Datasheet > AB0805-T3

AB0805-T3

更新时间： 2024-11-23 12:51:31

品牌	Logo	应用领域
ABRACON		时钟
页数	文件大小	规格书
12页	1447K
描述
The Abracon Corporation AB08XX Real Time Clock family provides a groundbreaking combination of ultra-low power coupled with a highly sophisticated feature set.

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AB0805-T3 数据手册

AB08XX Series

Real Time Clock Module

ESD Sensitive

Date of Issue: Sept. 10^th, 2012

3.0 x 3.0 mm

Page (1) of (12)

Revision #: Initial Release

Abracon Drawing #

AB08XX Features



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

Applications



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)



Smart cards

Wireless sensors and tags

Medical electronics

Utility meters

Data loggers

Appliances

Handsets

Consumer electronics

Communications devices

- Countdown timer with repeat function

- Automatic leap year calculation

Description



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

The Abracon Corporation AB08XX Real Time Clock family

provides a groundbreaking combination of ultra-low power

coupled with a highly sophisticated feature set. With power

requirements significantly lower than any other industry RTC

(as low as 15nA), these are the first semiconductor products

based on Abracon Corporation’s innovative SPOT (Sub-

threshold Power Optimized Technology by Ambiq Micro)

CMOS platform. The AB08XX 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 either an I²C or

SPI serial interface for communication with a host controller.



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

12 3 4 5 6 7...12

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AB0805-T3 替代型号

型号	品牌	替代类型	描述	数据表
AB1815-T3	ABRACON	类似代替	The Abracon Corporation AB18XX Real Time Clock with Power Management family provides a gro
AB0815-T3	ABRACON	类似代替	The Abracon Corporation AB08XX Real Time Clock family provides a groundbreaking combinatio
AB0804-T3	ABRACON	类似代替	The Abracon Corporation AB08XX Real Time Clock family provides a groundbreaking combinatio

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