The Ambiq® real-time clock is the industry leader in power management, functioning as an extremely low power "keep-alive" source for the system and bypassing the need for the main MCU to power down the device to conserve power. It monitors the system while the components are powered off for a user-configurable power-up event while consuming only nanoamps of power.
Glossary
Apollo3 Family SoCs are the ultimate solution for innovative, energy-efficient devices that show what’s possible for wearables, smart hove devices, or medical applications.
Select chips from the comparison list in the table and find the perfect option for you
Select chips from the comparison list in the table and find the perfect option for you
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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