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SN54LS242, SN54LS243, SN74LS242, SN74LS243
QUADRUPLE BUS TRANSCEIVERS
APRIL 1985 âREVISED MARCH 1988
Two-Way Asynchronous Communication
Between Data Buses
SN 5 4 LS 2 4 2 , SN 5 4 LS 2 4 3