
NEC D7220AD
8Consensus
8/10 · Very goodAverage expert rating
1Evaluations
The D7220AD graphics chip in NMOS technology, was mounted on some DEC stations, including the DEC Rainbow 100, NCR DMV. Features : Microprocessor Interface DMA transfer with 8257 or 8237 controllers FIFO Command Buffering Dispaly Memory Interface : Up to 256k words of 16 bits Read-Modify-Write (RMW) Display ; emory cicles in under 800ns Dynamic...