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Hello,I am looking for datasheet or any info about M54HC123FL/M54HCL23FL (I am not sure what is written on top ones or Ls) ic. I have extracted it from old spectrometer control rack and google wasn't helpfull at all. I would appriciate any help.
Note, pin-outs are usually different between 54 and 74 series.
Quote from: Andy Watson on February 12, 2021, 11:58:03 pmNote, pin-outs are usually different between 54 and 74 series.What? AFAIK 54xx and 74xx have the same pinout but different temperature ranges.
You didn't mention the SGS It's an ancient ST device from the days when they were known as SGS Thomson:http://pdf.datasheetcatalog.com/datasheet/SGSThomsonMicroelectronics/mXvqrsx.pdf