DS1344, DS1343 - (DS1343 / DS1344) Low-Current SPI/3-Wire RTCs

Name: DS1344
SKU: DS1344-698733

Maxim Integrated Products

📥 Download Datasheet

DS1344 Datasheet Preview — This datasheet PDF includes multiple part numbers: DS1344, DS1343. Please refer to the document for exact specifications by model.

Datasheet Details

Part number	DS1344, DS1343
Manufacturer	Maxim Integrated Products
File Size	1.26 MB
Description	(DS1343 / DS1344) Low-Current SPI/3-Wire RTCs
Datasheet	DS1343_MaximIntegratedProducts.pdf
Note	This datasheet PDF includes multiple part numbers: DS1344, DS1343. Please refer to the document for exact specifications by model.

DS1344 Product details

Description

The DS1343/DS1344 low-current real-time clocks (RTCs) are timekeeping devices that provide an extremely low standby current, permitting longer life from a backup supply source.

Features

S Low Timekeeping Current of 250nA (typ) S Compatible with Crystal ESR Up to 100kI S Versions Available to Support Either 6pF or 12.5pF Crystals S RTC Counts Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap Year Compensation Valid Through 2099 S Power-Fail and Switch Circuitry S Three Operating Voltages 1.8V ±5% 3.0V±10% 3.3V ±10% S Trickle-Charge Capability S Maintain Time Down to 1.15V (typ) S Support Motorola SPI Modes 1 and 3, or Standard 3-Wire Interface S Burst.

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Other Datasheets by Maxim Integrated Products

DS1340 - I2C RTC
DS1341 - (DS1341 / DS1342) Low-Current I2C RTCs
DS1342 - (DS1341 / DS1342) Low-Current I2C RTCs
DS1343 - (DS1343 / DS1344) Low-Current SPI/3-Wire RTCs
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Published: May 25, 2011 |