3193A

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Nintendo NES10 Lockout Chip (CIC)

Cut (and optionally ground) pin 4 to disable.

    +---+--+---+
OUT |1  +--+ 16| Vcc
 IN |2       15| R22
R02 |3       14| R21
SEL |4       13| R20
CL2 |5 3193A 12| R13
CLK |6       11| R12
RST |7       10| R11
GND |8        9| R10
    +----------+