AB08X5-RTC datasheet(1/33 Pages) ABRACON

部件名	AB08X5-RTC

功能描述	Ultra-low supply current

PDF	33 Pages

Scroll/Zoom	100%

制造商	ABRACON [Abracon Corporation]

网页	https://abracon.com

标志

1 / 33 page

AB08X5 Real-Time Clock Family

Date of Issue: October 16, 2014

3.0 x 3.0 mm

Page 1 of 33

Abracon Drawing #453567

Revision: C

Features

• Ultra-low supply current (all at 3V):

- 14 nA with RC oscillator

- 22 nA with RC oscillator and Autocalibration

- 55 nA with crystal oscillator

• Baseline timekeeping features:

- 32.768 kHz crystal oscillator with integrated

load capacitor/resistor

- Counters for hundredths, seconds, minutes,

hours, date, month, year, century, and week-

day

- Alarm capability on all counters

- Programmable output clock generation

(32.768 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

- 256 bytes of general purpose RAM

• Power management features:

- Automatic switchover to VBAT

- External interrupt monitor

- Programmable low battery detection threshold

- Programmable analog voltage comparator

•I2C (up to 400 kHz) and 3-wire or 4-wire SPI (up

to 2 MHz) serial interfaces available

• Operating voltage 1.5-3.6 V

• Clock and RAM retention voltage 1.5-3.6 V

• Operating temperature –40 to 85 °C

• All inputs include Schmitt Triggers

• 3x3 mm QFN-16 package

Applications

• Smart cards

• Wireless sensors and tags

• Medical electronics

• Utility meters

• Data loggers

• Appliances

• Handsets

• Consumer electronics

• Communications equipment

Description

The ABRACON AB08X5 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 14 nA), these are

the first semiconductors based on

innovative

SPOTTM

(Subthreshold

Power

Optimized

Technology) CMOS platform. The AB08X5 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.

Disclaimer: AB08X5 series of devices are

based on innovative SPOT technology,

proprietary to Ambiq Micro.

类似零件编号 - AB08X5-RTC

制造商	部件名	数据表	功能描述
Abracon Corporation	AB08X5	627Kb / 33P	AB08X5 Real-Time Clock Family Revision: C

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