JM38510/30903BEA - NSC - NATIONAL SEMICONDUCTOR - Military High-Reliability Integrated Circuit, Commercial Number 54LS157 MFG. NATIONAL SEMICONDUCTOR Date Code 1985
JM38510/30903BEA - NSC - NATIONAL SEMICONDUCTOR - Military High-Reliability Integrated Circuit, Commercial Number 54LS157 MFG. NATIONAL SEMICONDUCTOR Date Code 1985