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DS3231S

更新时间： 2024-11-08 21:55:07
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达拉斯 - DALLAS 石英晶振
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19页 361K
描述
Extremely Accurate I2C-Integrated RTC/TXO/Crystal

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DS3231S 数据手册

 浏览型号DS3231S的Datasheet PDF文件第2页浏览型号DS3231S的Datasheet PDF文件第3页浏览型号DS3231S的Datasheet PDF文件第4页浏览型号DS3231S的Datasheet PDF文件第5页浏览型号DS3231S的Datasheet PDF文件第6页浏览型号DS3231S的Datasheet PDF文件第7页 
Rev 2; 6/05  
2
Extremely Accurate I C-Integrated  
RTC/TCXO/Crystal  
General Description  
Features  
2
♦ Accuracy ±±22p ꢀrꢁp ꢂ0° ꢃꢁ ꢄ+ꢂ0°  
The DS3231 is a low-cost, extremely accurate I C real-  
time clock (RTC) with an integrated temperature-  
compensated crystal oscillator (TCXO) and crystal. The  
device incorporates a battery input, and maintains accu-  
rate timekeeping when main power to the device is inter-  
rupted. The integration of the crystal resonator enhances  
the long-term accuracy of the device as well as reduces  
the piece-part count in a manufacturing line. The DS3231  
is available in commercial and industrial temperature  
ranges, and is offered in a 16-pin, 300-mil SO package.  
♦ Accuracy ±ꢅ3.22p ꢀrꢁp ꢆ+ꢂ0° ꢃꢁ ꢄꢇ.0°  
♦ Baꢃꢃery Backu2 In2uꢃ ꢀꢁr °ꢁnꢃinuꢁus  
Tipekee2ing  
♦ O2eraꢃing Tep2eraꢃure Ranges  
°ꢁppercial: ꢂ0° ꢃꢁ ꢄ7ꢂ0°  
Indusꢃrial: ꢆ+ꢂ0° ꢃꢁ ꢄꢇ.0°  
♦ LꢁwꢆPꢁwer °ꢁnsup2ꢃiꢁn  
♦ RealꢆTipe °lꢁck °ꢁunꢃs Secꢁnds, Minuꢃes,  
Hꢁurs, Day, Daꢃe, Mꢁnꢃh, and Year wiꢃh Lea2 Year  
°ꢁp2ensaꢃiꢁn Valid U2 ꢃꢁ ±1ꢂꢂ  
The RTC maintains seconds, minutes, hours, day, date,  
month, and year information. The date at the end of the  
month is automatically adjusted for months with fewer  
than 31 days, including corrections for leap year. The  
clock operates in either the 24-hour or 12-hour format  
with an AM/PM indicator. Two programmable time-of-  
day alarms and a programmable square-wave output  
are provided. Address and data are transferred serially  
through an I2C bidirectional bus.  
♦ Twꢁ TipeꢆꢁꢀꢆDay Alarps  
♦ Prꢁgrappable SquareꢆWave Ouꢃ2uꢃ  
♦ Fasꢃ (+ꢂꢂkHz) I±° Inꢃerꢀace  
♦ ꢅ3ꢅV O2eraꢃiꢁn  
♦ Digiꢃal Tep2 Sensꢁr Ouꢃ2uꢃ: ±ꢅ0° Accuracy  
♦ Regisꢃer ꢀꢁr Aging Trip  
♦ RST In2uꢃ/Ouꢃ2uꢃ  
♦ UL Recꢁgnized  
A precision temperature-compensated voltage refer-  
ence and comparator circuit monitors the status of V  
CC  
Ordering Information  
to detect power failures, to provide a reset output, and  
to automatically switch to the backup supply when nec-  
essary. Additionally, the RST pin is monitored as a  
pushbutton input for generating a reset externally.  
TOP  
MARK  
PART  
TEMP RANGE PINꢆPA°KAGE  
DS3231S  
0°C to +70°C 16 SO  
-40°C to +85°C 16 SO  
0°C to +70°C 16 SO  
-40°C to +85°C 16 SO  
DS3231  
DS3231N  
DS3231+  
DS3231N+  
Applications  
DS3231SN  
DS3231S+  
DS3231SN+  
Servers  
Utility Power Meters  
Telematics  
GPS  
+Denotes lead-free  
Pin Configuration appears at end of data sheet.  
Typical Operating Circuit  
V
V
CC  
CC  
R
PU  
= t /C  
R B  
V
CC  
R
R
PU  
PU  
V
CC  
SCL  
INT/SQW  
32kHz  
CPU  
SDA  
RST  
DS3231  
V
BAT  
PUSHBUTTON  
RESET  
N.C.  
N.C.  
N.C.  
N.C.  
N.C.  
N.C.  
N.C.  
N.C.  
GND  
2
Purchase of I C components from Maxim Integrated Products, Inc., or one of its sublicensed Associated Companies, conveys a  
2
2
2
license under the Philips I C Patent Rights to use these components in an I C system, provided that the system conforms to the I C  
Standard Specification as defined by Philips.  
______________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
1234567...19

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与DS3231S相关器件

型号 品牌 获取价格 描述 数据表
DS3231S- MAXIM

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 		Extremely Accurate I2C-Integrated
DS3231S# MAXIM

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 		暂无描述
DS3231S#T&R MAXIM

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 		Real Time Clock, 1 Timer(s), CMOS, PDSO16, 0.300 INCH, ROHS COMPLIANT, SOIC-16
DS3231S#-W MAXIM

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 		Timer or RTC, Non-Volatile, CMOS, PDSO16,
DS3231S/T&R MAXIM

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 		暂无描述
DS3231S+ DALLAS

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 		Extremely Accurate I2C-Integrated RTC/TXO/Crystal
DS3231S+TR MAXIM

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 		Timer or RTC, Non-Volatile, 1 Timer(s), CMOS, PDSO16, 0.300 INCH, ROHS COMPLIANT, SOIC-16
DS3231S-C14 MAXIM

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 		Real Time Clock, 1 Timer(s), CMOS, PDSO16, 0.300 INCH, SOIC-16
DS3231S-C15/T&R MAXIM

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 		Real Time Clock, 1 Timer(s), CMOS, PDSO16, 0.300 INCH, SOIC-16
DS3231SN DALLAS

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 		Extremely Accurate I2C-Integrated RTC/TXO/Crystal

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