PALS

PALS

TTL Programmable Array Logic used in Disciple and +D disk interfaces

PAL20L8

24-Pin Programmable Array Logic with 14 dedicated input pin, 6 combinatorial input/output pin and 2 combinatorial output pin.

Pinout:

I0 [ I1 [ I2 [ I3 [ I4 [ I5 [ I6 [ I7 [ I8 [ I9 [ I10 [ GND [

1 °      24 2        23 3        22 4        21 5        20 6        19 7        18 8        17 9        16 10       15 11       14 12       13

] VCC ] I12 ] O8 ] I/O7 ] I/O6 ] I/O5 ] I/O4 ] I/O3 ] I/O2 ] O1 ] I11 ] I13