74ACT818 - 8-Bit Diagnostic Register
The ACT818 is a high-speed, general-purpose pipeline register with an on-board diagnostic register for performing serial diagnostics and/or writable control store loading.
The D-to-Y path provides an 8-bit parallel data path pipeline register for normal system operation.
The diagnostic register can
74ACT818 Features
* s On-line and off-line system diagnostics s Swaps the contents of diagnostic register and output register s Diagnostic register and diagnostic testing s Cascadable for wide control words as used in microprogramming s Edge-triggered D registers s Outputs source/sink 24 mA s ACT818 has TTL-compatible
