74ACT818 Datasheet - Fairchild Semiconductor

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

74ACT818_FairchildSemiconductor.pdf