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EM346-RTR 数据表(PDF) 130 Page - Silicon Laboratories

部件名 EM346-RTR
功能描述  High-Performance, Integrated Dual ZigBee PRO
PDF  142 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  SILABS [Silicon Laboratories]
网页  http://www.silabs.com
标志 SILABS - Silicon Laboratories

EM346-RTR 数据表(HTML) 130 Page - Silicon Laboratories

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EM346
Rev 1.0
131
19. Top Marking
Figure 19.1 shows the part marking for the EM346 Series. The circle in the top corner indicates Pin 1. Pins are
numbered counter-clockwise from Pin 1 with 12 pins per package edge.
Figure 19.1. Part Marking for EM346
Table 19.1. 48-Pin QFN Top Marking Explanation
Mark Method:
Laser
Pin 1 Marking:
Circle = 0.40 mm Diameter
(Top-Left Justified)
Line 1 Marking:
Logo and Device Part Number
Right Justified
Silicon Labs logo .
Line 2 Marking:
TTTTTT = Mfg Code
YY=Year
WW-Work Week
Manufacturing Code from the Assembly Purchase
form. Assigned by the Assembly House. Corre-
sponds to the year and work week.
Right Justified
Line 3 Marking:
Circle = 1.3 mm Diameter
Center Justified
Country of Origin
ISO abbreviation
Right Justified
“e3” indicates Sn solder finish.
TW



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