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PCF8523TK/1,118 PDF预览

PCF8523TK/1,118

更新时间: 2024-11-20 20:09:07
品牌 Logo 应用领域
恩智浦 - NXP 时钟PC光电二极管外围集成电路
页数 文件大小 规格书
78页 650K
描述
PCF8523 - Real-Time Clock (RTC) and calendar SON 8-Pin

PCF8523TK/1,118 技术参数

是否Rohs认证: 符合生命周期:Active
零件包装代码:SON包装说明:HVSON, SOLCC8,.16,32
针数:8Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:1.71
最大时钟频率:0.032 MHz信息访问方法:I2C
中断能力:YJESD-30 代码:S-PDSO-N8
长度:4 mm湿度敏感等级:1
端子数量:8计时器数量:1
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:HVSON
封装等效代码:SOLCC8,.16,32封装形状:SQUARE
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度(摄氏度):NOT SPECIFIED
电源:1.2/5.5 V认证状态:Not Qualified
座面最大高度:1 mm子类别:Timer or RTC
最大供电电压:5.5 V最小供电电压:1.2 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:0.8 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:4 mmuPs/uCs/外围集成电路类型:TIMER, REAL TIME CLOCK
Base Number Matches:1

PCF8523TK/1,118 数据手册

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PCF8523  
Real-Time Clock (RTC) and calendar  
Rev. 6 — 17 September 2013  
Product data sheet  
1. General description  
The PCF8523 is a CMOS1 Real-Time Clock (RTC) and calendar optimized for low power  
consumption. Data is transferred serially via the I2C-bus with a maximum data rate of  
1000 kbit/s. Alarm and timer functions are available with the possibility to generate a  
wake-up signal on an interrupt pin. An offset register allows fine-tuning of the clock. The  
PCF8523 has a backup battery switch-over circuit, which detects power failures and  
automatically switches to the battery supply when a power failure occurs.  
For a selection of NXP Real-Time Clocks, see Table 57 on page 68  
2. Features and benefits  
Provides year, month, day, weekday, hours, minutes, and seconds based on a  
32.768 kHz quartz crystal  
Resolution: seconds to years  
Clock operating voltage: 1.0 V to 5.5 V  
Low backup current: typical 150 nA at VDD = 3.0 V and Tamb = 25 C  
2 line bidirectional 1 MHz Fast-mode Plus (Fm+) I2C interface, read D1h, write D0h2  
Battery backup input pin and switch-over circuit  
Freely programmable timer and alarm with interrupt capability  
Selectable integrated oscillator load capacitors for CL = 7 pF or CL = 12.5 pF  
Internal Power-On Reset (POR)  
Open-drain interrupt or clock output pins  
Programmable offset register for frequency adjustment  
3. Applications  
Time keeping application  
Battery powered devices  
Metering  
1. The definition of the abbreviations and acronyms used in this data sheet can be found in Section 22.  
2. Devices with other I2C-bus slave addresses can be produced on request.  
 
 
 

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