【产品】32.768kHz车载实时时钟模块RA-8581SA，内置高速I²C总线

时间： 2017-12-22 来源：Epson（世强编辑整理） 作者：人工智能

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爱普生推出了一款32.768kHz的车载实时时钟模块——RA-8581SA。该实时时钟模块搭载了400kHz的高速I²C-Bus总线，具有时刻、日历、警报器、定时器等功能。

凭借爱普生低功耗音叉型石英晶体振荡器生产技术，RA-8581SA提供了32.768kHz的CMOS输出，占空比为50+5%，输出频率精度高，在Ta=+25°C，V_DD=3V时，频率精度为5±23*10^-6，相当于每月1分钟的偏差，可避免长时间工作积累的误差。同时RA-8581SA电源电压范围大，为1.8V~5.5V，避免供电不稳对输出结果的影响。

RA-8581SA内部集成的定时器支持报警中断功能，时间更新中断功能，可在1/4096 秒和 4095 分钟的范围内设置中断，在发生事件的时候，自动记录到TF-bit，并可通过/TIRQ 引脚输出进行结果输出(N-ch 开漏输出)。

RA-8581SA功耗低，当FOUT输出频率时，电流为5μA(V_DD=3V)，当待机时电流为0.45μA(V_DD=3V)，适用于便携式设备。

RA-8581SA具有高精度、高稳定性和低功耗的特点，可广泛应用于汽车音响, 汽车导航系统, 时钟, ECU 子时钟等。

图：车载实时时钟模块RA-8581SA引脚图

车载实时时钟模块RA-8581SA的主要特性：
•车载实时时钟模块，32.768kHz频率输出
•内置400kHz的高速I2C-Bus总线
•具有时刻、日历、警报器、定时器等功能
•频率精度：5±23*10^-6
•占空比：50±5%
•功耗低，待机电流为0.45μA
•电源电压：1.8V~5.5V

车载实时时钟模块RA-8581SA的主要应用：
•汽车音响
•汽车导航系统
•时钟
•ECU子时钟

技术顾问：drwyh

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ybgy Lv7. 资深专家 2021-12-03

学习
采蘑菇的小男孩 Lv7. 资深专家 2018-01-14

好东西
一生有你 Lv3. 高级工程师 2017-12-22

好

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EPSON（爱普生）CMOS LSI 产品选型指南

目录- History of Epson semiconductor Configuration of product number ASICs MCUs ASSPs REAL TIME CLOCK MODUL Package Information LSI Device Precautions Non-Promotional Product Information

