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AB1805-T3 +BOM

Clock with real time capability, I2C interface, 16-QFN package, 3.0x3.0mm size

Hersteller:

ABRACON
Herstellerteil #:

AB1805-T3
Datenblatt:

AB1805-T3 Datenblatt (PDF)
Mounting Style:

SMD/SMT
RTC Bus Interface:

I2C, Serial
Date Format:

YY-MM-DD-dd
Time Format:

HH:MM:SS:hh
EDA/CAD Modelle:

Fordern Sie kostenlose CAD-Modelle für an AB1805-T3

Email: [email protected]

Skype: live:.cid.ab6b29428937b76

Tel: +852 95804164

AB1805-T3 Allgemeine Beschreibung

Abracon LLC's AB1805-T3 is a top-of-the-line time-of-day clock/calendar IC that operates at a supply voltage of 1.8V. It is specifically designed for use in smart meters, appliances, and other electronic devices that require accurate timekeeping functionality. The built-in temperature-compensated crystal oscillator (TCXO) ensures precise timekeeping, while the programmable alarm with selectable duration and battery backup function adds to its reliability. The AB1805-T3 also features an I2C interface for easy integration with microcontrollers and other peripheral devices, making it a versatile and convenient choice for various applications. Whether you need timekeeping in 24-hour or 12-hour formats, or date and month functions, this IC has the features to meet your requirements

Hauptmerkmale

Sub-threshold Power Optimized Technology by Ambiq
Micro
Ultra-low supply current:
- <15 nA with RC oscillator
- <20 nA with RC oscillator and autocalibration
- <55 nA with crystal oscillator
Baseline timekeeping features:
- 32 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 kHz to
1/year)
- Countdown timer with repeat function
- Automatic leap year calculation
Advanced timekeeping features:
- Integrated power optimized RC oscillator
- 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
- Up to 256 bytes of general purpose RAM
Power management features:
- Automatic switchover to VBAT
- External interrupt monitor
- Programmable brown out detection
- Programmable analog voltage comparator
I2C (up to 400 kHz) or SPI (up to 2 MHz) serial interface
- Supports 3-wire and 4-wire SPI
Operating Voltage 1.7-3.6 V
Clock and RAM retention voltage 1.5-3.6 V
Operating temperature –40 to 85 °C
All inputs are Schmitt trigger
3 mm x 3 mm QFN-16 package

Spezifikationen

Product Category	Real Time Clock	Mounting Style	SMD/SMT
RTC Bus Interface	I2C, Serial	Date Format	YY-MM-DD-dd
Time Format	HH:MM:SS:hh	Battery Backup Switching	Backup Switching
RTC Memory Size	256 B	Supply Voltage - Max	3.6 V
Supply Voltage - Min	1.7 V	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C	Function	Alarm, Calendar, Clock
Product Type	Real Time Clocks	Series	AB18x5
Factory Pack Quantity	3000	Subcategory	Clock & Timer ICs
Unit Weight	0.002014 oz	Pbfree Code	Yes
Part Life Cycle Code	Active	Pin Count	16
Reach Compliance Code	compliant	ECCN Code	EAR99
HTS Code	8542.39.00.01	Clock Frequency-Max	0.032 MHz
Information Access Method	I2C; SERIAL, 4-WIRE/3-WIRE	Interrupt Capability	Y
JESD-30 Code	S-XQCC-N16	JESD-609 Code	e4
Length	3 mm	Moisture Sensitivity Level	1
Number of Terminals	16	Number of Timers	1
Operating Temperature-Max	85 °C	Operating Temperature-Min	-40 °C
Peak Reflow Temperature (Cel)	260	Power Supplies	1.8/3.3 V
Qualification Status	Not Qualified	Seated Height-Max	0.9 mm
Supply Voltage-Max	3.6 V	Supply Voltage-Min	1.5 V
Supply Voltage-Nom	1.8 V	Surface Mount	YES
Technology	CMOS	Temperature Grade	INDUSTRIAL
Terminal Finish	NICKEL PALLADIUM GOLD	Terminal Form	NO LEAD
Terminal Pitch	0.5 mm	Terminal Position	QUAD
Time-Min	SECONDS	Time@Peak Reflow Temperature-Max (s)	10
Volatile	NO	Width	3 mm
uPs/uCs/Peripheral ICs Type	TIMER, REAL TIME CLOCK

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