M74ALS138P MITSUBISHI 74ALS138 VINTAGE 16-Pin DIP Rare ORIG TUBES LAST ONES QTY1

CD40105BE RCA CMOS VINTAGE 16-Pin DIP Rare! LAST ONES QTY-1

74F139N SIGNETICS SN74F139N 16-PIN DIP RARE NOS LAST ONES QTY-1

MM74HC4020N NSC 74HC4020N 74HC4020 VINTAGE 16-Pin DIP LAST ONES COLLECTIBLE QTY1

MC74HC259N MOTOROLA 74HC259 CMOS VINTAGE 16-Pin DIP Rare! LAST ONES QTY-1

MC3486N TI 3486N DC 822X 16-PIN DIP SILVERTOP VINTAGE RARE NEW LAST ONES QTY-1

MM74C175N 74C175 NSC CD40175BCN IC 16-PIN DIP VINTAGE LAST ONES QTY-1

74LS251E SPC 74LS251N 16-PIN DIP NEW VINTAGE 1981 VERY RARE COLLECTIBLE QTY-1