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PCF2127AT/1,518

更新时间： 2024-11-20 15:47:35
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
86页 1156K
描述
PCF2127 - Accurate RTC with integrated quartz crystal for industrial applications SOP 20-Pin

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PCF2127AT/1,518 技术参数

生命周期：Obsolete零件包装代码：SOP
包装说明：SOP, SOP20,.4针数：20
Reach Compliance Code：unknownHTS代码：8542.39.00.01
风险等级：5.76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-G20
长度：12.8 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：SOP
封装等效代码：SOP20,.4封装形状：RECTANGULAR
封装形式：SMALL OUTLINE电源：2/4 V
认证状态：Not Qualified座面最大高度：2.65 mm
子类别：Timers or RTCs最大供电电压：4.2 V
最小供电电压：1.8 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：GULL WING
端子节距：1.27 mm端子位置：DUAL
最短时间：SECONDS易失性：YES
宽度：7.5 mmuPs/uCs/外围集成电路类型：TIMER, REAL TIME CLOCK
Base Number Matches：1

PCF2127AT/1,518 数据手册

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PCF2127AT  
Integrated RTC, TCXO and quartz crystal  
Rev. 6 — 11 July 2013  
Product data sheet  
1. General description  
The PCF2127AT1 is a CMOS2 Real Time Clock (RTC) and calendar with an integrated  
Temperature Compensated Crystal (Xtal) Oscillator (TCXO) and a 32.768 kHz quartz  
crystal optimized for very high accuracy and very low power consumption. The  
PCF2127AT has 512 bytes of general purpose static RAM, a selectable I2C-bus or  
SPI-bus, a backup battery switch-over circuit, a programmable watchdog function, a  
timestamp function, and many other features.  
2. Features and benefits  
Temperature Compensated Crystal Oscillator (TCXO) with integrated capacitors  
Typical accuracy: 3 ppm from 15 C to +60 C  
Integration of a 32.768 kHz quartz crystal and oscillator in the same package  
Provides year, month, day, weekday, hours, minutes, seconds, and leap year  
correction  
512 bytes of general purpose static RAM  
Timestamp function  
with interrupt capability  
detection of two different events on one multilevel input pin (for example, for tamper  
detection)  
Two line bidirectional 400 kHz Fast-mode I2C-bus interface (IOL = 3 mA at pin  
SDA/CE)  
3 line SPI-bus with separate data input and output (maximum speed 6.5 Mbit/s)  
Battery backup input pin and switch-over circuitry  
Battery backed output voltage  
Battery low detection function  
Extra power fail detection function with input and output pins  
Power-On Reset Override (PORO)  
Oscillator stop detection function  
Interrupt output and system reset pin (open-drain)  
Programmable 1 second or 1 minute interrupt  
Programmable countdown timer with interrupt capability  
Programmable watchdog timer with interrupt and reset capability  
Programmable alarm function with interrupt capability  
Programmable square wave open-drain output pin  
1. As well as the PCF2129.  
2. The definition of the abbreviations and acronyms used in this data sheet can be found in Section 20.  
 
 
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PCF2127AT/1,518 替代型号

型号 品牌 替代类型 描述 数据表
PCF2127AT/2Y NXP

完全替代

 PCF2127 - Accurate RTC with integrated quartz crystal for industrial applications SOP 20-P

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