DS1743 - Y2KC Nonvolatile Timekeeping RAM

A0-A12 CE 28-pin DIP Module 34-pin PowerCap Module board (3.3V) -120 120 ns access -150 150 ns access CE2 OE WE DS1743WP-XXX 28-pin DIP Module 34-pin PowerCap Module board DS9034PCX (PowerCap) Required: blank P VCC GND DQ0-DQ7 NC RST (must be ordered separately) X1, X2 VB

• Integrated NV SRAM, real time clock, crystal, powerfail control circuit and lithium energy source Clock registers are accessed identical to the static RAM. These registers are resident in the eight top RAM locations. Century byte register Totally nonvolatile with over 10 years of operation in the absence of power BCD coded century, year, month, date, day, hours, minutes, and seconds with automatic leap year compensation valid up to the year 2100 Battery voltage level indicator flag Power-fail wr.