【产品】带56字节RAM的I²C串行实时时钟芯片DS1307,工业温度范围为-40℃至+85℃
DS1307是一款低功耗、带 56 个字节用户非易失性 SRAM(NV SRAM)、全BCD码的时钟/日历电路(串行实时时钟芯片)。地址和数据通过串行 I2C 总线传递。时钟/日历提供秒、分、小时、周、日、月和年信息。对小于31 天的月,月末的日期自动进行调整,还具有闰年校正的功能。时钟可以工作在24 小时格式或带 AM/PM 标志的12小时格式。 DS1307有一个内置的电压判断电路,具有检测电源掉电功能,在电源掉电时,可自动切换到由备用电源(电池)供电。
特征
●基于32.768 kHz 的石英晶体,可对秒,分,时, 日,月,周以及带闰年补偿的年进行计数
●带备用电池的 56 字节非易失性 RAM
●I²C 串行总线接口
●可编程方波输出
●自动掉电检测及电源切换电路
●电池供电下,振荡器工作时的消耗小于 500nA
●可选的工业温度范围:-40℃至+85℃
●封装形式:DIP8 和 SOP8
应用
●付费率电度表、IC卡水表、IC 卡煤气表
●移动电话
●便携仪器
●传真机
●电池电源产品
●电视机
订购信息
方框图和管脚功能
方框图
管脚图
管脚说明
绝对最大额定值
推荐直流工作条件
直流电气特性
交流电气特性
注:1、VCC,SDA 和 SCL 都为 5.0V。
2、VCC=0V,VBAT=3V。
3、该周期之后,将产生第一个时钟脉冲。
4、器件内部必须提供一个至少 300ns 的 SDA 信号保持时间(参考 SCL 信号的 VIHMIN),以跳过 SCL 下降边沿的未定义区域。
5、最大 tHDDAT 只适用于器件 SCL 信号的 LOW 周期(tLOW)没有变宽的情况。
6、CB — 一个总线上的电容总和(pF)。
7、ICCA— SCL 为最大频率,即 100kHz。
8、VBAT=3.0V 时的 VPF。
时 序
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本文由发条橙子啦转载自华冠半导体,原文标题为:DS1307带56字节RAM的I²C串行实时时钟芯片,本站所有转载文章系出于传递更多信息之目的,且明确注明来源,不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。
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目录- 公司简介 MOS管/比较器/存储器电路/达林顿阵列 电源管理电路 低压差稳压器 线性稳压/通用接口电路 驱动/音频电路 运算放大器/时基与时钟/逻辑电路&其他电路 微处理器 运放 接口 半导体器件概览
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广东华冠半导体有限公司公司简介
描述- 广东华冠半导体有限公司是一家专注于半导体器件研发、封装、测试和销售的高新技术企业。公司拥有先进的半导体分立器件和集成电路封装测试生产线,与多家国际一流企业建立战略合作关系。产品涵盖SOP、TO、DIP等多种封装形式,年生产规模超过10亿只,符合欧盟RoHS和REACH环保标准。公司注重技术创新,拥有多项专利和认证,产品广泛应用于多个领域。
型号- DS1302,TEA2025,HG7189,LM3916,DS1307,CD4069,IRF830,LM3915,LM3914,CD4075,CD4073,TL494,NE556,NE555,CD4078,CD4077,HGC5615,24C128,75N08,CD4071,KA7500,CD4070,FCF8563,74HC4067,LM432,HG2981,LM431,HG2980,LM2954,LM555,74HC32,74HC595,HG34C86,HG34C87,CD4068,CD4067,CD4066,74HC238,MC34119,MC34118,24C256,CD4060,MAX6576,LM4580,74HC00,HG202,IRF730,74HC03,HG7169,74HC02,CD4528,HG3480,70N06,74HC04,74HC07,CD4520,LM386-1,CD4094,LM1084,LM1085,LM1086,74HC4046,CD4093,20N60,HG335,HG1990,IRF840,74HC14,CD4518,HG1991,CD4517,HG7179,LM1881,24C64,CD4511,H3085,HG18B20,74HC573,HGC5620,74HC574,LF347,LM29302,74HC4053,74HC08,74HC4051,74HC4052,CD4081,HG1621,ZNBG4000,LP2951,LMV321,LP2950,CD4543,ICL8038,HG8F629,HG8F628,HG2803,HGC2543,LF398,HGC2549,HG2003,LM29150,HG2004,LM4250,HG13085,HG3232,HG235,IRF740,HG232,LM358,3N80,CD4538,CD4541,82N06,HG8F630,HG8F873,24C32,AD590,20N50,74HC273,LM321,HG485,LM324,LM567,4N60,13N50,MC1403,LM317M,24C08,LM317L,74HC123