Well, www.icmaster.com does have some information on four different variants of MT4067, including a cross-reference to other manufacturer's equivalents. It seems to be a fairly standard 4x64K device ...
Joe. > -----Original Message----- > From: Joe [SMTP:[EMAIL PROTECTED]] > Sent: Friday, December 06, 2002 1:09 AM > To: Multiple recipients of list CHIPDIR-L > Subject: MT 4067-12 ? > > Does anyone have a pinout for these? I checked the number in a couple > of old IC Masters, they don't have a listing for the MT brand but they say > of the other brands of 4067s are 16 bit Multiplexers but I'm 99% that > these are memory chips. These are used in a Data I/O Unisite EPROM > programmer. It has 20 of them in it and I doubt it would have 20 16 bit > Multiplexers! I searched the web and I found two references to them. One > says that they're 32k x 4 DRAMs and the other says that they're 64k x 4. > These are marked "MT 4067-12" and "8906" (made in 1989?) and have an > American flag logo on them. > > Joe > > > > -- > Author: Joe > INET: [EMAIL PROTECTED] > > Fat City Network Services -- 858-538-5051 http://www.fatcity.com > San Diego, California -- Mailing list and web hosting services > --------------------------------------------------------------------- > 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: da Silva, Joe INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- 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).