型号- S1C17,S1D13513B01B,S1D56700D0A0,RA8804CE,S1X5V533,S1X5V534,S1C17F00 SERIES,S1D53230D0A0,S1D13705F00A,S1L5V000,S1L60174,S1L5V484,S1L5V483,S1L50000 SERIES,S1L60173,S1C17560,S1D13C00 SERIES,S2R72A** SERIES,S1D13L01F00A S1D13L02F00A,RX8130CE,S1V3F351,RX-8025SA,S1C17M00 SERIES,S1V3F352,RX4803LC,S1D13709F00A,S1D13U11F00A,S1L5V014,S1V3*** SERIES,S1L5V253,S1L5V252,S1L5V013,S1D13L04F00A,S1L5V012,S1L5V254,S1D56220D0A0,S1C17W10 GROUP,S1L60833,S1L60834,S1D13515F00A,S1D56200D0A0,S1C31,S2R72A54F12E,S1X5V513,S1X5V514,S1C17580,S1C17100,S1D56570D0A0,S1L60000 SERIES,S1C17589,S1C17580 GROUP,S1L50000,S1D13A05B00B,S1V3G340F02A,S1X60000 SERIES,RX8901CE,S1D13A04F00A,S1L5V482,S1X5V523,S1L50122,S1X5V524,S1L50123,S1L50124,S1L5V114,S1D13748F00A,S1L5V113,S1L60284,S1X50000 SERIES,S1L5V112,S1C31 FAMILY,S2R72A**,S1L60283,RX-4035LC,S1L61903,S1C17803,S1L61904,S1C17700 SERIES,RA8900CE,S1D13742F01A,RX4111CE,S1C31D00 SERIES,S1L61583,RA8000CE,RX8900SA,RX-8035SA,S1L61584,RX-4045NB,S1C17800,S1D13C00B00C,S1D50000 SERIES,S2D13719F00A,S1L56684,RX8900CE,S1L56683,S1D13L03F00A,S1L56682,S1D50000,S1C31D41,RX-4571LC,S1D14F57,S1L61234,S1V3***,S1L61233,S1C17705,S1C17W20 GROUP,RX-8564LC,S1C31D00,S1L50552,S1L50553,S1L5V000 SERIES,S1L50554,S1C31D01,RX-4803SA,S1X60000,RA8803SA,RX-8571SA,RX4901CE,S1L60593,S1C17560 GROUP,S1L60594,S1C17703,S1C17702,S1C31W65,S1X5V000 SERIES,S1C17700,S2R72A42F12C,S1L52503,S1L52502,S1L52504,S2D13P04 SERIES,S1L51773,S1D13781F00A,S1L51772,S1L51774,S1D13748B00B,S1D13700F02A,S1D13A04B00B,S1L60000,RX-4571NB,RX8010SJ,S1C31W74,S1D13C00,S2D13P04B00B,RA-4565SA,S1C31W73,S1D13L01F00A100,S1C17W15,S1C17W16,S1X80000 SERIES,S1C17W18,S1C17F00,S2D13***,S1D56540D0A0,RX-4803LC,S1C17600,S1C17W12,S1C17W13,S1C17W14,S1C17604,S1L62514,S1D13C00F00C,S1L62513,S1C17602,S1C17W10,S1C17601,S1D13*** SERIES,S1C17W04,S1X50000,S1D56710D0A0,S1D13517F00A,S1D56520D0A0,S1C31FAMILY,S1D13743F00A,S1L58152,S1L58153,RX-4045SA,S1L58154,S1C17153,S1C17W00,S1C17W03,S1C17711,S1C17W00 GROUP,RX-8731LC,S1C17FAMILY,S1D13L** SERIES,S1D56730D0A0,S1L50753,S1L50754,S1L50992,S1L50993,S1L50752,S1L50994,S1C17 FAMILY,S1C31D51,RX-4035SA,S1C31D50,S1C17600 SERIES,S1C17622,S1C17500,S1C17W34,S1C17621,S1C17W35,S1D14F00,S1C17W36,S1D13719B00B,RX8111CE,S1C17W30,S1C17624,S2R72A21F05E,S1L53354,S1L53352,S2S65P10F00A,S1L53353,S1D13***,S1X5V000,S1C17F60 GROUP,S1K80000 SERIES,S2R72A43F12C,S5U1C17001H1200,S1C17W22,S1C17611,S1C17W23,RA4803SA,S2D13P04F00A,S1C17W20,RX-8803SA,RX-8025NB,S1V3G340F01A,S1D13513F01A,S1L55064,S1L60093,S1C17M13,S1L60094,S1L5V044,S1C31W00 SERIES,S1L5V043,S1C17M10,S1C17M12,S1C31W00,S1C17100 SERIES,RX-4571SA,RX6110SA,S1D13706F00A,S1L50063,S2D13*** SERIES,S1L54422,S1L50064,S1V3G340F00A,S1C17800 SERIES,S1L50062,RX-8803LC,S1D56580D0A0,RX-8571NB,S1L54423,S1L54424,RX-8035LC,S1C17M02,S1K80000,S1C17F50 GROUP,S1C17M03,S1C17M01,S1C17F60,RA4000CE,S1D13L**,S1C17W30 GROUP,S2R72A44F12C,S1C17M40,S1C17F63,RX8804CE,S1C17M31,S1C17M32,S1C17M33,S1C17M34,S1C17W00 SERIES,S1L51252,S1L50283,S2D13P04,S1D56240D0A0,S1L50284,S1L60404,S1L51254,S1C17500 SERIES,S1C17F50,S1L51253,S1L50282,S1C17F57,S1L5V042,RX-8571LC,S1C17M30,S1C17M24,S1C17M25,S1C17M20,S1C17651,S1C17M21,S1C17M22,S1X80000,S1C17M23,S1L55062,S1L55063,S1C17653,S1L60403,S1C17656,S1D14F00 SERIES

