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Datasheet > 微控制器和处理器 > 计时器或实时时钟> DS1388Z-3+TR
DS1388Z-3+TR PDF预览

DS1388Z-3+TR

更新时间： 2024-11-16 12:58:47
品牌 Logo 应用领域
美信 - MAXIM 计时器或实时时钟微控制器和处理器外围集成电路光电二极管监控可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数 文件大小 规格书
18页 379K
描述
Timer or RTC, Non-Volatile, CMOS, PDSO8, 0.150 INCH, ROHS COMPLIANT, SOIC-8

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中文翻译

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DS1388Z-3+TR 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：SOP, SOP8,.25
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.78
最大时钟频率：0.032 MHz信息访问方法：I2C
中断能力：YJESD-30 代码：R-PDSO-G8
JESD-609代码：e3长度：4.9 mm
湿度敏感等级：1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：SOP
封装等效代码：SOP8,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：225
电源：3 V认证状态：Not Qualified
座面最大高度：1.75 mm子类别：Timers or RTCs
最大供电电压：3.3 V最小供电电压：2.7 V
标称供电电压：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：1/100 SECOND处于峰值回流温度下的最长时间：NOT SPECIFIED
易失性：NO宽度：3.9 mm
Base Number Matches：1

DS1388Z-3+TR 数据手册

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Rev 0; 4/05  
2
I C RTC/Supervisor with Trickle Charger  
and 512 Bytes EEPROM  
General Description  
Features  
The DS1388 I2C real-time clock (RTC), supervisor, and  
EEPROM is a multifunction device that provides a  
clock/calendar, programmable watchdog timer, power-  
supply monitor with reset, and 512 bytes of EEPROM.  
The clock provides hundredths of seconds, seconds,  
minutes, and hours, and operates in 24-hour or 12-hour  
format with an AM/PM indicator. The calendar provides  
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. A watchdog timer provides a reset for an unre-  
sponsive microprocessor. It is programmable in 10ms  
intervals from 0.01 to 99.99 seconds. A temperature-  
compensated voltage reference and comparator circuit  
♦ Fast (400kHz) I2C Interface  
♦ RTC Counts Hundredths of Seconds, Seconds,  
Minutes, Hours, Day, Date, Month, and Year with  
Leap Year Compensation Valid Up to 2100  
♦ Programmable Watchdog Timer  
♦ Automatic Power-Fail Detect and Switch Circuitry  
♦ Reset Output with Pushbutton Reset Input  
Capability  
♦ 512 x 8 Bits of EEPROM  
♦ Integrated Trickle-Charge Capability for Backup  
Supply  
♦ Three Operating Voltages: 5.0V, 3.3V, and 3.0V  
♦ Low Timekeeping Voltage Down to 1.3V  
♦ -40°C to +85°C Temperature Range  
♦ UL Recognized  
monitors the status of V . If a primary power failure is  
CC  
detected, the device automatically switches to the  
backup supply and drives the reset output to the active  
state. The backup supply maintains time and date  
operation in the absence of V . When V  
returns to  
CC  
CC  
nominal levels, the reset is held low for a period to allow  
the power supply and processor to stabilize. The  
device also has a pushbutton reset controller, which  
debounces a reset input signal. The device is  
accessed through an I2C serial interface.  
Ordering Information  
PIN-  
PACKAGE  
TOP  
MARK  
PART  
TEMP RANGE  
DS1388Z-3  
DS1388Z-33  
DS1388Z-5  
DS1388Z-5+  
-40°C to +85°C 8 SO (150 mils) DS1388-3  
-40°C to +85°C 8 SO (150 mils) DS138833  
-40°C to +85°C 8 SO (150 mils) DS1388-5  
-40°C to +85°C 8 SO (150 mils) DS1388-5  
Applications  
Portable Instruments  
Point-of-Sale Equipment  
Network Interface Cards  
Wireless Equipment  
DS1388Z-33+ -40°C to +85°C 8 SO (150 mils) DS138833  
DS1388Z-3+ -40°C to +85°C 8 SO (150 mils) DS1388-3  
A ’+’ symbol near the pin one indicator indicates lead-free.  
+ = Lead free.  
Pin Configuration  
Typical Operating Circuit  
TOP VIEW  
CRYSTAL  
V
CC  
V
CC  
V
CC  
X1  
X2  
1
2
3
4
8
7
6
5
V
CC  
RST  
SCL  
SDA  
DS1388  
X2  
X1  
V
CC  
RPU  
RPU  
V
BACKUP  
GND  
SCL  
SDA  
DS1388  
CPU  
RST  
SO  
V
BACKUP  
2
Purchase of I C components from Maxim Integrated Products,  
Inc., or one of its sublicensed Associated Companies, conveys  
GND  
2
a license under the Philips I C Patent Rights to use these com-  
ponents in an I C system, provided that the system conforms  
to the I C Standard Specification as defined by Philips.  
2
RPU = t /C  
r
B
2
______________________________________________ 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...18

中文翻译

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