The SN74ABT620NSR from Texas Instruments is an inverting transceiver Integrated Circuit rated 5.5 V, with 1 element, 8 bits per element and 3-state outputs, in a 20-SO package.
The SN74ABT620N from Texas Instruments is an inverting transceiver Integrated Circuit with 1 element of 8 bits each, 3-state outputs and 5.5 V, in a 20-PDIP package.
The SN74ABT620DBRG4 from Texas Instruments is an inverting transceiver Integrated Circuit with 1 element, 8 bits per element and 3-state outputs, rated 5.5 V, in a 20-SSOP package.
The SN74ABT620DBRE4 from Texas Instruments is an inverting transceiver with 1 element of 8 bits each and 3-state outputs, rated 5.5 V, in a 20-SSOP package.
The SN74ABT620DBR from Texas Instruments is an inverting transceiver Integrated Circuit with 1 element, 8 bits per element and 3-state output, rated at 5.5 V, in a 20-SSOP package.