Thanks to all for your suggestions; unfortunately, apparently I have a niche application that isn't addressed by anything I've looked at. The Mitsubishi chips are obsolete (in fact, so is Mitsubishi Semi, whose business was absorbed by Renesas, but all the old parts like the PAL and NTSC...
zeitgeist:
yes, it's obsolete. My first thought after I figured out how crude a solution I needed was, "I wish the Commodore 64 chipset was still around."
Besides the ATE reason, here's another: if your circuit isn't PERFECT, you MAY want to USE one or more input or output to fix a bug or add functionality; it's a lot easier to just remove a pull-up, and use the pad for a mod wire, than to try to isolate one pin by surgical means! Another trick I...
My work has recently taken me into the architecture of video display systems; I'm having difficulty figuring out the best ways to perform some functions and/or locate ICs to do them. First one, is building a small color LCD "monitor" (QVGA) with NTSC/PAL input; small LCDs mostly have...