Feb 11, 2015 #1 E-design Advanced Member level 5 Joined Jun 1, 2002 Messages 2,014 Helped 507 Reputation 1,016 Reaction score 408 Trophy points 1,363 Activity points 14,193 The attached schematic is part of an serial/parallel printer board in an old test instrument. Can someone identify IC12? On the diagram it is shown as 9306, but the parts list show 93064. It is connected to an 8255. Attachments 9306.png 106.7 KB · Views: 78
The attached schematic is part of an serial/parallel printer board in an old test instrument. Can someone identify IC12? On the diagram it is shown as 9306, but the parts list show 93064. It is connected to an 8255.
Feb 11, 2015 #2 Allen6502 Advanced Member level 4 Joined Nov 22, 2008 Messages 119 Helped 33 Reputation 66 Reaction score 31 Trophy points 1,308 Location Borneo Island Activity points 2,054 It's NMC9306N 256 bits serial eeprom. https://pdf1.alldatasheet.com/datasheet-pdf/view/9291/NSC/NMC9306N.html Allen
It's NMC9306N 256 bits serial eeprom. https://pdf1.alldatasheet.com/datasheet-pdf/view/9291/NSC/NMC9306N.html Allen
Feb 11, 2015 #3 E-design Advanced Member level 5 Joined Jun 1, 2002 Messages 2,014 Helped 507 Reputation 1,016 Reaction score 408 Trophy points 1,363 Activity points 14,193 Thanks, I thought it was some kind of memory but could not locate any data on it.