BUY WD33C93A-PL-00-08 https://www.utsource.net/itm/p/9480844.html

The WD33C93A-PL-00-08 is a DIP-40 SCSI controller chip manufactured by Western Digital Corporation (WDC). It is a single-chip SCSI controller designed for use in embedded systems. The chip supports up to seven SCSI devices, including hard drives, tape drives, CD-ROMs, and scanners. It also supports the SCSI-2 protocol and has an integrated 8-bit DMA controller. The chip has an on-chip RAM buffer and an on-chip ROM for storing the SCSI BIOS. It is designed to be used in embedded systems, such as industrial controllers, medical equipment, and other systems that require a reliable SCSI interface. (For reference only)