Product status link M54HCxxx, M54HCTxxx M54HCxxx,.
54HCT245 - Octal Bus Transceivers
CD54HCT245 - High-Speed CMOS Logic Octal-Bus Transceiver
54HCT245 - Rad-hard high speed 2 to 6V CMOS logic
SN54HCT245 - Octal Bus Transceiver
M54HCT245 - Rad-hard high speed 2V to 6V CMOS logic