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DS3231M - Maxim Integrated

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Kynix Teil #: KY20-DS3231M

Hersteller Teil #: DS3231M

Produktkategorie: Clock/Timing - Real Time Clocks

Hersteller: Maxim Integrated

Beschreibung: Real Time Clock Serial 16-Pin SOIC W

Verpackung: 16-SOIC (0.295, 7.50mm Width)

Menge:

Bleifrei-Status / RoHS-Status: Bleifrei / RoHS-konform

Vorlaufzeit: 3(168 Hours)

Datenblatt: datasheet

DS3231M Datenblatt

Attribute

Attribute Value

Factory Lead Time

6 Weeks

Mount

Surface Mount

Mounting Type

Surface Mount

Package / Case

16-SOIC (0.295, 7.50mm Width)

Number of Pins

Operating Temperature

-40°C~85°C

Packaging

Tube

Published

2010

Pbfree Code

yes

Part Status

Active

Moisture Sensitivity Level (MSL)

3 (168 Hours)

Number of Terminations

ECCN Code

EAR99

Type

Clock/Calendar

HTS Code

8542.39.00.01

Voltage - Supply

2.3V~5.5V

Terminal Position

DUAL

Supply Voltage

3.3V

Terminal Pitch

1.27mm

Base Part Number

DS3231

Pin Count

Operating Supply Voltage

3.3V

Interface

I2C, 2-Wire Serial

Clock Frequency

0.4MHz

Logic Function

Clock

Number of Timers

Time Format

HH:MM:SS (12/24 hr)

Date Format

YY-MM-DD-dd

Current - Timekeeping (Max)

130μA~200μA @ 3.63V~5.5V

Time-Min

SECONDS

Interrupt Capability

Voltage - Supply, Battery

2.3V~5.5V

Volatile

Information Access Method

I2C

Features

Alarm, Leap Year, Square Wave Output

Length

10.3mm

Height Seated (Max)

2.65mm

Width

7.5mm

Radiation Hardening

RoHS Status

ROHS3 Compliant

Teilenummer	Paket	Beschreibung
DS3231M	16-SOIC (0.295, 7.50mm Width)	Real Time Clock Serial 16-Pin SOIC W
DS3231S#	16-SOIC (0.295, 7.50mm Width)	IC RTC CLK/CALENDAR I2C 16-SOIC
DS3231M TRL	16-SOIC (0.295, 7.50mm Width)	IC REAL TIME CLOCK I2C 16SOIC
DS3231SN#	16-SOIC (0.295, 7.50mm Width)	RTC, TCXO, CRYSTAL, 3.3V, 16SOIC
1339C-31SRI	SOIC	Real Time Clock Serial 16-Pin SOIC Tube

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How does a real time clock work?

An RTC maintains its clock by counting the cycles of an oscillator – usually an external 32.768kHz crystal oscillator circuit, an internal capacitor based oscillator, or even an embedded quartz crystal. Some can detect transitions and count the periodicity of an input that may be connected.

Where is the real time clock?

RTCs can be found running in personal computers, embedded systems and servers, and are present in any electronic device that may require accurate time keeping. Being able to still function even when the computer is powered down through a battery or independently from the system's main power is fundamental.

How accurate are real time clocks?

Typical crystal RTC accuracy specifications are from ±100 to ±20 parts per million (8.6 to 1.7 seconds per day), but temperature-compensated RTC ICs are available accurate to less than 5 parts per million. In practical terms, this is good enough to perform celestial navigation, the classic task of a chronometer.