155-0022-00

The 155-0022-00 is an analog multiplexer chip made by Tektronix

It is used to multiplex between the two vertical plug-ins and also to switch trigger sources. It is packaged in a 16-pin DIP. Tek expected the 155-0022-00 to have a yearly failure rate of 0.05%.

• Tektronix 7000-Series Switching and Logic (PDF)

• 

  Schematic

Used in

• 7403, 7503
• 7603, 7613, 7623
• 7704
• 7844
• 7854
• 7912, 7904, 7934
• 7A12
• and probably others