These octal bus transceiver are designed for asynchronous twoway communication between data buses. The control function implementation minimized external timing requirements. The device allows data transmission from the A bus to the B bus or from the B bus to the A bus depending upon the logic level at the directional control (DIR) input. The enable input(E) can be used to disable the device so that the buses are effectively isolated. Bidirectional Bus Transceiver in a High-Density 20-Pin Package 3-state Outputs Dirve Bus Lines Directly P-N-P Inputs D-C Loading on Bus Lines Hysteresis at Bus Inputs Improve Noise Margins Typical Propagation Delay Times; Port to Port ... 8 ns