74ACQ646 Quiet Series?????????? Octal Transceiver/Register
74ACQ646ASPC Single 8-bit Bus Transceiver
74ACQ646CW Quiet Series Octal Transceiver/Register with 3-STATE Outputs
74ACQ646SC Quiet Series? Octal Transceiver/Register with 3-STATE Outputs
74ACQ646SCQR Single 8-bit Bus Transceiver
74ACQ646SCX Single 8-bit Bus Transceiver
74ACQ646SPC Single 8-bit Bus Transceiver
74ACQ646SPCQR Single 8-bit Bus Transceiver