| 
D8274
 | 
 | 
Rochester Electronics LLC
 | 
8274 - Multi-Protocol Serial Controller (MPSC) | 
PDF
 | 
 
 | 
| 
LD8274
 | 
 | 
Rochester Electronics LLC
 | 
LD8274 - Multi Protocol Controller, 2 Channel(s), 0.107421875MBps, HMOS, CDIP40 | 
PDF
 | 
 
 | 
| 
MD82C59A/B
 | 
 | 
Rochester Electronics LLC
 | 
82C59A - Interrupt Controller, 80C86, 80C88, 80C286, 8080, 8085, 8086, 8088, 80286, NSC800 Compatible, CMOS, CDIP28 | 
PDF
 | 
 
 | 
| 
MD82510/B
 | 
 | 
Rochester Electronics LLC
 | 
82510 - Serial I/O Controller, CMOS, CDIP28 | 
PDF
 | 
 
 | 
| 
8251A/BXA
 | 
 | 
Rochester Electronics LLC
 | 
8251 - Programmable Communication Interface, NMOS, CDIP28 | 
PDF
 | 
 
 |