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DS3231S

更新时间： 2024-02-28 18:20:21
品牌 Logo 应用领域
达拉斯 - DALLAS 石英晶振
页数 文件大小 规格书
19页 361K
描述
Extremely Accurate I2C-Integrated RTC/TXO/Crystal

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DS3231S 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

DS3231S 数据手册

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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.  
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DS3231S- MAXIM Extremely Accurate I2C-Integrated

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DS3231S# MAXIM 暂无描述

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

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DS3231S#-W MAXIM Timer or RTC, Non-Volatile, CMOS, PDSO16,

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DS3231S/T&R MAXIM 暂无描述

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DS3231S+ DALLAS Extremely Accurate I2C-Integrated RTC/TXO/Crystal

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