DS1743 Datasheet - Dallas

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.

DS1743 Features

* 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 ab

DS1743_Dallas.pdf