M41T83 real time clock 系列
STMicroelectronics N.V.基于I2C的实时时钟，带有日历、闹钟和电池备份
STMicroelectronics的M41T83系列是一款基于I2C的坚固型实时时钟（RTC），具有日历功能、闹钟和电池备份。这些设备常用于需要精确时间保持和事件调度的嵌入式系统中。如果您正在从事任何需要精确计时和日期跟踪的项目，这些RTC是理想的选择。
值得一提的是其可靠性。它们在宽温范围内提供出色的准确性，并内置了温度补偿晶体振荡器（TCXO），即使在环境条件变化的情况下也能保持时间准确性。当工程师需要一个稳定可靠的RTC，且能在长时间运行中显著漂移时，往往会选用这种RTC。
另一个实际应用是在需要保持系统时钟的电池供电设备中。M41T83系列具有内部备用电池，即使主电源断开时也能保持时钟运行，确保您的系统始终知道当前时间。这对于物联网设备、可穿戴设备和其他电池供电的小工具尤为重要，因为保持时间对于功能性和用户体验至关重要。
系列图片（11 张）
文档与媒体
常见问答
M41T83 real time clock - 型号列表
共 10 个型号| 制造商零件编号 | 库存 | 价格 | 产品类别 | 标准包装数量 | RAM 大小 | 供电电压 | 封装形式 | 功能 | 日期格式 | 时间格式 | 总线连接 | 工作温度 | 工厂包装数量 | 标准封装名称 | RoHS | 欧盟RoHS | 存储器 | 接口 | 存储器容量 | 额定电压 | 最小供电电压 | 电池供电电压 | 共模瞬态抗扰度（最小） | 包装方式 | 安装类型 | 安装样式 | 包装数量 | 位数 | 供应商器件封装 | 类型 | 产品特性 | 其他名称 | 冷却的封装 | 产品 | 系列 | 制造商全称 | 电池系列 | 宽度 | 高度 | 长度 | 尺寸/外形 | 可编程特性 | 机械寿命 | 端接方式 | 连接器用途 | 主要用途 | 显示单位 | 最小起订量 | 单位包装 | 汽车级 | 无铅定义 | 数据速率 | 晶体AR（增透膜） | 最大功率 | 最小输入电压 | 匹配码 | 标准交期 | 抗辐射加固 | 已删除 | 结工作温度 | 总长度 | 外壳尺寸-插件 | 印刷电路板数量 | SVHC | 海关税号 | 输出数量 | 重量 | 引脚数 | 材料表面处理 | 格式 | 基本单元 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 Real Time Clock Serial 32Byte 18-Pin SOX T/R IC RTC SERIAL W/BATT SW SOX18 Real Time Clock Serial I2C bus RTC IC RTC CLK/CALENDAR I2C 18-SOX stmicroelectronics | 41 | 1: ¥47.6385 | Real Time Clock | Tape & Reel | 32 byte | 3.3|5 V | 18SOX | Clock/Calendar/Alarm/Timer/Interrupt | DW:DM:M:Y | HH:MM:SS:hh | Serial (2-Wire, I2C) | -40 to 85 °C | 1000 | SOX | Lead free / RoHS Compliant | Compliant | 32 B | I²C, 2-Wire Serial | 7B | 3 | 5.5 | 2 V ~ 5.5 V | Industrial | Tape and Reel | Surface Mount | SMD/SMT | SOX | 18 | 18-SOX | Clock/Calendar | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 497-6886-1 | - | Real Time Clocks | M41T83 | STMicroelectronics | Backup Switching | - | - | - | - | - | - | - | I²C, 2-Wire Serial | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | YY-MM-DD-dd | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
 Real Time Clock Serial I2C bus RTC Real Time Clock Serial 32Byte 18-Pin SOX Tube IC RTC SERIAL W/BATT SW SOX18 M41T83RMY6E, Real Time Clock, Alarm, Calendar, Clock, 32B RAM, I2C, 2.7 to 5.5V, 18-Pin SOX STMicroelectronics | 10 | 1: ¥17.816 | Real Time Clock | 44 | 32B | 5.5 V | SOX | Clock, Calendar, Alarm, Timer Interrupt | DW:DM:M:Y | HH:MM:SS:hh | Serial (2-Wire, I2C) | + 85 C | 44 | SOX | RoHS Compliant | Compliant | 32 B | Serial | 7B | 2.7 V | 5.5 V | 2 V ~ 5.5 V | Industrial | Tray | Surface Mount | SMD/SMT | SOX | 18 | 18-SOX | Clock/Calendar | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | - | SOX | - | - | - | - | 7.62mm | 2.34mm | 11.61mm | 11.61 x 7.62 x 2.34mm | Alarm, Battery Backup, Calendar, Clock, Reset Output Circuitry, Switch Over, Watchdog Timer | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
