54LS190/BEA from Rochester Electronics, LLC is a DUAL MARKED (M38510/31513BEA)
54LS190J from Rochester Electronics, LLC is a BINARY COUNTER; 4 BIT SYNCHRONOU
DM54LS190W/883 from National Semiconductor is a IC BINARY COUNTER 4BIT 16CFLTPK
SNJ54LS190W from Texas Instruments is a DECADE COUNTER, LS SERIES
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