March 2023 - EPSON - 选型指南代理服务技术支持现货查询批量订货

EPSON（爱普生）CMOS LSI 产品选型指南

目录- History of Epson semiconductor Configuration of product number ASICs MCUs ASSPs REAL TIME CLOCK MODUL Package Information LSI Device Precautions Non-Promotional Product Information

型号- S1C17,S1D13513B01B,S1D56700D0A0,RA8804CE,S1X5V533,S1X5V534,RA-8565SA,S1C17F00 SERIES,S1D53230D0A0,S1D13705F00A,S1L5V000,S1L60174,S1L5V484,S1L5V483,S1L50000 SERIES,S1L60173,S1D13C00 SERIES,S2R72A** SERIES,RX8130CE,S2D13513B01B,S2D13515F00A,RX-8025SA,S1C17M00 SERIES,RX4803LC,S1D13709F00A,S1D13U11F00A,S1L5V014,S1V3*** SERIES,S1L5V253,S1L5V252,S1L5V013,S1D13L04F00A,S1L5V012,S1L5V254,S1D56220D0A0,S1L60833,S1L60834,S1D13515F00A,S1D56200D0A0,S1C31,S1D13L01F00A,S2R72A54F12E,S1X5V513,S1X5V514,S1C17100,S1D56570D0A0,S1L60000 SERIES,S1C17589,S1F77330M0A,S1L50000,S1D13A05B00B,S1V3G340F02A,S1X60000 SERIES,RX8901CE,S1D13A04F00A,S1L5V482,S1X5V523,S1L50122,S1X5V524,S1L50123,S1L50124,S1L5V114,S1D13748F00A,S1L5V113,S1L60284,S1X50000 SERIES,S1L5V112,S1C31 FAMILY,S2R72A**,S1L60283,RX-4035LC,S1L61903,S1C17803,S1L61904,S1C17700 SERIES,RA8900CE,S1D13742F01A,RX4111CE,S1C31D00 SERIES,S1L61583,RA8000CE,RX8900SA,RX-8035SA,S1L61584,RX-4045NB,S1C17800,S1D13C00B00C,S1D14F61,S1D50000 SERIES,S2D13719F00A,S1L56684,RX8900CE,S1L56683,S1D13L03F00A,S1L56682,S1V30080F0*A,S1D50000,S1C31D41,RX-4571LC,S1D14F57,S1L61234,S1V3***,S1L61233,S1C17705,RX-8564LC,S1C31D00,S1L50552,S1L50553,S1L5V000 SERIES,S1L50554,S1C31D01,RX-4803SA,S1X60000,RA8803SA,RX-8571SA,RX4901CE,S1L60593,S1D13L02F00A,S1L60594,S1C17703,S1C17702,S1C31W65,S1X5V000 SERIES,S1C17700,S2R72A42F12C,S1L52503,S1L52502,S1L52504,S2D13P04 