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ISL12023

更新时间： 2024-02-21 19:43:56
品牌 Logo 应用领域
英特矽尔 - INTERSIL 电池温度补偿静态存储器
页数 文件大小 规格书
28页 384K
描述
Low Power RTC with Battery-Backed SRAM and Embedded Temp Compensation ±5ppm with Auto Daylight Saving

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ISL12023 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：TSSOP包装说明：TSSOP, TSSOP14,.25
针数：14Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.82最大时钟频率：0.032 MHz
信息访问方法：I2C中断能力：Y
JESD-30 代码：R-PDSO-G14JESD-609代码：e3
长度：5 mm湿度敏感等级：1
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：TSSOP封装等效代码：TSSOP14,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
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：1.2 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 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：0.65 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：4.4 mmuPs/uCs/外围集成电路类型：TIMER, REAL TIME CLOCK
Base Number Matches：1

ISL12023 数据手册

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ISL12023  
®
Real Time Clock with On Chip Temp Compensation ±5ppm  
Data Sheet  
June 24, 2009  
FN6682.2  
Low Power RTC with Battery-Backed SRAM  
and Embedded Temp Compensation ±5ppm  
with Auto Daylight Saving  
Features  
• Real Time Clock/Calendar  
- Tracks Time in Hours, Minutes and Seconds  
- Day of the Week, Day, Month and Year  
The ISL12023 device is a low power real time clock with an  
embedded Temp sensor for oscillator compensation,  
clock/calendar, power fail, low battery monitor, brownout  
indicator, single periodic or polled alarms, intelligent  
battery-backup switching, Battery Reseal™ function and 128  
bytes of battery-backed user SRAM.  
• On-chip Oscillator Compensation Over the Operating  
Temp Range  
- ±5ppm Over -40°C to +85°C  
• 10-bit Digital Temperature Sensor Output  
- ±2°C Accuracy  
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.  
• Customer Programmable Day Light Saving Time  
• Clock Output with 15 Selectable Frequencies  
• 1 Alarm  
- Settable to the Second, Minute, Hour, Day of the Week,  
Day, or Month  
Daylight Savings time adjustment is done automatically,  
using parameters entered by the user. Power fail and battery  
monitors offer user-selectable trip levels. A time stamp  
- Single Event or Pulse Interrupt Mode  
• Battery Reseal™ Function to Extend Battery Shelf Life  
• Automatic Backup to Battery or Super Capacitor  
function records the time and date of switchover from V  
to  
DD  
V
power, and also from V  
BAT  
to V  
DD  
power.  
- Operation to V = 1.8V  
BAT  
BAT  
- 1.0µA Battery Supply Current  
Pinout  
• Battery Status Monitor  
ISL12023  
(14 LD TSSOP)  
TOP VIEW  
- 2 User Programmable Levels  
- Seven Selectable Voltages for Each Level  
• Power Status Brownout Monitor  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
NC  
X1  
NC  
- Six Selectable Trip Levels, from 2.295V to 4.675V  
V
DD  
• Oscillator Failure Detection  
X2  
IRQ  
• Time Stamp for First V  
DD  
to V  
, and Last V  
BAT  
to V  
DD  
BAT  
V
SCL  
SDA  
BAT  
• 128 Bytes Battery-Backed User SRAM  
GND  
LVRST  
NC  
• Separate F  
, IRQ, and LVRST Outputs  
OUT  
F
OUT  
2
• I C Bus™  
8
NC  
- 400kHz Clock Frequency  
• 14 Ld TSSOP Package  
• Pb-Free (RoHS Compliant)  
Applications  
• Utility Meters  
• POS Equipment  
• Medical Devices  
• Security Systems  
• Vending Machines  
• White Goods  
• Printers and Copiers  
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 registered trademark of Intersil Americas Inc.  
2
I C Bus™ is a trademark owned by NXP Semiconductors Netherlands, B.V.  
Copyright Intersil Americas Inc. 2008, 2009. All Rights Reserved  
All other trademarks mentioned are the property of their respective owners.  
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