SN54LS640 THRU SN54LS642, SN54LS644, SN54LS645
SN74LS640 THRU SN74LS642, SN74LS644, SN74LS645
OCTAL BUS TRANSCEIVRS
SDLS189 – APRIL 1979 – REVISED MARCH 1988
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
Copyright 1988, Texas Instruments Incorporated
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.
SN54LS640 THRU SN54LS642, SN54LS644, SN54LS645
SN74LS640 THRU SN74LS642, SN74LS644, SN74LS645
OCTAL BUS TRANSCEIVRS
SDLS189 – APRIL 1979 – REVISED MARCH 1988
2POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54LS640 THRU SN54LS642, SN54LS644, SN54LS645
SN74LS640 THRU SN74LS642, SN74LS644, SN74LS645
OCTAL BUS TRANSCEIVRS
SDLS189 – APRIL 1979 – REVISED MARCH 1988
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54LS640, SN54LS645
SN74LS640, SN74LS645
OCTAL BUS TRANSCEIVRS WITH 3-STATE OUTPUTS
SDLS189 – APRIL 1979 – REVISED MARCH 1988
4POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54LS640, SN54LS645
SN74LS640, SN74LS645
OCTAL BUS TRANSCEIVRS WITH 3-STATE OUTPUTS
SDLS189 – APRIL 1979 – REVISED MARCH 1988
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54LS640, SN54LS645
SN74LS640, SN74LS645
OCTAL BUS TRANSCEIVRS WITH 3-STATE OUTPUTS
SDLS189 – APRIL 1979 – REVISED MARCH 1988
6POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54LS641, SN54LS642, SN54LS644
SN74LS641, SN74LS642, SN74LS644
OCTAL BUS TRANSCEIVRS WITH OPEN-COLLECTOR OUTPUTS
SDLS189 – APRIL 1979 – REVISED MARCH 1988
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54LS641, SN54LS642, SN54LS644
SN74LS641, SN74LS642, SN74LS644
OCTAL BUS TRANSCEIVRS WITH OPEN-COLLECTOR OUTPUTS
SDLS189 – APRIL 1979 – REVISED MARCH 1988
8POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
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Copyright 1999, Texas Instruments Incorporated
