54AC191DMQB 74AC191MTC 74AC191MTC 74AC191MTCX 74AC191PC 74AC191SC 74AC191SCX 74AC191SJ 74HC191D,652 74HC191D,652 74HC191D,653 74HC191D,653 74HC191D/AUJ 74HC191DB,112 74HC191DB,118 74HC191FP-E 74HC191N,652 74HC191P-E 74HC191PW,112 74HC191PW,118 74HC191PW,118 ATV15C191JB-HF ATV30C191JB-HF ATV30C191J-HF ATV50C191JB-HF ATV50C191J-HF CD54HC191F3A CD54HC191F3A CD74AC191E CD74HC191E CD74HC191E CD74HC191E