美信电子推出非易失时钟RAM-DS1642，推出，美信，RAM，DS1642full，nonvolatile，The DS1642 is a 2k x 8 nonvolatile static RAM and a full-function real-time clock (RTC)， both of which are accessible in a bytewide format. The nonvolatile time keeping RAM is pin and function equival...
2010-05-29 00:00:00百科推出 美信 RAM
