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DS3231SN-

更新时间： 2024-01-13 17:56:00
品牌 Logo 应用领域
美信 - MAXIM /
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20页 363K
描述
Extremely Accurate I2C-Integrated

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DS3231SN- 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Obsolete包装说明：SOP, SOP16,.4
Reach Compliance Code：compliant风险等级：5.83
Is Samacsys：N信息访问方法：SERIAL, 2 WIRE/I2C
中断能力：YJESD-30 代码：R-PDSO-G16
JESD-609代码：e3端子数量：16
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP16,.4封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：NOT SPECIFIED
电源：3.3 V认证状态：Not Qualified
子类别：Timer or RTC标称供电电压：3.3 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL最短时间：SECONDS
处于峰值回流温度下的最长时间：NOT SPECIFIED易失性：NO
Base Number Matches：1

DS3231SN- 数据手册

 浏览型号DS3231SN-的Datasheet PDF文件第2页浏览型号DS3231SN-的Datasheet PDF文件第3页浏览型号DS3231SN-的Datasheet PDF文件第4页浏览型号DS3231SN-的Datasheet PDF文件第5页浏览型号DS3231SN-的Datasheet PDF文件第6页浏览型号DS3231SN-的Datasheet PDF文件第7页 
19-5170; Rev 7; 3/10  
2
Extremely Accurate I C-Integrated  
RTC/TCXO/Crystal  
DS231  
General Description  
Features  
2
♦ Accuracy 2ppm from 0°C to +40°C  
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 3.5ppm from -40°C to +85°C  
♦ Battery Backup Input for Continuous  
Timekeeping  
♦ Operating Temperature Ranges  
Commercial: 0°C to +70°C  
Industrial: -40°C to +85°C  
♦ Low-Power Consumption  
♦ Real-Time Clock Counts Seconds, Minutes,  
Hours, Day, Date, Month, and Year with Leap Year  
Compensation Valid Up to 2100  
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  
♦ Two Time-of-Day Alarms  
♦ Programmable Square-Wave Output  
2
♦ Fast (400kHz) I C Interface  
♦ 3.3V Operation  
♦ Digital Temp Sensor Output: 3°C Accuracy  
♦ Register for Aging Trim  
♦ RST Output/Pushbutton Reset Debounce Input  
2
through an I C bidirectional bus.  
®
♦ Underwriters Laboratories (UL ) Recognized  
A precision temperature-compensated voltage refer-  
ence and comparator circuit monitors the status of V  
CC  
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 µP reset.  
Ordering Information  
TOP  
PART  
TEMP RANGE PIN-PACKAGE  
MARK  
DS3231  
DS3231N  
DS3231S#  
0°C to +70°C 16 SO  
DS3231SN# -40°C to +85°C 16 SO  
Applications  
Utility Power Meters  
#Denotes a RoHS-compliant device that may include lead that  
is exempt under RoHS requirements. The lead finish is JESD97  
category e3, and is compatible with both lead-based and lead-  
free soldering processes. A "#" anywhere on the top mark  
denotes a RoHS-compliant device.  
Servers  
Telematics  
GPS  
Pin Configuration appears at end of data sheet.  
Typical Operating Circuit  
V
CC  
V
CC  
R
PU  
= t /C  
R B  
V
CC  
R
R
PU  
PU  
V
CC  
SCL  
SDA  
INT/SQW  
32kHz  
SCL  
SDA  
μP  
V
BAT  
RST  
RST  
DS3231  
PUSHBUTTON  
RESET  
N.C.  
N.C.  
N.C.  
N.C.  
N.C.  
N.C.  
N.C.  
N.C.  
GND  
UL is a registered trademark of Underwriters Laboratories, Inc.  
______________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
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DS3231SN# MAXIM

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 		Real Time Clock, Non-Volatile, 1 Timer(s), CMOS, PDSO16, 0.300 INCH, SOIC-16
DS3231SN#T&R MAXIM

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 		Real Time Clock, Non-Volatile, 1 Timer(s), CMOS, PDSO16, 0.300 INCH, ROHS COMPLIANT, SOIC-
DS3231SN/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
DS3231SN+TR MAXIM

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 		Timer or RTC, Non-Volatile, 1 Timer(s), CMOS, PDSO16, 0.300 INCH, ROHS COMPLIANT, SOIC-16
DS3232 MAXIM

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 		Extremely Accurate I2C RTC with Integrated Crystal and SRAM
DS3232 ADI

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 		超高精度、I2C RTC，集成晶体和SRAM
DS3232_07 MAXIM

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 		Extremely Accurate I2C RTC with Integrated Crystal and SRAM
DS3232_08 MAXIM

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 		Extremely Accurate I2C RTC with Integrated Crystal and SRAM
DS3232_10 MAXIM

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 		Extremely Accurate I2C RTC with Integrated Crystal and SRAM

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