SN54ALS640B, SN54AS640, SN74ALS640B, SN74AS640 OCT.
Texas Instruments
SN74ALS640B - OCTAL BUS TRANSCEIVERS
SN54ALS640B, SN54AS640, SN74ALS640B, SN74AS640 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SDAS122A – DECEMBER 1983 – REVISED JANUARY 1995 • Bidirect.
