MSM514262 type equivalent, dram / fast page mode type.
the block write and flash write functions on the RAM port and a split data transfer capability on the SAM port. The SAM port requires no refresh operation because it uses.
The MSM514262 is an 1-Mbit CMOS multiport DRAM composed of a 262,144-word by 4-bit dynamic RAM and a 512-word by 4-bit SAM. Its RAM and SAM operate independently and asynchronously. The MSM514262 supports three types of operation : random access to R.
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