data sheet for com5025

On 8/21/06, dwight elvey <dkelvey at hotmail.com> wrote: We used the COM5025 on the Unibus versions of the COMBOARD. I have several hundred of them new in tubes, FWIW. We used them for byte-oriented synchronous serial protocols (HASP, 3780) and switched to the Z8530 to support bit-stuffing protocols like SNA. I do have data sheets on them, but not yet scanned, and in any case, 10,000 miles from here. I would think that someone on the list could come up with an electronic copy months before I could. I don't have any information on the 2652, but in the case of the COM5025, it's found on a couple of DEC's sync serial boards (DU11?), that's why we used it. The COMBOARD was the descendent of the HASPBOX, a product that was 100% DEC hardware (either an 11/04 or 11/03 with a 16-bit parallel link back to the (big) PDP-11 host and a DEC sync serial card to the IBM box on the other end of the link. Essentially, the COMBOARD was a single-board implementation of the HASPBOX with a 68000 as the processor rather than a PDP-11. As such, I _think_ the COM5025 works on either a 16-bit or an 8-bit host bus, but we always had them on 16-bit CPUs. -ethan