AY-3-8914

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                 +-----+--+-----+
             Vss |1    +--+   40| Vss
              NC |2           39| REST 1
ANALOG CHANNEL B |3           38| ANALOG CHANNEL C
ANALOG CHANNEL A |4           37| DA0
              NC |5           36| DA1
            IOB7 |6           35| DA2
            IOB6 |7           34| DA3
            IOB5 |8           33| DA4
            IOB4 |9   AY-3-   32| DA5
            IOB3 |10    8914  31| DA6
            IOB2 |11          30| DA7
            IOB1 |12          29| BC1
            IOB0 |13          28| BC2
            IOA7 |14          27| BDIR
            IOA6 |15          26| TEST 2
            IOA5 |16          25| A8
            IOA4 |17          24| /A9
            IOA3 |18          23| /RESET
            IOA2 |19          22| CLOCK
            IOA1 |20          21| IOA0
                 +--------------+

Datasheet

Technical Information: AY-3-8914 (From the Intellivision Service Manual)