ON Semiconductor LM339 Reference Manual page 8

LM339, LM239, LM2901, LM2901V, NCV2901, MC3302
14 14
LM339N LM239N
AWLYYWW AWLYYWW
1 1
14 14
LM339D LM239D
AWLYWW AWLYWW
1 1
14 14
239 339
ALYW ALYW
1 1
MARKING DIAGRAMS
PDIP−14
N, P SUFFIX
CASE 646
14
LM2901N
AWLYYWW
1
SOIC−14
D SUFFIX
CASE 751A
14
LM2901D
AWLYWW
1
TSSOP−14
DTB SUFFIX
CASE 948G
14 14
2901
2901
V
ALYW
ALYW
1 1
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8
14 14
LM2901VN MC3302P
AWLYYWW AWLYYWW
1 1
14 14
*
LM2901VD
AWLYWW
1 1
A = Assembly Location
WL, L = Wafer Lot
14
YY, Y = Year
WW, W = Work Week
3302
ALYW
*This marking diagram also
applies to NCV2901.
1
MC3302D
AWLYWW