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ST25R3911B Datasheet(PDF) 105 Page - STMicroelectronics

Part # ST25R3911B
Description  High performance HF reader / NFC initiator with 1.4 W supporting VHBR and AAT
PDF  116 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST25R3911B Datasheet(HTML) 105 Page - STMicroelectronics

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4.2
VFQFPN32 package information
The ST25R3911B is available in a 32-pin QFN (5 mm x 5 mm) package (see Figure 32. QFN32 package outline).
Dimensions are detailed in Table 102. QFN32 5 mm x 5 mm dimensions.
Figure 33. VFQFPN - 32 pins, 5x5 mm, 0.5 mm pitch, very thin fine pitch quad flat no lead package outline
ccc C
E2
D2
Pin #1 ID
Chamfer 0.35
32
1
8
L
b
e
24
16
S1
bbb M C A B
32x
E
Pin #1 ID
B
D
C
A
32x
eee C
Detail A
A
A1
BOTTOM VIEW
TOP VIEW
L
A3
0.05 Ref.
SLP1 PLATED AREA
Terminal length
Terminal thickness
Detail A
SIDE VIEW
SIDE VIEW
1.
Drawing is not to scale.
2.
Co-planarity applies to the exposed heat slug as well as to the terminal.
Table 103. VFQFPN - 32 pins, 5x5 mm, 0.5 mm pitch, very thin fine pitch quad flat no lead mechanical data
Symbol
millimeters
inches(1)
Min
Typ
Max
Min
Typ
Max
A
0.800
0.900
1.000
0.0315
0.0354
0.0394
A1
0
-
0.050
0
-
0.0020
A3
0.200
0.0079
L
0.300
0.400
0.500
0.0118
0.0157
0.0197
b
0.180
0.250
0.300
0.0071
0.0098
0.0118
D
5.000
0.1969
D2
3.400
3.500
3.600
0.1339
0.1378
0.1417
E
5.000
0.1969
E2
3.400
3.500
3.600
0.1339
0.1378
0.1417
e
0.500
0.0197
S1
0.350
0.0138
bbb
-
0.100
-
-
0.0039
-
ccc
-
0.100
-
-
0.0039
-
ST25R3911B
VFQFPN32 package information
DS11793 - Rev 6
page 105/116



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