© NXP Laboratories UK 2012
JN-DS-JN5142 1v0
79
A.4 Device Package Marking
The diagram below shows the package markings for JN5142. The package on the left along with the legend
information below it, shows the general format of package marking. The package on the right shows the specific
markings for a JN5142 device, with revision B ROM software, that came from assembly build number 01 and was
manufactured week 25 of 2011.
J N 5 1 4 2 S
X X X X X X
X X X X F F
X X X Y W W X X
J N 5 1 4 2 B
R U L 2 8 0
0 0 Y U 0 1
q S D 1 2 5 - X
N
X
P
N
X
P
Figure 47: Device Package Marking
Legend:
JN
Family part code
XXXX
4 digit part number
S
Software ROM identifier letter
FF
2 digit assembly build number
Y
1 digit year number
WW
2 digit week number
Network Stack
Ordering Code
Part Marking
IEEE802.15.4 & RF4CE
JN5142N/001
JN5142B
JenNet-IP
JN5142N/J01
JN5142C