Datasheet > PCF2127AT/1,512

PCF2127AT/1,512

更新时间： 2024-11-20 15:47:35

品牌	Logo	应用领域
恩智浦 - NXP		PC
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/1,512 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
零件包装代码：	SOP	针数：	20
Reach Compliance Code：	unknown	风险等级：	5.76
Is Samacsys：	N	Base Number Matches：	1

PCF2127AT/1,512 数据手册

PCF2127AT

Integrated RTC, TCXO and quartz crystal

Rev. 6 — 11 July 2013

Product data sheet

1. General description

The PCF2127AT¹is a CMOS²Real 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 (I_OL= 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.

12 3 4 5 6 7...86

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PCF2127AT/1,512 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

与PCF2127AT/1,512相关器件

型号	品牌	获取价格	描述	数据表
PCF2127AT/1,518	NXP	获取价格	PCF2127 - Accurate RTC with integrated quartz crystal for industrial applications SOP 20-P
PCF2127AT/2	NXP	获取价格	IC REAL TIME CLOCK, Timer or RTC
PCF2127AT/2Y	NXP	获取价格	PCF2127 - Accurate RTC with integrated quartz crystal for industrial applications SOP 20-P
PCF2127T	NXP	获取价格	Accurate RTC with integrated quartz crystal for industrial applications
PCF2128	NXP	获取价格	Integrated RTC / TCXO / Crystal
PCF2128T	NXP	获取价格	Integrated RTC / TCXO / Crystal
PCF2128T1	NXP	获取价格	Integrated RTC / TCXO / Crystal
PCF2129(A)	NXP	获取价格	Smart, simple solutions for the 12 most common design concerns
PCF2129A	NXP	获取价格	Integrated RTC, TCXO and quartz crystal
PCF2129A_10	NXP	获取价格	Integrated RTC, TCXO and quartz crystal

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