Octal Inverting Bus Transceiver, 8-Bit, 24mA, PDIP, 5V
Octal Inverting Bus Transceiver, 8-Bit, SOIC, 24mA Output
Octal Bus Transceiver, Inverting, 8-Bit, SOIC, 5V
SN74LS642-1N
SN74LS642-1DW