters.
8.
No intrusion allowed inwards the leads.
9.
Dimension “b” does not include dambar protrusion. Allowable dambar protrusion shall not cause the lead
width to exceed the maximum “b” dimension by more than 0.08 mm. Dambar cannot be located on the lower
radius or the foot. Minimum space between protrusion and an adjacent lead is 0.07 mm for 0.4 mm and 0.5
mm pitch packages.
STM32H7B3xI
LQFP144 package information
DS13139 - Rev 8
page 201/238



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