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ISL12028AIB27Z-T

更新时间： 2024-09-15 21:19:15
品牌 Logo 应用领域
瑞萨 - RENESAS 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时钟光电二极管外围集成电路
页数 文件大小 规格书
29页 358K
描述
Real Time Clock/Calendar with I<sup>2</sup>C Bus&trade; and EEPROM; SOIC14, TSSOP14; Temp Range: -40&deg; to 85&deg;C

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ISL12028AIB27Z-T 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SOIC, TSSOP包装说明：SOP, SOP14,.25
针数：14, 14Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.84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-G14
JESD-609代码：e3长度：8.65 mm
湿度敏感等级：2端子数量：14
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：SOP14,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：NOT SPECIFIED
电源：3/5 V认证状态：Not Qualified
座面最大高度：1.75 mm子类别：Timer or RTC
最大供电电压：5.5 V最小供电电压：2.7 V
标称供电电压：3.3 V表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn) - annealed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：YES宽度：3.9 mm
uPs/uCs/外围集成电路类型：TIMER, REAL TIME CLOCKBase Number Matches：1

ISL12028AIB27Z-T 数据手册

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ISL12028, ISL12028A  
®
Data Sheet  
November 30, 2010  
FN8233.9  
Real Time Clock/Calendar with I2C Bus™  
and EEPROM  
Features  
• Real Time Clock/Calendar  
The ISL12028 device is a low power real time clock with  
clock/calendar, power-fail indicator, clock output and crystal  
compensation, two periodic or polled alarms (CMOS output),  
intelligent battery backup switching, CPU Supervisor,  
integrated 512x8-bit EEPROM configured in 16 bytes per  
page.  
- Tracks time in Hours, Minutes and Seconds  
- Day of the Week, Day, Month and Year  
- 3 Selectable Frequency Outputs  
• Two Non-Volatile Alarms  
- Settable on the Second, Minute, Hour, Day of the Week,  
Day, or Month  
The oscillator uses an external, low-cost 32.768kHz crystal.  
The real-time clock tracks time with separate registers for  
hours, minutes and seconds. The device has calendar  
registers for date, month, year and day of the week. The  
calendar is accurate through 2099, with automatic leap year  
correction.  
- Repeat Mode (Periodic Interrupts)  
• Automatic Backup to Battery or SuperCap  
- Power Failure Detection  
- 800nA Battery Supply Current  
• On-Chip Oscillator Compensation  
- Internal Feedback Resistor and Compensation  
Capacitors  
The ISL12028 and ISL12028A Power Control Settings are  
different. The ISL12028 uses the Legacy Mode Setting, and  
the ISL12028A uses the Standard Mode Setting.  
- 64 Position Digitally Controlled Trim Capacitor  
- 6 Digital Frequency Adjustment Settings to ±30ppm  
Applications that have V  
> V  
will require only the  
BAT  
DD  
ISL12028A. Please refer to “Power Control Operation” on  
page 14 for more details. Also, please refer to “I2C  
Communications During Battery Backup and LVR Operation”  
on page 25 for important details.  
• 512x8 Bits of EEPROM:  
- 16-Byte Page Write Mode (32 total pages)  
- 8 Modes of BlockLock™ Protection  
- Single Byte Write Capability  
- Data Retention: 50 years  
Pinout  
- Endurance: >2,000,000 Cycles Per Byte  
ISL12028, ISL12028A  
(14 LD TSSOP, SOIC)  
TOP VIEW  
• CPU Supervisor Functions:  
- Power On Reset, Low Voltage Sense  
- Watchdog Timer (0.25s, 0.75s and 1.75s)  
X1  
X2  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
V
V
DD  
• I2C Interface  
BAT  
IRQ/F  
NC  
NC  
OUT  
- 400kHz Data Transfer Rate  
NC  
NC  
NC  
• 14 Ld SOIC and 14 Ld TSSOP Packages  
• Pb-Free (RoHS Compliant)  
RESET  
GND  
SCL  
SDA  
8
NC = No internal connection  
Applications  
• Utility Meters  
• HVAC Equipment  
• Audio/Video Components  
• Modems  
• Network Routers, Hubs, Switches, Bridges  
• Cellular Infrastructure Equipment  
• Fixed Broadband Wireless Equipment  
• Pagers/PDA  
• POS Equipment  
• Test Meters/Fixtures  
• Office Automation (Copiers, Fax)  
• Home Appliances  
• Computer Products  
• Other Industrial/Medical/Automotive  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.  
I2C Bus™ is a trademark owned by NXP Semiconductors Netherlands, B.V.  
BlockLock™ is a trademark of Intersil Corporation or one of its subsidiaries. Copyright Intersil Americas Inc. 2005, 2006, 2008, 2010.  
All Rights Reserved. All other trademarks mentioned are the property of their respective owners.  
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