深圳市芯合科技有限公司

Shenzhen Xinhe Technology Co. , Ltd.

服務熱線：

李先生：18675589768

竇先生：13751079809

Features02

Proprietary Calibration Algorithm

A proprietary calibration algorithm to digitally tune the RC and XT oscillator frequency with accuracy as low as 2 ppm.

3 Distinct Feature Groups

3 distinct feature groups: 1) baseline timekeeping; 2) advanced timekeeping and 3) power management.

Reduce Sleep Current

Integrates a power switch with ~1 Ω impedance to cut-off ground current on the host MCU and reduce sleep current to <1 nA.

Low Power Requirements

Power requirements significantly lower than other RTCs.

Supports Multiple Modes

RC oscillator and Autocalibration modes are supported.

CMOS Platform

1st semiconductors based on Ambiq’s SPOT CMOS platform.

Companion for Host Processors

Serves as a companion part for host processors.

Highlighted Products03

Artasie AM0815

With power requirements significantly lower than any other industry Real Time Clock (RTC), as low as 14 nA, AM0815 provides a ground-breaking combination of ultra-low power coupled with a highly sophisticated feature set.

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Full-Function RTC

Serves as a full-function RTC for host processors including microcontrollers (MCU) and System-on-Chip (SoC).

Embedded Power Management

Embedded power management features can operate as a backup device in both line-powered and battery-powered systems.

Watchdog Timer

Integrated with 256 bytes of general-purpose RAM and a Watchdog timer with hardware reset.

Artasie AM1815

Relying on the on-chip oscillators for minimum power consumption, the AM1815 comes with full RTC functions including battery backup and programmable counters, alarms for timer and watchdog functions, and an SPI serial interface for communication with a host controller.

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Companion for Host Processors

Serves as a companion part for host processors including microcontrollers, radios, and digital signal processor.

Embedded Power Management

Embedded power management features can operate as a backup device in both line-powered and battery-powered systems.

Watchdog Timer

Integrated with 256 bytes of general-purpose RAM and a Watchdog timer with hardware reset.

RTC Products Overview04


	AM0805	AM0815	AM1805	AM1815
Ultra-Low Supply Current	< 14nA with RC oscillator < 22nA with RC oscillator and autocalibration < 55nA with crystal oscillator	< 14nA with RC oscillator < 22nA with RC oscillator and autocalibration < 55nA with crystal oscillator	< 14nA with RC oscillator < 22nA with RC oscillator and autocalibration < 55nA with crystal oscillator	< 14nA with RC oscillator < 22nA with RC oscillator and autocalibration < 55nA with crystal oscillator
Baseline Timekeeping
Crystal (XT) Oscillator
Number of GP Outputs	4	3	4	3
Advanced Timekeeping
RC Oscillator
Calibration/Auto-calibration
Watchdog timer (WDT)
RAM (Bytes)	256	256	256	256
Enhanced I/O and Power Management
VBAT Switch
External Interrupts
Reset Management	-	-
Power Switch and Sleep Finite State Machine (FSM)	-	-
Programmable Charging Current	-	-
Interface	I2C up to 400kHz	3/4-wire SPI up to 2MHZ	I2C up to 400kHz	3/4-wire SPI up to 2MHZ
Wide Operating Range
Operating Voltage	1.5-3.6V	1.5-3.6V	1.5-3.6V	1.5-3.6V
Operating Temperature	-40°C to 85°C	-40°C to 85°C	-40°C to 85°C	-40°C to 85°C
Package Option	3 mm x 3 mm 16-pin QFN package	3 mm x 3 mm 16-pin QFN package	3 mm x 3 mm 16-pin QFN package (also available in wafer form)	3 mm x 3 mm 16-pin QFN package (also available in wafer form)
Ordering Information	? AM0805AQ ? AM1805I2CEVB (EVB)	? AM0815AQ ? AM1815SPIEVB (EVB)	? AM1805AQ ? AM1805I2CEVB (EVB)	? AM1815AQ ? AM1815SPIEVB (EVB)

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RTC01

Features02

Proprietary Calibration Algorithm

3 Distinct Feature Groups

Reduce Sleep Current

Low Power Requirements

Supports Multiple Modes

CMOS Platform

Companion for Host Processors

Highlighted Products03

RTC Products Overview04