You must use a different Google than I do. About the 6th or 7th hit was
http://moon.feld.cvut.cz/hw/st/4463.pdf A cross reference index that lists the TA7506P as a Toshiba part that crosses to a LM301AN. And, as one would expect, Google finds the LM301AN at http://www.national.com/pf/LM/LM301A.html Where it is described as "an industry standard operational amplifier" with "improved" specs. And, also shows it on "Last Time Buy" as of 1995!! (Which one would expect ;-) ), but lists a data sheet that should get you on your way to finding a current sub. Does that help?? Bob Smith --- Avoid computer viruses, Practice safe hex --- -- Specializing in small, cost effective embedded control systems -- http://www.smithmachineworks.com/embedprod.html Robert L. (Bob) Smith Smith Machine Works, Inc. 9900 Lumlay Road Richmond, VA 23236 804/745-2608 [EMAIL PROTECTED] ----- Original Message ----- To: "Multiple recipients of list CHIPDIR-L" <[EMAIL PROTECTED]> Sent: Thursday, June 03, 2004 12:09 PM > Whassat? > > It's a little 8 pin dil in a sensor board from Japan manufactured by > Toshiba, AFAIK. It's surrounded by HA17903 & HA17904 (Hitatchi)chips > which are dual opamp & dual comparator, and I would swear it is some > sort of a single opamp: 7 & 4 are rails; 1 & 8 have a tiny capacitor > (compensation?); 2 & 3 seem like input pins. > > I tried: > > Chipdir - No dice. > Google - results are depressing. > www.datasheetarchive.com - finds TA75060, etc. This is TA7506P > Last ICMASTER cd (2000) also finds only TA75060-4. > Ancient D.A.T.A. reference volumes (vintage 1986) - not listed. > ABI's chip tester didn't recognize it (What's new?). At least it > didn't come out with it's usual "Warning: all parts of this type fail" > message. That one really gets me going. > > > Anyone got anything else up their sleeve? A pinout or a substitute is > fine. I can't find this one. > > -- > > With best Regards, > > > Declan Moriarty. > -- > Author: Declan Moriarty > INET: [EMAIL PROTECTED] > > Fat City Hosting, San Diego, California -- http://www.fatcity.com > --------------------------------------------------------------------- > To REMOVE yourself from this mailing list, send an E-Mail message > to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in > the message BODY, include a line containing: UNSUB CHIPDIR-L > (or the name of mailing list you want to be removed from). You may > also send the HELP command for other information (like subscribing). > -- Author: Bob Smith INET: [EMAIL PROTECTED] Fat City Hosting, San Diego, California -- http://www.fatcity.com --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB CHIPDIR-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
