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Status
Part Number	Status
DS1340	Active: In production, but some versions are no longer available. See Ordering Information.
DS1340C	Active: In production, but some versions are no longer available. See Ordering Information.

Data Sheet

FULL DATA SHEET (PDF, 240kB) Download   E-Mail

Application Notes

Application Note 58: Crystal Considerations with Dallas Real-Time Clocks (RTCs) - DS1340, DS1340 Application Note 95: Interfacing the DS1307 with an 8051-Compatible Microcontroller - DS1340 Application Note 504: Design Considerations for Dallas Semiconductor Real-Time Clocks - DS1340 Application Note 505: Lithium Coin-Cell Batteries: Predicting an Application Lifetime - DS1340 Application Note 701: Using the DS32kHz with Dallas Real-Time Clocks - DS1340 Application Note 2004: Calibrating the DS1340 Real-Time Clock - DS1340 Application Note 2142: Using the Calibration Feature of the DS1340 - DS1340 Application Note 2143: Replacing the ST M41T00 with the DS1340-33 - DS1340 Application Note 3300: Interfacing I²C Serial Real-Time Clocks to a Microcontroller - DS1340 Application Note 3572: FAQ About the Integrated-Crystal Package Option - DS1340 Application Note 3816: Selecting a Backup Source for Real-Time Clocks - DS1340, DS1340 Application Note 3921: Using a DS1307 with a PIC Microcontroller - DS1340

Design Guides

Real-Time Clocks (PDF)

Reliability Reports

Reliability Report: DS1340.pdf Request Reliability Report for: DS1340C Underwriters Laboratories (UL®) Recognized

Software/Models

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