SERIES,S1L51773,S1D13781F00A,S1L51772,S1L51774,S1D13748B00B,S2R72A11F05E,S1V30080F1*A,S1D13700F02A,S1D13A04B00B,S1L60000,RX-4571NB,RX8010SJ,S1C31W74,S1D13C00,S2D13P04B00B,RA-4565SA,S1C31W73,S1D13L01F00A100,S1C17W15,S1C17W16,S1F77330B0A,S1X80000 SERIES,S1C17W18,S1C17F00,S2D13***,S1D56540D0A0,RX-4803LC,S1C17600,S1C17W12,S1C17W13,S1C17W14,S1C17604,S1L62514,S1D13C00F00C,S1L62513,S1C17602,S1C17601,S1D13*** SERIES,S1C17W04,S1X50000,S1D56710D0A0,S1D13517F00A,S1D56520D0A0,S1D13743F00A,S1L58152,S1L58153,RX-4045SA,S1L58154,S1C17153,S1C17W00,S1C17W03,S1C17711,RX-8731LC,S1C17FAMILY,S1D13L** SERIES,S1D56730D0A0,S1L50753,S1L50754,S1L50992,S1L50993,S1L50752,S1L50994,S1C31D51,RX-4035SA,S1C31D50,S1C17600 SERIES,S1C17622,S1C17500,S1C17W34,S1C17621,S1C17W35,S1D14F00,S1C17W36,S1D13719B00B,RX8111CE,S1C17624,S2R72A21F05E,S1L53354,S1L53352,S2S65P10F00A,S1L53353,S1D13***,S1X5V000,S1F77310M0A,S1K80000 SERIES,S2R72A43F12C,S5U1C17001H1200,S1C17W22,S1C17611,S1C17W23,RA4803SA,S2D13P04F00A,RX-8803SA,RX-8025NB,S1V3G340F01A,S1D13513F01A,S1L55064,S1L60093,S1C17M13,S1L60094,S1L5V044,S1C31W00 SERIES,S1L5V043,S1C17M10,S1C17M12,S1C31W00,S1C17100 SERIES,RX-4571SA,RX6110SA,S1D13706F00A,S1L50063,S2D13*** SERIES,S1L50064,S1L54422,S1V3G340F00A,S1C17800 SERIES,S1L50062,RX-8803LC,S1D56580D0A0,RX-8571NB,S1L54423,S1L54424,RX-8035LC,S1C17M02,S1K80000,S1C17M03,S1C17M00,S1C17M01,RA4000CE,S1D13L**,S2R72A44F12C,S1C17M40,S1C17F63,RX8804CE,S1C17M31,S1C17M32,S1C17M33,S1C17M34,S1C17W00 SERIES,S1L50283,S1L51252,S2D13P04,S1D56240D0A0,S1L50284,S1L60404,S1L51254,S1C17500 SERIES,S1L51253,S1L50282,S1C17F57,S1L5V042,RX-8571LC,S1C17M30,S1C17M24,S1C17M25,S1C17M20,S1C17651,S1C17M21,S1C17M22,S1X80000,S1C17M23,S1L55062,S1L55063,S1C17653,S1L60403,S1C17656,S1D14F00 SERIES

