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LM139AD NSC COMPARATOR-QD/14CDIP EE# 555088 DATE-CODE: 733 LOT# C164
54221J AMD SN54221J EE# 555090 DATE-CODE: 7549 LOT# C164
54221J T-I SNC54221J EE# 555089 DATE-CODE: 7745 LOT# 200
54221J T-I SNC54221J
INTEGRATED CIRCUITS 54221J TI SNC54221J WOESurplus Integrated Circuits