1 |
UM8250 |
Asynchronous Communication Element |
UMC |
|
2 |
UM8250B |
Asynchronous Communication Element |
UMC Corporation |
|
3 |
UM8253 |
Programmable Interval Timer |
UMC |
|
4 |
UM8253-5 |
Programmable Interval Timer |
UMC |
|
5 |
UM8254 |
Programmable Interval Timer |
UMC |
|
6 |
UM8259A |
Programmable Interrupt Controller |
UMC |
|
7 |
UM8259A-2 |
PROGRAMMABLE INTERRUPT CONTROLLER |
UMC Corporation |
|