March 2022 - EPSON - 选型指南代理服务技术支持现货查询批量订货

EPSON（爱普生）CMOS LSI 产品选型指南

目录- History of Epson semiconductor Configuration of product number ASICs MCUs ASSPs REAL TIME CLOCK MODUL Package Information LSI Device Precautions Non-Promotional Product Information

型号- S1L5V000 SERIES,S1C17,S1D13513B01B,S1D56700D0A0,RA8804CE,S1X5V533,S1X5V534,RA-8565SA,S1C17F00 SERIES,S1D53230D0A0,S1D13705F00A,S1L5V000,S1L60174,S1L5V484,S1L5V483,S1L60173,S1D13C00 SERIES,S2R72A** SERIES,S1X5V000 SERIES,RX8130CE,RX-8025SA,S1C17M00 SERIES,S1D13709F00A,S1D13U11F00A,S1L5V014,S1V3*** SERIES,S1L5V253,S1L5V252,S1L5V013,S1D13L04F00A,S1L5V012,S1L5V254,S1D56220D0A0,S1L60833,S1L60834,S1D13515F00A,S1D56200D0A0,S1C31,S1D13L01F00A,S2R72A54F12E,S1X5V513,S1X5V514,S1C17100,S1D56570D0A0,S1C17589,S1L50000,S1D13A05B00B,S1V3G340F02A,RX8901CE,S1D13A04F00A,S1L5V482,S1X5V523,S1L50122,S1X5V524,S1L50123,S1L50124,S1L5V114,S1D13748F00A,S1L5V113,S1L60284,S2R72A**,S1L5V112,S1L60283,RX-4035LC,S1L61903,S1C17803,S1L61904,S1C17700 SERIES,RA8900CE,S1D13742F01A,RX4111CE,S1C31D00 SERIES,S1L61583,RA8000CE,RX8900SA,RX-8035SA,S1L61584,RX-4045NB,S1C17800,S1D13C00B00C,S1D14F61,S1D50000 SERIES,S2D13719F00A,S1L56684,RX8900CE,S1L56683,S1D13L03F00A,S1L56682,S1V30080F0*A,S1D50000,S1C31D41,RX-4571LC,S1D14F57,S1V3***,S1L61234,S1L61233,S1C17705,RX-8564LC,S1C31D00,S1L50552,S1L50553,S1L50554,S1C31D01,RX-4803SA,S1X60000,RA8803SA,S1L50000 SERIES,RX-8571SA,RX4901CE,S1L60593,S1D13L02F00A,S1L60594,S1C17703,S1C17702,S1C31W65,S1C17700,S2R72A42F12C,S1L52503,S1L52502,S1L52504,S2D13P04 SERIES,S1L51773,S1D13781F00A,S1L51772,S1L51774,S1D13748B00B,S1V30080F1*A,S1D13700F02A,S1D13A04B00B,S1X50000 SERIES,S1L60000,RX-4571NB,RX8010SJ,S1C31W74,S2D13P04B00B,RA-4565SA,S1D13C00,S1C31W73,S1D13L01F00A100,S1C17W15,S1C17W16,S1C17W18,S2D13***,S1C17F00,S1D56540D0A0,RX-4803LC,S1C17600,S1C17W12,S1C17W13,S1C17W14,S1L60000 SERIES,S1C17604,S1L62514,S1D13C00F00C,S1L62513,S1C17602,S1C17601,S1D13*** SERIES,S1C17W04,S1X50000,S1D56710D0A0,S1D13517F00A,S1D56520D0A0,S1D13743F00A,S1L58152,S1L58153,RX-4045SA,S1L58154,S1C17153,S1C17W00,S1C17W03,S1C17711,RX-8731LC,S1D13L** SERIES,S1D56730D0A0,S1L50753,S1L50754,S1L50992,S1L50993,S1L50752,S1L50994,S1C31D51,RX-4035SA,S1C31D50,S1C17600 SERIES,S1C17622,S1C17500,S1C17621,S1D14F00,S1C17W35,S1C17W36,S1D13719B00B,RX8111CE,S1C17624,S2R72A21F05E,S1L53354,S1L53352,S2S65P10F00A,S1L53353,S1D13***,S1X5V000,S2R72A43F12C,S5U1C17001H1200,S1C17W22,S1C17611,S1C17W23,RA4803SA,S2D13P04F00A,RX-8803SA,RX-8025NB,S1V3G340F01A,S1D13513F01A,S1L55064,S1L60093,S1C17M13,S1L60094,S1L5V044,S1C31W00 SERIES,S1L5V043,S1C17M10,S1C17M12,S1C31W00,S1C17100 SERIES,RX-4571SA,RX6110SA,S1D13706F00A,S2D13*** SERIES,S1L50063,S1L54422,S1L50064,S1V3G340F00A,S1C17800 SERIES,S1L50062,RX-8803LC,S1D56580D0A0,RX-8571NB,S1L54423,S1L54424,RX-8035LC,S1C17M02,S1C17M03,S1C17M00,S1C17M01,RA4000CE,S1X80000 SERIES,S1D13L**,S2R72A44F12C,S1C17M40,S1C17F63,RX8804CE,S1C17M31,S1C17M32,S1C17M33,S1C17M34,S1C17W00 SERIES,S1L51252,S1L50283,S1D56240D0A0,S2D13P04,S1L50284,S1L60404,S1L51254,S1C17500 SERIES,S1L51253,S1L50282,S1C17F57,S1L5V042,RX-8571LC,S1C17M30,S1X60000 SERIES,S1C17M24,S1C17M25,S1C17M20,S1C17651,S1C17M21,S1C17M22,S1X80000,S1C17M23,S1L55062,S1L55063,S1L60403,S1D14F00 SERIES,S1C17656

April 2022 - EPSON - 选型指南代理服务技术支持现货查询批量订货

RX6110SA REAL TIME CLOCK MODULE (SPI & I²C-Bus) Power Switching and Low current consumption

