参数资料
型号: EFM32-G230F128-SK
厂商: Energy Micro
文件页数: 52/67页
文件大小: 0K
描述: IC MICRO KIT GECKO 64QFN
标准包装: 1
系列: Gecko
套件类型: 微控制器
值: 2 件 - 闪存 - 128KB
包装: 纸板盒
安装类型: 表面贴装
包括封装: 64-QFN
工具箱内容: (2) 914-1012-2-ND - IC MCU 32BIT 128KB FLASH 64QFN
其它名称: 914-1009
EFM32-G230-SK-F128/64/32
...the world's most energy friendly microcontrollers
2013-06-28 - EFM32G230FXX - d0005_Rev1.60
56
www.energymicro.com
Figure 5.3. QFN64 PCB Stencil Design
e
a
d
c
b
x
y
z
Table 5.3. QFN64 PCB Stencil Design Dimensions (Dimensions in mm)
Symbol
Dim. (mm)
Symbol
Dim. (mm)
a
0.75
e
8.90
b
0.22
x
2.70
c
0.50
y
2.70
d
8.90
z
0.80
1. The drawings are not to scale.
2. All dimensions are in millimeters.
3. All drawings are subject to change without notice.
4. The PCB Land Pattern drawing is in compliance with IPC-7351B.
5. Stencil thickness 0.125 mm.
6. For detailed pin-positioning, see Figure 4.2 (p. 53) .
5.2 Soldering Information
The latest IPC/JEDEC J-STD-020 recommendations for Pb-Free reflow soldering should be followed.
The packages have a Moisture Sensitivity Level rating of 3, please see the latest IPC/JEDEC J-STD-033
standard for MSL description and level 3 bake conditions.
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