memory products - Al Kossow's Bitsavers

MK48T02112(B)-12/15/20/25FIGURE 12. CURRENT CONSUMPTION LIFE OVER TEMPERATURE WITH 0% Vcc DUTY CYCLEo 20 40 60 80DEGREES CELSIUSAPPLICATION NOTE:BINARY TO BCD, AND BCD TO BINARYCONVERSIONFIGURE 13. EQUIVALENT OUTPUT LOAD DIAGRAMThe MK48T02/12 presents and accepts TIMEKEEP­ER data in BCD format. Conversion to or from otherformats can be executed in a single line of code,as the following example BASIC program demonstrates.10 REM BINARY TO BCD20 DEF FNA (X)=INT (X/10)*16+X·INT(X/10)*1030 REM BCD TO BINARY40 DEF FNB (X)=INT (X/16)*10+(XAND15)AC TEST CONDITIONSInput Levels:Transition Times:Input and Output TimingReference Levels0.6 V to 2.4 V5 ns0.8 V or 2.2 VDEVICEUNDERTEST+sv~~ 1.8Kn,,100 pF~ 1.0 Kn?(INCLUDING SCOPE AND JIG)-=-~12114310