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The Tektronix M167  (P/N 155-0088-00) is a custom legend generator monolithic integrated circuit in a 20-pin DIP, designed by Roger McCoy and Mike Metcalf.

It contains a 12×10×4 read-only memory coupled to a 4-bit D/A converter with internal current sources that can directly interface with the row and column current inputs of the 7000 series readout system.

The 155-0086-00/0087/0088/0104/0105/0135-00 (M165, M166, M167, M169, M170, M171) share the same silicon and differ only in the metallization layers.


Used in

Some instruments using part 155-0088-00

Instrument Manufacturer Class Model Description Introduced
7D15 Tektronix Plug-in 7D15 225 MHz frequency counter 1972
7L13 Tektronix Plug-in 7L13 1.8/2.5 GHz Spectrum Analyzer 1974
7L14 Tektronix Plug-in 7L14 1.8 GHz Spectrum Analyzer with digital storage 1982