1024k NV SRAM with Phantom Clock
4096k Nonvolatile SRAM
RTCs with Constant-Voltage Trickle Charger
+5V, Fail-Safe, 40Mbps, Profibus RS-485/RS-422 Transceivers
Complete, Isolated, 3.3V RS-485/RS-422 Data Interface
3.3V Powered, 卤15kV ESD-Protected, 12Mbps, Slew-Rate-Limited...