DS1747 Datasheet (Dallas) - Y2K-Compliant / Nonvolatile Timekeeping RAMs

DS1747, Y2K-Compliant / Nonvolatile Timekeeping RAMs

A0 *A18 CE OE WE VCC GND DQ0 *DQ7 N.C.

RST X1, X2 VBAT * Address Input * Chip Enable * Output Enable * Write Enable * Power-Supply Input * Ground * Data Input/Output * No Connection * Power-On Reset Output (PowerCa

DS1747 Features

* Integrated NV SRAM, Real-Time Clock (RTC), Crystal, Power-Fail Control Circuit, and Lithium Energy Source Clock Registers are Accessed Identically to the Static RAM. These Registers are Resident in the Eight Top RAM Locations. Century Byte Register (Y2K Compliant) Total