Hier ein paar Angaben zum Bauteil:
Comment: 128 x 8 bit static RAM.
2 bidirectional 8-bit I/O ports.
8-bit bidirectional data bus.
Programmable interval timer.
Interrupt timer.
6532 is a 1 MHz version, UM6532A is a 2 MHz version.
Package: 40-pin DIP
Manufacturers: Synertek, UMC
Synertek SYP6532
UMC UM6532, UM6532A
Gruß chrispit