U635H256 nvsram equivalent, power store 32k x 8 nvsram.
F High-performance CMOS non-
volatile static RAM 32768 x 8 bits
F 25, 35 and 45 ns Access Times F 10, 15 and 20 ns Output Enable
Access Times
F ICC = 15 mA at 200 ns Cycl.
The U635H256 has two separate modes of operation: SRAM mode and nonvolatile mode. In SRAM mode, the memory operates as an ordinary static RAM. In nonvolatile operation, data is transferred in parallel from SRA.
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