- 74HC640
Octal transceiver; 3-state; inverting - 74HC640D
Octal transceiver; 3-state; inverting - 74HC640D-T
Single 8-Bit Inverting Bus Transceiver - 74HC640DB
Octal transceiver; 3-state; inverting - 74HC640N
Octal transceiver; 3-state; inverting - 74HC640PW
Octal transceiver; 3-state; inverting - 74HC640U
Octal bus transceiver; 3-state; inverting - 74HC643
Octal transceiver; 3-state; true/inverting - 74HC643D
Octal bus transceiver; 3-state; true/inverting - 74HC643D-T
8-Bit Inverting/Non-Inverting Bus Trasceiver - 74HC643N
Octal bus transceiver; 3-state; true/inverting - 74HC643U
Octal bus transceiver; 3-state; true/inverting - 74HC646
Octal transceiver/register; 3-state - 74HC646D
Octal transceiver/register; 3-state - 74HC646D-T
Single 8-bit Bus Transceiver