Datasheet or information on 3 chips

[none]

I am looking for any information on these three chips:

1)
AMI 8603MAD
SP314-01A
TONE
PHILIPPINES

24 pin
600 mil width

2)
AMI 8618MAL
SP198-3P
PHILIPPINES

22 pin
300 mil width

3)
CP5024A
248-1P
528511

24 pin
600 mil width


Thanks.

 

[[email protected]]

1)
AMI 8603MAD
SP314-01A

2)
AMI 8618MAL
SP198-3P

3)
CP5024A
248-1P

All of these chips are custom house-numbered parts and the first two
were made in early 1986. You might find spares information by googling
the name of the manufacturer of this equipment and SP314091A, SP198-3P
and 248-1P