型号- X1B000232000100,RX6110SA

2024/5/22 - EPSON - 数据手册代理服务技术支持现货查询批量订货

内置32K晶体RTC优势分析

为了给客户提供高精度、高可靠性、具有多种接口、功能丰富的RTC 产品，EPSON为客户提供内置32k晶体的各种接口以及具有附加功能的RTC产品。

2019-07-23 - 设计经验代理服务技术支持现货查询批量订货

【应用笔记】Epson（爱普生） RX-8010SJ RTC设计指导

型号- RX-8010SJ,RX-8010,X1B000242000100,X1B000242000111

2013年09月10日 - EPSON - 应用笔记或设计指南代理服务技术支持现货查询批量订货

利用爱普生的RTC实时时钟模块+Panasonic电池实现系统级的低功耗

Epson的RTC模块优于具有单独Xtal的通用RTC，尤其适用于物联网和电源关键应用。以Epson的RX8111, RX4111, RX8010SJ 等为例，将RTC电路与32.768 kHz晶振集成到模块中。

2024-04-14 - 设计经验代理服务技术支持现货查询批量订货

【产品】Epson新品低功耗时钟模块（RTC），待机电流仅100nA | 视频

在2021年4年23日时钟专场|世强硬创新产品研讨会中，EPSON技术专家为我们带来了3225封装低功耗实时时钟模块（RTC）。最新推出的实时时钟模块（RTC）待机电流低至100nA，且内置32.768Khz晶体和匹配电容。

2023-11-17 - 产品代理服务技术支持现货查询批量订货

EPSON的实时时钟模块RX8010SJ具有丰富的定时功能及超低功耗特性，值得推荐用于需精准控制的项目中

温控器是用于控制温度的设备，目前市面上的温控器用于控制地暖空调、热水器、中央新风系统等设备。随着智能家居理念深入人心，人们也期望温控器不仅能控得“准”，还能控得“智能”。为了实现智能控制，温控器一般需要实时时钟模块的帮助，EPSON的RX8010SJ就是这样一款非常合适的实时时钟模块。

2023-10-22 - 产品代理服务技术支持现货查询批量订货

RX-8564LC : Q418564C2000100 REAL TIME CLOCK MODULE (I²C-Bus) Low current consumption

型号- RX-8564LC,Q418564C2000100

2023/12/15 - EPSON - 数据手册代理服务技术支持现货查询批量订货

展开更多

电子商城

Q41A88152000111

品牌：EPSON

品类：晶振

价格：

现货： 0

批量询价交期查询期货订购

Q13MC1461000600

品牌：EPSON

品类：晶振

价格：￥0.8608

现货： 381,789

购买样品申请批量询价交期查询

Q13MC1462000200

品牌：EPSON

品类：kHz Range Crystal unit

价格：￥1.0762

现货： 167,675

购买样品申请批量询价交期查询

X1B000242000100

品牌：EPSON

品类：Real Time Clock Module

价格：￥4.4811

现货： 98,003

购买样品申请批量询价交期查询

Q24FA20H0033800

品牌：EPSON

品类：MHz Range Crystal unit

价格：￥1.0762

现货： 95,798

购买样品申请批量询价交期查询

Q13FC1350000400

品牌：EPSON

品类：kHz Range Crystal unit

价格：￥1.2717

现货： 93,340

购买样品申请批量询价交期查询

X1A000121000600

品牌：EPSON

品类：kHz Range Crystal unit

价格：￥1.0762

现货： 90,982

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TDR/TDT阻抗测试

配备E5071C网络分析仪及软件工具，支持20 GHz 的带宽和 22.3ps上升时间，进行眼图测试、时域测量，通过时域反射给用户完成电缆、连接器、高速 PCB 走线和高速封装的设计与查错工作。支持到场/视频直播测试，资深专家全程指导。

实验室地址：深圳提交需求>

通用与车载ESD静电测试

测试等级：空气放电30KV±5%；接触放电30KV±5%，适用标准：GB/T 17626.2、IEC61000-4-2、ISO10605、GB/T 19951；给用户产品出电路保护设计方案建议及整改。点击预约，支持到场/视频直播测试，资深专家全程指导。

实验室地址：深圳/上海提交需求>

TDR/TDT阻抗测试

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通用与车载ESD静电测试

实验室地址：深圳/上海提交需求>

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