Namcot 108 family pinout

Namcot 108, Namcot 109, Namcot 118, Namcot 119: 28-pin shrink PDIP

               .--\/--.
(n) PRG A14 -> |01  28| -> PRG A15 (r)
 (s) PRG A0 -> |02  27| -> PRG A14 (r)
 (s) PRG D5 -> |03  26| <- M2 (n)      
 (s) PRG D0 -> |04  25| -> PRG A13 (r)
 (s) PRG D4 -> |05  24| <- PRG A13 (n)
 (s) PRG D1 -> |06  23| -> PRG A16 (r)
        Gnd -- |07  22| -> PRG /CE (r)
 (s) PRG D3 -> |08  21| -- +5V
 (s) PRG D2 -> |09  20| -> CHR A13 (r)
(n) /PRGSEL -> |10  19| -> CHR A11 (r)
    (n) R/W -> |11  18| -> CHR A10 (r)
(r) CHR A15 <- |12  17| <- CHR A10 (n)
(r) CHR A14 <- |13  16| <- CHR A11 (n)
(r) CHR A12 <- |14  15| <- CHR A12 (n)
               `------'

No behavioral differences are known between the 4 different part numbers; several games were released on the same board with identical code and different mapper ICs.

Many boards (and thus iNES mappers) redefined parts of the pinout for various extensions: 76, 88, 95, 154, and the canonical 206.