No. |
Part Name |
Description |
Manufacturer |
1 |
UPD8251A |
PROGRAMMABLE COMMUNICATIONS INTERFACE |
NEC |
2 |
UPD8251AC |
3/5 MHz; -0.5 to +7.0V; programmable communications inteface (USART) |
NEC |
3 |
UPD8251AF |
PROGRAMMABLE COMMUNICATIONS INTERFACE |
NEC |
4 |
UPD8251AFC |
3/5 MHz; -0.5 to +7.0V; programmable communications inteface (USART) |
NEC |
5 |
UPD8253 |
PROGRAMMABLE INTERVAL TIMER |
NEC |
6 |
UPD8253C-2 |
5MHz; V(cc): -0.5 to +7V; programmable interval times |
NEC |
7 |
UPD8253C-5 |
4MHz; V(cc): -0.5 to +7V; programmable interval times |
NEC |
8 |
UPD8255A |
Programmable Peripheral Interface |
NEC |
9 |
UPD8255AC-2 |
5MHz; V(cc): -0.5 to +7V; programmable peripheral interface |
NEC |
10 |
UPD8255AC-5 |
4MHz; V(cc): -0.5 to +7V; programmable peripheral interface |
NEC |
11 |
UPD8257 |
Programmable DMA Controller |
NEC |
12 |
UPD8259AC |
Programmable Interrupt Controller |
NEC |
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