MC74F620DW OCTAL TRANSCEIVER WITH 3-STATE OUTPUTS (INVERTING NONINVERTING)
MC74F620J OCTAL TRANSCEIVER WITH 3-STATE OUTPUTS (INVERTING NONINVERTING)
MC74F620N OCTAL TRANSCEIVER WITH 3-STATE OUTPUTS (INVERTING NONINVERTING)
MC74F623DW Octal bus transceiver with 3-state outputs
MC74F623J Octal bus transceiver with 3-state outputs
MC74F623N Octal bus transceiver with 3-state outputs