SN74LS243 - QUAD BUS TRANSCEIVER
QUAD BUS TRANSCEIVER The SN54/ 74LS242 and SN54 / 74LS243 are Quad Bus Transmitters / Receivers designed for 4-line asynchronous 2-way data communications between data buses.
SN54/74LS242 SN54/74LS243 Hysteresis at Inputs to Improve Noise Immunity 2-Way Asynchronous Data Bus Communication Input Clamp Diodes Limit High-Speed Termination Effects LOGIC AND CONNECTION DIAGRAMS DIP (TOP VIEW) SN54 / 74LS242 VCC 14 GBA 13 NC 12 1B 11 2B 10 3B 9 4B 8 QUAD BUS TRANSCEIVE