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ISL12020MIRZ-T7

更新时间： 2024-12-02 05:05:35
品牌 Logo 应用领域
瑞萨 - RENESAS 光电二极管外围集成电路
页数 文件大小 规格书
34页 722K
描述
Real Time Clock

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ISL12020MIRZ-T7 技术参数

生命周期：Transferred包装说明：SON,
Reach Compliance Code：compliant风险等级：5.75
Is Samacsys：N外部数据总线宽度：
信息访问方法：I2CJESD-30 代码：R-PDSO-N20
长度：5.5 mm端子数量：20
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：SON
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
座面最大高度：1.35 mm最大供电电压：5.5 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端子形式：NO LEAD
端子节距：0.5 mm端子位置：DUAL
宽度：4 mmuPs/uCs/外围集成电路类型：TIMER, REAL TIME CLOCK
Base Number Matches：1

ISL12020MIRZ-T7 数据手册

 浏览型号ISL12020MIRZ-T7的Datasheet PDF文件第2页浏览型号ISL12020MIRZ-T7的Datasheet PDF文件第3页浏览型号ISL12020MIRZ-T7的Datasheet PDF文件第4页浏览型号ISL12020MIRZ-T7的Datasheet PDF文件第5页浏览型号ISL12020MIRZ-T7的Datasheet PDF文件第6页浏览型号ISL12020MIRZ-T7的Datasheet PDF文件第7页 
DATASHEET  
Low Power RTC with Battery Backed SRAM, Integrated  
±5ppm Temperature Compensation and Auto Daylight  
Saving  
ISL12020M  
Features  
The ISL12020M device is a low power Real Time Clock (RTC)  
with an embedded temperature sensor and crystal. Device  
functions include oscillator compensation, clock/calendar,  
power fail and low battery monitors, brownout indicator,  
one-time, periodic or polled alarms, intelligent battery backup  
switching, Battery Reseal™ function and 128 bytes of  
battery-backed user SRAM. The device is offered in a  
20 Ld DFN module that contains the RTC and an embedded  
32.768kHz quartz crystal. The calibrated oscillator provides  
less than ±5ppm drift across the 0°C to +85°C temperature  
range.  
• Embedded 32.768kHz quartz crystal in the package  
• 20 Ld DFN package (for SOIC version, refer to the  
ISL12022M)  
• Calendar  
• On-chip oscillator temperature compensation  
• 10-bit digital temperature sensor output  
• 15 selectable frequency outputs  
• Interrupt for alarm or 15 selectable frequency outputs  
• Automatic backup to battery or supercapacitor  
The RTC tracks time with separate registers for hours, minutes  
and seconds. The calendar registers track date, month, year  
and day of the week and are accurate through 2099, with  
automatic leap year correction.  
• V and battery status monitors  
DD  
• Battery Reseal™ function to extend battery shelf life  
• Power status brownout monitor  
• Time stamp for battery switchover  
Daylight Savings time adjustment is done automatically, using  
parameters entered by the user. Power fail and battery  
monitors offer user-selectable trip levels. The time stamp  
• 128 Bytes battery-backed user SRAM  
2
• I C-Bus™  
function records the time and date of switchover from V to  
DD  
V
power and also from V  
BAT  
to V power.  
DD  
• RoHS compliant  
BAT  
Related Literature  
Applications  
• Utility meters  
• AN1549, “Addressing Power Issues in Real Time Clock  
Applications”  
• POS equipment  
• Printers and copiers  
• Digital cameras  
• AN1389, “Using Intersil’s High Accuracy Real Time Clock  
Module”  
1
2
3
4
5
6
7
8
9
X2  
X1 20  
X1 19  
X2  
X2  
X1 18  
X2  
X1 17  
3.3V  
C1  
X2  
X1 16  
SCHOTTKY DIODE  
BAT54  
NC  
VBAT  
GND  
NC  
NC 15  
R2  
R3  
R1  
0.1µF  
VDD 14  
IRQ/FOUT 13  
SCL 12  
SDA 11  
10k 10k 10k  
BATTERY  
3.0V  
C2  
0.1µF  
VDD  
SCL  
MCU  
INTERFACE  
10 NC  
SDA  
GND  
ISL12020M  
IRQ/FOUT  
FIGURE 1. TYPICAL APPLICATION CIRCUIT  
January 9, 2015  
FN6667.6  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1
1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas LLC 2008-2011, 2015. All Rights Reserved  
2
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries. I C Bus™ is a trademark owned by  
NXP Semiconductors Netherlands, B.V. All other trademarks mentioned are the property of their respective owners.  
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