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DS1339U-2 PDF预览

DS1339U-2

更新时间： 2024-09-16 22:13:47
品牌 Logo 应用领域
达拉斯 - DALLAS 时钟
页数 文件大小 规格书
18页 280K
描述
I2C Serial Real-Time Clock

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中文翻译

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DS1339U-2 技术参数

是否Rohs认证： 不符合生命周期：Transferred
Reach Compliance Code：unknown风险等级：5.7
信息访问方法：SERIAL, FIXED PROTOCOL中断能力：Y
JESD-30 代码：R-PDSO-G8JESD-609代码：e0
端子数量：8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：TSSOP封装等效代码：TSSOP8,.19
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
电源：2 V认证状态：Not Qualified
子类别：Timer or RTC标称供电电压：2 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子面层：Tin/Lead (Sn/Pb)
端子形式：GULL WING端子节距：0.635 mm
端子位置：DUAL最短时间：SECONDS
易失性：NOBase Number Matches：1

DS1339U-2 数据手册

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DS1339  
I2C Serial Real-Time Clock  
www.maxim-ic.com  
GENERAL DESCRIPTION  
FEATURES  
The DS1339 serial real-time clock (RTC) is a low-  
power clock/date device with two programmable time-  
of-day alarms and a programmable square-wave  
output. Address and data are transferred serially  
through an I2C* bus. The clock/date provides 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  
AM/PM indicator. The DS1339 has a built-in power-  
sense circuit that detects power failures and  
automatically switches to the backup supply,  
maintaining time and date operation.  
Cꢀ Real-Time Clock (RTC) Counts Seconds, Minutes,  
Hours, Day, Date, Month, and Year with Leap-  
Year Compensation Valid Up to 2100  
Cꢀ Available in a Surface-Mount Package with an  
Integrated Crystal (DS1339C)  
Cꢀ I2C Serial Interface  
Cꢀ Two Time-of-Day Alarms  
Cꢀ Programmable Square-Wave Output  
Cꢀ Oscillator Stop Flag  
Cꢀ Automatic Power-Fail Detect and Switch Circuitry  
Cꢀ Trickle-Charge Capability  
Cꢀ Underwriters Laboratory (UL) Recognized  
Pin Configurations appear at end of data sheet.  
APPLICATIONS  
*I2C is a trademark of Philips Corp. Purchase of I2C components  
from Maxim Integrated Products, Inc., or one of its sublicensed  
Associated Companies, conveys a license under the Philips I2C  
Patent Rights to use these components in an I2C system, provided  
that the system conforms to the I2C Standard Specification as  
defined by Philips.  
Handhelds (GPS, POS Terminals)  
Consumer Electronics (Set-Top Box, Digital  
Recording, Network Appliance)  
Office Equipment (Fax/Printers, Copier)  
Medical (Glucometer, Medicine Dispenser)  
Telecommunications (Routers, Switches, Servers)  
Other (Utility Meter, Vending Machine, Thermostat,  
Modem)  
ORDERING INFORMATION  
PART  
TEMP RANGE  
VOLTAGE (V)  
PIN-PACKAGE  
TOP MARK*  
DS1339C-2  
DS1339C-2+  
DS1339C-3  
DS1339C-3+  
DS1339C-33  
DS1339C-33+  
DS1339U-2  
DS1339U-3  
DS1339U-3+  
DS1339U-33  
DS1339U-33+  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
2.0  
2.0  
3.0  
3.0  
3.3  
3.3  
2.0  
3.0  
3.0  
3.3  
3.3  
16 SO (300 mils)  
16 SO (300 mils)  
16 SO (300 mils)  
16 SO (300 mils)  
16 SO (300 mils)  
16 SO (300 mils)  
8 ꢀSOP  
DS1339C-2  
DS1339C-2  
DS1339C-3  
DS1339C-3  
DS1339C-33  
DS1339C-33  
1339 ##-2  
1339 ##-3  
8 ꢀSOP  
1339 ##-3  
1339 ##-33  
1339 ##-33  
8 ꢀSOP  
8 ꢀSOP  
8 ꢀSOP  
+ Denotes a lead-free/RoHS-compliant device.  
## = second line, revision code  
2 = 2.0V (VCC ±10%)  
3 = 3.0V (VCC ±10%)  
33 = 3.3V (VCC ±10%)  
* A “+” on the top mark indicates a lead-free device.  
1 of 18  
REV: 071205  
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中文翻译

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