8080

8-bit Microprocessor

Pinout

DIP40
         +---\/---+
     A10 | 1    40| A11
     GND | 2    39| A14
      D4 | 3    38| A13
      D5 | 4    37| A12
      D6 | 5    36| A15
      D7 | 6    35| A9
      D3 | 7    34| A8
      D2 | 8    33| A7
      D1 | 9    32| A6
      D0 |10    31| A5
     -5v |11    30| A4
   RESET |12    29| A3
    HOLD |13    28| +12V
     INT |14    27| A2
    CLK2 |15    26| A1
    INTE |16    25| A0
    DBIN |17    24| WAIT
     *WR |18    23| READY
    SYNC |19    22| CLK1
     +5V |20    21| HLDA
         +--------+

Frequency

DIP40
Set reader to FREQ, put black probe to GND, red probe to 15 and 22 to measure CPU clock

External links

8080 page on Wikipedia
8080 page on CPU-World

Files

• 
  8080 Datasheet