Trying to repair an old Sinclair DM235 DMM I'm searching for the data sheet of AY-5-3507 display driver(?) which is, BTW, cross referenced to MP3202. Can anybody help? My highest degree of happiness would be receiving the schematic of DM235 ;-) ...
Possibly the information is wrong. General Semiconductor was acquired by Vishay but chances are that the old datasheets and all that have ended up in the dumpster. Maybe someone has an old databook? That's why I keep those but unfortunately I don't have that one.
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Regards, Joerg
http://www.analogconsultants.com/
"gmail" domain blocked because of excessive spam.
Use another domain or send PM.
550 /u/m/mzenier/AY-5-3705.pdf: No such file or directory ...Jim Thompson
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| James E.Thompson, CTO | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona 85048 Skype: Contacts Only | |
| Voice:(480)460-2350 Fax: Available upon request | Brass Rat |
| E-mail Icon at http://www.analog-innovations.com | 1962 |
I love to cook with wine. Sometimes I even put it in the food.
Ah, the problem with hand typed urls. And I double checked it, or so I though. Well, the part number on the file at the server is correct... (Workaround, go to the directory with ).
Mark Zenier snipped-for-privacy@eskimo.com Googleproofaddress(account:mzenier provider:eskimo domain:com)
Jpegs aren't good for scans of line drawings. They either bloat or the quality sucks if the compression is too high.
Use monochrome pictures with a one bit per pixel based file format with compression. The Group 4 CCITT (fax) compression on a monochrome image (that's one available mode for tiff or .pdf files) will get you 30-50k bytes per page. .Gif or .png are pretty good, too, but about twice that.
The OCR/font based systems like djvu or the one (whose name I don't remember) in newer .pdfs is even better, maybe 3-5 times smaller. (But I don't have the software to create those or even view some of them. As a neo-luddite late adopter, version 1.2 or 1.3? pdfs seem to work best).
Mark Zenier snipped-for-privacy@eskimo.com Googleproofaddress(account:mzenier provider:eskimo domain:com)
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