Line 2 Marking:
Line 3 Marking:
EM358x
Table 6.5. 48-Pin QFN Top Marking Explanation
TTTTTT = Mfg Code
YY=Year
WW-Work Week
Circle = 1.3 mm Diameter
Center Justified
Manufacturing Code from the Assembly Purchase
form. Assigned by the Assembly House. Corre-
sponds to the year and work week.
Right Justified
“e3” indicates Lead-Free terminal finish
Country of Origin
TW
ISO abbreviation
Right Justified
Rev 1.0
57