Product Summary

The DS9034PCX+ is a full-function, year-2000-compliant (Y2KC) real-time clock/calendar (RTC) with an RTC alarm, watchdog timer, power-on reset, battery monitor, and 8k x 8 nonvolatile static RAM. User access to all registers within the device is accomplished with a byte-wide interface. The DS9034PCX+ registers contain century, year, month, date, day, hours, minutes, and seconds data in 24-hour BCD format. Corrections for day of month and leap year are made automatically.

Parametrics

DS9034PCX+ absolute maxing ratings: (1)Voltage Range on Any Pin Relative to Ground: -0.3V to +6.0V; (2)Storage Temperature Range EDIP: -40℃ to +85℃; PowerCap: -55℃ to +125℃v; (3)Lead Temperature (soldering, 10s): +260℃; (4)Soldering Temperature (reflow, PowerCap): +260℃.

Features

DS9034PCX+ features: (1)Integrated NV SRAM, RTC, 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 16 Top RAM Locations; (3)Totally Nonvolatile with Over 10 Years of Operation in the Absence of Power; (4)Precision Power-On Reset; (5)Programmable Watchdog Timer and RTC Alarm; (6)BCD-Coded Year, Month, Date, Day, Hours, Minutes, and Seconds with Automatic Leap Year Compensation Valid Up to the Year 2100; (7)Battery Voltage Level Indicator Flag; (8)Power-Fail Write Protection Allows for ±10% VCC Power-Supply Tolerance; (9)Lithium Energy Source is Electrically Disconnected to Retain Freshness Until Power is Applied for the First Time.

Diagrams

DS9034PCX+ block diagram

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DS9034PCX+
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