Thanks Mike and John, It looks like they are TLC2272AID and TLV2702. Farnell have the former, I'll keep looking for the other. Thanks again, Roger ----- Original Message -----=20 From: "Mike Harrison" To: "Microcontroller discussion list - Public." Sent: Sunday, July 25, 2010 11:44 PM Subject: Re: [EE] IC labels > On Sun, 25 Jul 2010 23:15:29 +0930, you wrote: > >>Hi guys, >> >>I must be missing something, but I really struggle to identify a lot of >>later smd ICs with weird codes. >> >>The latest board I'm working on has a dozen mostly 8 and 14 pin SOIC's.=20 >>Most >>I've eventually been able to identify, but there are still two 8 pin ones= =20 >>I >>need help with. I've tried as many combinations as I can think of in >>searching, but still no joy. >> >>They both have a label with three lines >> >>2272A1 (or 2272AI) >>24T >>D6XE >> >>The second, >> >>2702C >>46M >>C9V7 >> >>Both of these chips appear to be linear devices, not digital, and running >>with a VCC of 5 volts. I haven't been able to identify a company logo ..= .. >>it has been hard enough reading what's on them as it is. > > Either texas > TLC2272 > TLC2702 > > Or ST > TS2272 > TS2702 > > >>Thanks for any help with either these chips or perhaps a publication with >>codes that identify various devices. I do have a manual for some of the=20 >>more >>common smd transistors and fets etc which is very handy. >> >>Once I find what the IC is, the data sheet tells me the code on the=20 >>package, >>but that's the wrong way around. I need the code so I know what data shee= t >>to download. >> >>How do you guys get on? >> >>Regards, Roger > > --=20 > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist ---------------------------------------------------------------------------= ----- No virus found in this incoming message. Checked by AVG - www.avg.com Version: 8.5.441 / Virus Database: 271.1.1/3026 - Release Date: 07/24/10=20 18:36:00 --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .