SN54ALS646, SN54ALS648, SN54AS646 SN74ALS646A, SN7.
Texas Instruments
SN74ALS646A - OCTAL BUS TRANSCEIVERS AND REGISTERS
SN54ALS646, SN54ALS648, SN54AS646 SN74ALS646A, SN74ALS648A, SN74AS646, SN74AS648 OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS SDAS039F – .
