INTEGRATO SN 74HC640 - Octal Inverting Bus Transceiver Tri-State

INTEGRATO SN 74LS541 - Octal Buffer/Line Driver Tri-State

INTEGRATO SN 74LS244 - Octal Driver Tri-State

INTEGRATO SN 74LS645 - Octal Bus Transceiver Tri-State

INTEGRATO SN 74LS373 - Octal D-Type Flip-Flop Tri-State

INTEGRATO SN 74LS654 - octal bus transceiver/register with noninverting three-s

CIRCUITO INTEGRATO SN 74LS374 - Octal D-Type F/F Edge-triggered Tri-State

INTEGRATO SN 74LS273n - Octal D-type Flip-Flop with Clear