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首页 > Products > MCU Memory ADC Clock  > Real Time Clock >Cxcl3456t is a high-precision real-time clock chip with built-in 32.768KHz digital temperature compensated crystal oscillator and I2C bus interface as communication mode It has functions of clock
Cxcl3456t is a high-precision real-time clock chip with built-in 32.768KHz digital temperature compensated crystal oscillator and I2C bus interface as communication mode It has functions of clock

Cxcl3456t is a high-precision real-time clock chip with built-in 32.768KHz digital temperature compensated crystal oscillator (DTCXO) and I2C bus interface as communication mode. It has functions of clock and automatic leap year correction calendar, alarm, fixed cycle timing interrupt, time update interrupt and enable 32.768KHz frequency output of OE

Cxcl3456t is a high-precision real-time clock chip with built-in 32.768KHz digital temperature compensated crystal oscillator and I2C bus interface as communication mode It has functions of clock
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                          目录Uek嘉泰姆

   1.产品概述      2.产品特点      3.应用范围     4.技术规格书下载(PDF文档)Uek嘉泰姆

   5.产品封装      6.电路原理图     7.相关产品Uek嘉泰姆

一.产品概述Uek嘉泰姆


  CXCL3456T是内置32.768kHZ数字温度补偿晶体振荡器(DTCXO),以I2C总线接口为通信方式的高精度实时时钟芯片。它有时钟和自动闰年校正日历功能,还有报警、固定周期定时中断、时间更 新中断和使能OE的32.768kHz频率输出等多种功能。Uek嘉泰姆

二.产品特点Uek嘉泰姆


■内置高稳定度的 32.768kHz的 DTCXO(数字温度补偿晶体振荡器)Uek嘉泰姆

■支持 I2C总线高速模式(400K)Uek嘉泰姆

■定时报警功能(可设定:天,日期,小时,分钟)Uek嘉泰姆

■固定周期定时中断功能Uek嘉泰姆

■时间更新中断功能Uek嘉泰姆

■32.768kHz 频率输出(具有使能 OE 功能)Uek嘉泰姆

■闰年自动调整功能。(2000 到 2099)Uek嘉泰姆

■宽范围接口电压:1.6V 到 5.5VUek嘉泰姆

■宽范围时间保持电压:1.8V 到 5.5VUek嘉泰姆

■低电流功耗:<1.8uA/3V(Type)Uek嘉泰姆

三.应用范围Uek嘉泰姆


  时钟  Uek嘉泰姆

四.技术规格书(产品PDF)Uek嘉泰姆


需要详细的PDF规格书请扫一扫微信联系我们,还可以获得免费样品以及技术支持!Uek嘉泰姆

 QQ截图20160419174301.jpgUek嘉泰姆

五.产品封装图Uek嘉泰姆


  blob.pngUek嘉泰姆

六.电路原理图Uek嘉泰姆


   blob.pngUek嘉泰姆

七.相关芯片选择指南Uek嘉泰姆


微功耗实时时钟(Real Time   Clock)
Part   No. Alarm Sets Periodic INT Standby CLK/INT Output Clock Adj. I/O Clock VDD Work   VDD Package
CXCL3455 2 2Hz to 1   Month 400nA   @5.0V Open Drain Yes Two-wire   Serial 1.8~5.5V 1.8~5.5V SOP8  TSSOP8
CXCL3456T 1.4~5.5V 1.6~5.5V @23C<0.04S/d, Temperature Coefficient   <0.01S/d.C Two-wire Serial SOP14