Obsolete 54F 74F646 74F646B 54F 74F648 Octal .
National Semiconductor
54F648 - Octal Transceiver/Register
Obsolete 54F 74F646 74F646B 54F 74F648 Octal Transceiver Register with TRI-STATE Outputs December 1994 54F 74F646 74F646B 54F 74F648 Octal .
