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Artasie Real-Time Clock - AM0805 01

Artasie RTC AM0805 AM0805AQ (Back)

The Ambiq® Artasie Real-Time Clock AM0805 provides a ground-breaking combination of ultra-low power coupled with a highly sophisticated feature set. With power requirements significantly lower than any other industry RTC (as low as 14 nA), these are the first semiconductors based on Ambiq’s innovative SPOT® (Subthreshold Power Optimized Technology) CMOS platform.

Artasie RTC AM0805 AM0805AQ Drawing
Artasie RTC AM0805 AM0805AQ (Back)

Detailed Functional Block Diagram for Ambiq Artasie RTC - AM0805

Detailed Functional Block Diagram for Ambiq Artasie RTC - AM0805

More Information

The AM0805 includes on-chip oscillators to provide minimum power consumption, full RTC functions including battery backup and programmable counters and alarms for timer and watchdog functions, and a I2C serial interface for communication with a host controller.

Pin Configuration Diagram for Ambiq Artasie RTC - AM0805

Pin Configuration Diagram for Ambiq Artasie RTC - AM0805
Specifications

Ultra-Low Supply Current

14 nA with RC oscillator

22 nA with RC oscillator and Autocalibration

55 nA with crystal oscillator

Baseline Timekeeping

4x GPIO Outputs

32.768 KHz crystal oscillator with integrated load capacitor/resistor

Counters for hundredths, seconds, minutes, hours, date, month, year, century, and weekday

Alarm capability on all counters

Programmable output clock generation (32.768 KHz to 1 year)

Countdown timer with repeat function

Automatic leap year calculation

Artasie AM0805<br>AM0805AQ

Artasie AM0805
AM0805AQ

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Advanced Timekeeping

Advanced crystal calibration to ± 2 ppm

Advanced RC calibration to ± 16 ppm

Automatic calibration of RC oscillator to crystal oscillator

Watchdog timer with hardware reset

256 bytes of general purpose RAM

Power Management

Automatic switchover to Voltage of the Battery (VBAT)

External interrupt monitor

Programmable low battery detection threshold

Programmable analog voltage comparator

Ultra-Low Power Flexible Serial Peripherals

I2C (up to 400 kHz) serial interface

Wide Operating Range

Operating Voltage: 1.5-3.6 V,

Clock and RAM Retention Voltage: 1.5-3.6 V

Operating Temperature: -40°C to 85°C

All inputs include Schmitt Triggers

Applications

Smart Cards

Wireless Sensors and Tags

Medical Electronics

Utility Meters

Data Loggers

Appliances

Handsets

Consumer Electronics

Consumer Equipment

Package Option

3 mm x 3 mm 16-pin QFN package

Ordering Information

AM0805AQ

AM1805I2CEVB (EVB)

Typical Application Circuit for AM0805
Typical Application Circuit for AM0805

*Total battery series impedance = 1.5k ohms, which may require an external resistor

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Documents 04

Where To Buy

USA

TOP-electronics USA

China and Hong Kong

India

KAGA FEI ELECTRONICS PACIFIC ASIA LIMITED

Japan

KAGA FEI Co., Ltd

IIDA ELECTRONICS (TSUSHO) Co., Ltd

Korea

Sechang Semicon Co., Ltd.

Southeast Asia

IID A ELECTRONICS(TSUSHO) Co., Ltd

KAGA FEI ELECTRONICS PACIFIC ASIA LIMITED Singapore Branch

Taiwan

Latin America

TOP-electronics USA

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