The Ambiq Artasie® Real-Time Clock (RTC) delivers industry-leading ultra-low-power timekeeping with power consumption as low as 14 nA. Acting as an always-on “keep-alive” source, it enables the main MCU to remain powered down while monitoring for user-configurable wake events—extending battery life in IoT, wearable, medical, and battery-powered devices.
Design Resources
The Ambiq Artasie® Real-Time Clock (RTC) provides the ultimate solution for innovative, energy-efficient devices that show what’s possible for wearables, smart hove devices, or medical applications.
Compare Artasie RTC chips side-by-side to find the ideal solution for your design.
Compare Artasie RTC chips side-by-side to find the ideal solution for your design.
Ultra-Low Supply Current
Baseline Timekeeping
Crystal (XT) Oscillator
Number of GP Outputs
Advanced Timekeeping
RC Oscillator
Calibration/Auto-calibration
Watchdog Timer (WDT)
RAM (Bytes)
Enhanced I/O and Power Management
VBAT Switch
External Interrupts
Reset Management
Power Switch and Sleep Finite State Machine (FSM)
Programmable Charging Current
Interface
Interface
Wide Operating Range
Operating Voltage
Operating Temperature
Package Options
Ordering Information
Artasie AM1815
< 14nA with RC oscillator
< 22nA with RC oscillator
and autocalibration
< 55nA with crystal oscillator
3
256
3/4-wire SPI up to 2 MHz
1.5-3.6 V
-40°C to 85°C
3 mm x 3 mm, 16-pin QFN package
(also available in wafer form)
• AM1815AQ
• AM1815SPIEVB (EVB)
Artasie AM1805
< 14nA with RC oscillator
< 22nA with RC oscillator
and autocalibration
< 55nA with crystal oscillator
4
256
I²C up to 400 kHz
1.5-3.6 V
-40°C to 85°C
3 mm x 3 mm, 16-pin QFN package
(also available in wafer form)
• AM1805AQ
• AM1805I2CEVB (EVB)
Artasie AM0815
< 14nA with RC oscillator
< 22nA with RC oscillator
and autocalibration
< 55nA with crystal oscillator
3
256
3/4-wire SPI up to 2 MHz
1.5-3.6 V
-40°C to 85°C
3 mm x 3 mm, 16-pin QFN package
• AM0815AQ
• AM1815SPIEVB (EVB)
Artasie AM0805
< 14nA with RC oscillator
< 22nA with RC oscillator
and autocalibration
< 55nA with crystal oscillator
4
256
I²C up to 400 kHz
1.5-3.6 V
-40°C to 85°C
3 mm x 3 mm, 16-pin QFN package
• AM0805AQ
• AM1805I2CEVB (EVB)
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