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TEXAS INSTRUMENTS Manuals
Logic ICs
Logic IC - Receiver, transceiver SOIC 20
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SN54LS640 THRU SN54LS642, SN54LS644, SN54LS645
SN74LS640 THRU SN74LS642, SN74LS644, SN74LS645
OCT
AL BUS TRANSCEIVRS
SDLS189 – APRIL 1979 – REVISED MARCH 1988
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POST OFFICE BOX 655303
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DALLAS, TEXAS 75265
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