DP8430V 31V 32V-33 microCMOS Programmable 256k 1M 4M Dynamic RAM Controller Drivers July 1993 DP8430V 31V 32V-33 microCMOS Programmable 256k 1M 4M Dynamic RAM Controller Drivers General Description The DP8430V 31V 32V dynamic RAM controllers provide a low cost single chip interface between dynamic RAM and all 8- 16- and 32-bit systems The DP8430V 31V 32V generate all the required access control signal timing for DRAMs An on-chip refresh request clock is used to automatically refresh the DRAM array Refreshes and accesses are arbitrated on chip If necessary a WAIT or DTACK output inserts wait states into system access cycles including burst mode accesses RAS low time during refreshes and RAS...

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