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DS3232N

更新时间： 2024-02-08 13:12:59
品牌 Logo 应用领域
美信 - MAXIM 晶体静态存储器
页数 文件大小 规格书
18页 247K
描述
Extremely Accurate I2C RTC with Integrated Crystal and SRAM

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DS3232N 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：SOP, SOP20,.4针数：20
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：0.7最大时钟频率：0.032 MHz
外部数据总线宽度：信息访问方法：I2C
中断能力：YJESD-30 代码：R-PDSO-G20
JESD-609代码：e3长度：12.8 mm
湿度敏感等级：1端子数量：20
计时器数量：1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：SOP20,.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座面最大高度：2.65 mm
子类别：Timer or RTC最大供电电压：5.5 V
最小供电电压：2.3 V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
宽度：7.5 mmuPs/uCs/外围集成电路类型：TIMER, REAL TIME CLOCK
Base Number Matches：1

DS3232N 数据手册

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Rev 3; 10/07  
2
Extremely Accurate I C RTC with  
Integrated Crystal and SRAM  
DS32  
General Description  
Features  
♦ Accuracy 2ppm from 0°C to +40°C  
The DS3232 is a low-cost temperature-compensated  
crystal oscillator (TCXO) with a very accurate, tempera-  
ture-compensated, integrated real-time clock (RTC) and  
236 bytes of battery-backed SRAM. Additionally, the  
DS3232 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 DS3232  
is available in commercial and industrial temperature  
ranges, and is offered in an industry-standard 20-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  
♦ 236 Bytes of Battery-Backed SRAM  
♦ Low-Power Consumption  
♦ Real-Time Clock Counts Seconds, Minutes,  
Hours, Day, Date, Month, and Year with Leap Year  
Compensation Valid Up to 2099  
♦ Two Time-of-Day Alarms  
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.  
♦ 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 Input/Output  
♦ 300-Mil, 20-Pin SO Package  
®
♦ Underwriters Laboratories (UL ) Recognized  
A precision temperature-compensated voltage refer-  
Ordering Information  
ence and comparator circuit monitors the status of V  
CC  
PIN-  
PACKAGE  
TOP  
MARK  
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.  
PART  
TEMP RANGE  
DS3232S#  
0°C to +70°C  
20 SO  
20 SO  
DS3232  
DS3232SN#  
-40°C to +85°C  
DS3232N  
# Denotes a RoHS-compliant device that may include lead that  
is exempt under the RoHS requirements. 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.  
Applications  
Utility Power Meters  
GPS  
Servers  
Telematics  
Typical Operating Circuit  
Pin Configuration  
TOP VIEW  
V
V
CC  
CC  
R
PU  
= t / C  
R B  
N.C.  
N.C.  
1
2
3
4
5
6
7
8
9
20 SCL  
19 N.C.  
18 SCL  
17 SDA  
V
CC  
R
PU  
R
PU  
V
32kHz  
CC  
SCL  
SDA  
RST  
N.C.  
INT/SQW  
32kHz  
V
CC  
CPU  
INT/SQW  
RST  
16 V  
BAT  
DS3232  
V
BAT  
PUSH-  
BUTTON  
RESET  
15 GND  
N.C.  
N.C.  
N.C.  
N.C.  
N.C.  
N.C.  
N.C.  
N.C.  
N.C.  
14  
DS3232  
N.C.  
N.C.  
13 N.C.  
12 N.C.  
11 N.C.  
N.C.  
N.C.  
N.C.  
GND  
N.C. 10  
SO  
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.  
1234567...18

中文翻译

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 		Extremely Accurate I2C RTC with Integrated Crystal and SRAM
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DS3232S# MAXIM

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DS3232SN MAXIM

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 		Extremely Accurate I2C RTC with Integrated Crystal and SRAM
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 		暂无描述
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