DS9034PCX Datasheet – PowerCap with Crystal ( PDF )

Part Number: DS9034PCX

Function: PowerCap with Crystal

Manufacturer: Maxim Integrated


DS9034PCX datasheet



The DS9034PCX PowerCap is designed to be a lithium power source for nonvolatile timekeeping RAMs in Dallas Semiconductor’s directly surfacemountable PowerCap Module (PCM) package. After a PowerCap module board has been soldered in
place and cleaned, the DS9034PCX PowerCap is placed on top of the PCM board to form a complete PowerCap module package. The PowerCap is keyed to prevent incorrect attachment.


1. Integrated NV SRAM, Real-Time Clock, Crystal, Power-Fail Control Circuit and
Lithium Energy Source

2. Clock Registers are Accessed Identically to the Static RAM; These Registers are Resident in the Eight Top RAM Locations

3. Century Byte Register

4. Totally Nonvolatile with Over 10 Years of Operation in the Absence of Power

5. BCD Coded Century, Year, Month, Date, Day, Hours, Minutes, and Seconds with
Automatic Leap Year Compensation Valid Up to the year 2100

6. Battery Voltage Level Indicator Flag Power-Fail Write Protection Allows for ±10%

7. VCC Power Supply Tolerance

Other data sheets are available within the file:

DS9034, DS9034I-PCX+, DS9034PCX+, DS9034PCXI


DS9034PCX Datasheet PDF Download

DS9034PCX pdf