,74HC244,74HC245,HG8F887,74HC125,HG8F883,LM317T,24C02,24C01,24C04,LM7660,LM331,HG135,LM336,LM78L12,LM78L15,74HC132,74HC374,LM29502,CD4562,74HC138,74HC139,24C16,74HC373,HG3421,HG3420,CD40106,LP2997,LP3965,LP2996,LP2995,11N90,12N60,LM78L05,LM78L06,MC3845,LM78L08,LM78L09,MC3842,LMV358,93C06,MC3844,MC3843,TDA2822,9N90,LM385,LM78M12,TDA2030,75N75,LM78M15,HG8F676,HG8F675,LM4860,74HC192,HG3423,HG1487,HG3422,LM1117,LM4862,LM4861,LM4863,ZNBG3211,74HC86,CD4007,LM78M05,74HC165,LM78M06,TL072,TDA2003,LM78M08,LM78M09,CD4013,CD4011,TL074,LM4990,50N06,28N60,HG8F683,LM4871,HG8F684,74HC164,HGC1549,HG298,LM2575,HG297,LM2576,HGC1543,74HC94,74HC93,MC34063,LM7905,TL082,LM809,CD4001,TL084,HG293,24C512,LM7915,LM741,LM7912,LM2904,CD4028,CD4027,CD4025,OP07,LM2901,10N80,LM2903,74HC540,74HC541,LM2909,LM4890,LM7805,LM7924,LM2596,CD4017,CD4015,LM7809,74HC74,LM7808,LM7806,CD4020,TL064,CD4024,CD4023,TL062,CD4022,10N60,LM7815,HG56,ZNBG6000,LM7812,74HCU04,CD4049,CD4053,CD4052,93C66,CD4051,CD4050,HG2623,HG2982,HG2985,HG2621,HG2622,LM4558,74LVC1G04,7N60,50N50,93C56,CD4040,CD4046,74HC533,74HC534,LM4560
DS1307 带56字节RAM的I2C串行实时时钟芯片
描述- DS1307是一款低功耗、带56字节用户非易失性SRAM的时钟/日历电路,具备I2C串行总线接口和可编程方波输出。该芯片基于32.768 kHz石英晶体,能够精确计秒、分、时、日、月、周以及带闰年补偿的年。它还包含自动掉电检测及电源切换电路,适用于多种电子设备。
型号- DS1307ZMM/TR,DS1307N,DS1307ZM/TR,DS1307M/TR,DS1307Z,DS1307,DS1307ZN,DS1307MM/TR
HT1380/HT1381串行时钟芯片
描述- HT1380/HT1381是一款串行时间保持芯片,提供秒、分、时、日、日期、月和年信息,具有低功耗、两种数据传输模式(单字节或突发模式)和串行I/O传输功能。适用于微计算机串行时钟和时钟日历。
型号- HT1381,HT1380,HT1380N,HT1381M/TR
GC1307 64 x 8、串行 I²C 实时时钟
描述- GC1307是一款低功耗、十六进制编码的串行I²C实时时钟(RTC),具备56字节非易失性RAM。它支持秒、分、时、星期、日、月和年信息,并能自动调整月末日期和闰年修正。内置电源检测电路,可在主电源失效时切换到备用电源。
型号- GC1307
DS1307带56字节RAM的I²C串行实时时钟芯片
描述- DS1307是一款低功耗的I2C串行实时时钟芯片,具备56字节的非易失性RAM。它采用32.768kHz石英晶体振荡器,能够精确计秒、分、时、日、月、年和闰年。芯片具有备用电池供电功能,可在断电情况下维持时间记录。此外,DS1307还提供了方波输出、自动掉电检测和电源切换等功能。
型号- DS1307N,DS1307ZM/TR,DS1307M/TR,DS1307,DS1307ZN
MS85163/MS85163M实时时钟和日历电路
描述- MS85163/MS85163M是一款低功耗的CMOS实时时钟(RTC)和日历电路,具有年、月、日、周工作日、小时、分钟和秒等功能,支持世纪标记,工作电压范围宽,提供闹钟和定时功能,适用于移动电话、便携式仪器、电子计量和电池供电产品等领域。
型号- MS85163M,MS85163
电子商城
现货市场
服务
测试范围:扬兴晶振全系列晶体,通过对晶体回路匹配分析,调整频率、驱动功率和起振能力,解决频偏、不起振、干扰、频率错误等问题。技术专家免费分析,测完如有问题,会进一步晶振烧录/修改电路。
实验室地址: 深圳 提交需求>
根据用户的接口模块,使用是德示波器及夹具查看实时眼图演示,测试USB/MIPI/DDR/SATA/HDMI协议,支持最高到1.2GHz的实时眼图协议测试。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>
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