4201

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Clock Generator
support chip for Intel 4040 CPU

Pinout

        DIP16-300mil
         +---\/---+
     GND | 1    16| °2T
     °1T | 2    15| Vcc
      °2 | 3    14| °1
     Vdd | 4    13| VRESET
    MODE | 5    12| RESET IN
  N.OPEN | 6    11| STOP
      X1 | 7    10| ACK
      X2 | 8     9| N.CLOSED
         +--------+

Frequency

Set reader to FREQ, put black probe to GND, red probe to 7,8 to measure CPU clock

External links

4040 page on Wikipedia
4201 page on CPU-Galaxy

Files