The Ambiq® Artasie Real-Time Clock AM0815 with Power Management combines ultra-low power consumption with a rich, advanced feature set. Built on Ambiq’s Subthreshold Power Optimized Technology (SPOT®) CMOS platform, it delivers industry-leading efficiency with power requirements as low as 14 nA.
The AM0815 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 SPI serial interface for communication with a host controller.
Browse our Design Resources which includes product briefs, datasheets, selector guides, family brochures, white papers, quick start guides, and more to help you learn more about products.
Browse our Design Resources which includes product briefs, datasheets, selector guides, family brochures, white papers, quick start guides, and more to help you learn more about products.
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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 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 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 AM1815-old
< 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-old
< 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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