The SCAN182541A is a high performance BiCMOS line driver featuring separate data inputs organized into dual 9bit bytes with byte-oriented paired output enable control signals. This device is compliant with IEEE 1149.1 Standard Test Access Port and Boundary-Scan architecture with the incorporation of the defined Boundary-Scan test logic and test access port consisting of Test Data Input (TDI), Test Data Out (TDO), Test Mode Select (TMS), and Test Clock (TCK).