SN74LS640NSR ,Octal bus transceivers
SN74LS641-1DWR ,Octal bus transceivers with open collector outputs
SN74LS641DW ,OCTAL BUS TRANSCEIVERS
SN74LS641NSR ,Octal bus transceivers with open collector outputs
SN74LS642-1DW ,Octal bus transceivers with open collector outputs
SN74LS642NSR ,Octal bus transceivers with open collector outputs
SP213EHEA , High Speed 5V High Performance RS232 Transceivers
SP231ACP , Enhanced RS-232 Line Drivers/Receivers
SP231ACP , Enhanced RS-232 Line Drivers/Receivers
SP231ACT , Enhanced RS-232 Line Drivers/Receivers
SP231ACT , Enhanced RS-232 Line Drivers/Receivers
SP231AET , Enhanced RS-232 Line Drivers/Receivers
SN74LS640DBR-SN74LS640NSR
Octal bus transceivers
SN54LS640 THRU SN54LS642, SN54LS644, SN54LS645 SN74LS640 THRU SN74LS642, SN74LS644, SN74LS645 OCTAL BUS TRANSCEIVRS SDLS189 – APRIL 1979 – REVISED MARCH 1988 Copyright 1988, PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
