Labels:book | crt screen | dialog box | monitor | plant | road | sky | stairs | trade name | window OCR: \pdf\dallas\1742 -pdf Microsof Internel Explorer - X Soubor Upravy Zobrazi Prejil Oblibene Napoveda Adresa \pdf\dallas\1742.pdf Odkazy DS1742 PRELIMINARY DS1742 .: Y2KC Nonvolatile Timekeeping RAM FEATURES PIN ASSIGNMENT fail Integrated control NV circuit SRAM and real time energy clock source crystal, power A7 24 Vcc lithium 23 A8 Clock registers are accessed identical to the static A5 22 A9 RAM These registers are resident in the eight top WE RAM locations 20 OE Century byte register A10 Totally nonvolatile with over 10 years of operation in CF the absence of power DQ7 BCD eepod century year, month date day, hours DQO DO6 minutes and seconds with automatic leap year com DQ DQ5 pensation valid up to the year 2100 DQ2 DO4 Battery voltage level indicator flag GND DQ3 power Power- -fail writ ...