 Real Time Clock Serial I2C bus RTC Real Time Clock Serial 32Byte 18-Pin SOX Tube IC RTC SERIAL W/BATT SW SOX18 M41T83SMY6E, Real Time Clock, Alarm, Calendar, Clock, 32B RAM, I2C, 3 to 5.5V, 18-Pin SOX STMicroelectronics | 10 | 1: ¥16.048 | Real Time Clock | 44 | 32B | 5.5 V | SOX | Clock, Calendar, Alarm, Timer Interrupt | DW:DM:M:Y | HH:MM:SS:hh | Serial (2-Wire, I2C) | + 85 C | 44 | SOX | RoHS Compliant | Compliant | 32 B | Serial | 7B | 3 V | 5.5 V | 2 V ~ 5.5 V | Industrial | Tray | Surface Mount | SMD/SMT | SOX | 18 | 18-SOX | Clock/Calendar | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | - | SOX | - | - | - | - | 7.62mm | 2.34mm | 11.61mm | 11.61 x 7.62 x 2.34mm | Alarm, Battery Backup, Calendar, Clock, Reset Output Circuitry, Switch Over, Watchdog Timer | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 11.61 | 2.34 | 18 | - | - | - | - | - | - | - | - |
Real Time Clock Serial I2C bus RTC Real Time Clock Serial 32Byte 18-Pin SOX Tube IC RTC SERIAL W/BATT SW SOX18 M41T83ZMY6E, Real Time Clock, Alarm, Calendar, Clock, 32B RAM, I2C, 2.38 to 5.5V, 18-Pin SOX STMicroelectronics | 10 | 1: ¥17.816 | Real Time Clock | 44 | 32B | 5.5 V | SOX | Clock, Calendar, Alarm, Timer Interrupt | DW:DM:M:Y | HH:MM:SS:hh | Serial (2-Wire, I2C) | + 85 C | 44 | SOX | RoHS Compliant | Compliant | 32 B | Serial | 7B | 2.38 V | 5.5 V | 2 V ~ 5.5 V | Industrial | Tray | Surface Mount | SMD/SMT | SOX | 18 | 18-SOX | Clock/Calendar | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | - | SOX | - | - | - | - | 7.62mm | 2.34mm | 11.61mm | 11.61 x 7.62 x 2.34mm | Alarm, Battery Backup, Calendar, Clock, Reset Output Circuitry, Switch Over, Watchdog Timer | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
 Real Time Clock Serial 32Byte 16-Pin VFQFPN T/R IC RTC SERIAL W/BATT SW 16QFN IC RTC SERIAL W/BATT SW 16-QFN Real Time Clock Serial I2C bus RTC stmicroelectronics | 10 | 1: ¥49.812 | Real Time Clock | Tape & Reel | 32 byte | 2.5|3.3|5 V | 16VFQFPN | Clock/Calendar/Alarm/Timer/Interrupt | DW:DM:M:Y | HH:MM:SS:hh | Serial (2-Wire, I2C) | -40 to 85 °C | 1000 | QFN | Lead free / RoHS Compliant | Compliant | 32 B | I²C, 2-Wire Serial | 7B | 2.38 | 5.5 | 2 V ~ 5.5 V | Industrial | Tape and Reel | Surface Mount | SMD/SMT | VFQFPN | 16 | 16-QFN (4x4) | RTC | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 497-6889-1 | - | - | - | - | - | - | - | - | - | - | - | -40°C | - | - | - | 1000 | 1000 | NO | RoHS-conform | I2C | YES | 85°C | 2.38V | M41T83ZQA6F | 15 weeks | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Real Time Clock Serial 32Byte 16-Pin VFQFPN T/R IC RTC SERIAL W/BATT SW 16QFN IC RTC SERIAL W/BATT SW 16-QFN Real Time Clock Serial I2C bus RTC IC, RTC I2C BUS, SMD, QFN-16 IC RTC CLK/CALENDAR I2C 16-QFN 实时时钟 (RTC), 实时时钟功能, 32B RAM, I2C总线, 3 → 5.5 V电源, 16针 QFN封装 stmicroelectronics | 823 | 1: ¥21.8085 | Real Time Clock | Tape & Reel | 32 byte | 3.3|5 V | 16VFQFPN | Clock/Calendar/Alarm/Timer/Interrupt | DW:DM:M:Y | HH:MM:SS:hh | Serial (2-Wire, I2C) | -40 to 85 °C | 1000 | QFN | Lead free / RoHS Compliant | Compliant | 32 B | I²C, 2-Wire Serial | 7B | 3 | 5.5 | 2 V ~ 5.5 V | Industrial | Tape and Reel | Surface Mount | SMD/SMT | VFQFPN | 16 | 16-QFN (4x4) | Clock/Calendar | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 497-6887-1 | - | - | - | - | - | - | - | - | - | - | - | :SMD | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | :No SVHC (20-Jun-2013) | 85423190 | :5 | 0.0002 | :16 | :- | :12Hr / 24Hr | :41 |
Real Time Clock Serial 32Byte 18-Pin SOX T/R IC RTC SERIAL W/BATT SW SOX18 Real Time Clock Serial I2C bus RTC IC RTC CLK/CALENDAR I2C 18-SOX stmicroelectronics | 1000 | 1000: ¥30.1929 | Real Time Clock | Tape & Reel | 32 byte | 2.5|3.3|5 V | 18SOX | Clock/Calendar/Alarm/Timer/Interrupt | DW:DM:M:Y | HH:MM:SS:hh | Serial (2-Wire, I2C) | -40 to 85 °C | 1000 | SOX | Lead free / RoHS Compliant | Compliant | 32 B | I²C, 2-Wire Serial | 7B | 2.38 | 5.5 V | 2 V ~ 5.5 V | Industrial | Tape and Reel | Surface Mount | SMD/SMT | SOX | 18 | 18-SOX | Clock/Calendar | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 497-6888-1 | SOX | Real Time Clocks | M41T83 | STMicroelectronics | Backup Switching | - | - | - | - | - | - | - | I²C, 2-Wire Serial | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | YY-MM-DD-dd | - | - | - | - | - | - | - | - | - | - | No | Compliant | 85C | - | - | - | - | - | - | - | - | - | - | - |
.jpg){kind=small} Real Time Clock Serial 32Byte 16-Pin VFQFPN T/R IC RTC SER BATT SWITCH 16-VFQFPN Real Time Clock Battery Swtchovr-RTC stmicroelectronics | 11 | 1: ¥19.2675 | Real Time Clock | Cut Tape | 32 byte | 3.3|5 V | 16VFQFPN | Clock/Calendar/Alarm/Timer/Interrupt | DW:DM:M:Y | HH:MM:SS:hh | Serial (2-Wire, I2C) | -40 to 85 °C | 1000 | QFN | Lead free / RoHS Compliant | Compliant | 32 B | I²C, 2-Wire Serial | 7B | 2.7 | 5.5 | 2 V ~ 5.5 V | Industrial | Tape and Reel | Surface Mount | SMD/SMT | VFQFPN | 16 | 16-QFN (4x4) | Clock/Calendar | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 497-5914-2 | - | Real Time Clocks | M41T83 | STMicroelectronics | Backup Switching | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Real Time Clock Serial I2C bus RTC Real Time Clock Serial 32Byte 18-Pin SOX T/R IC RTC SERIAL W/BATT SW SOX18 STMicroelectronics | 1690 | 1: ¥25.228 | Real Time Clock | 1,000 | 32 B | 2.7 V ~ 5.5 V | SOX18 | Clock, Calendar, Alarm, Timer Interrupt | DW:DM:M:Y | HH:MM:SS:hh | Serial (2-Wire, I2C) | -40°C ~ 85°C | 1000 | SOX | Lead free / RoHS Compliant | Compliant | 32 B | I²C, 2-Wire Serial | 7B | 2.7 | 2.7 V | 2 V ~ 5.5 V | Industrial | Tape and Reel | Surface Mount | SMD/SMT | SOX | 18 | 18-SOX | RTC | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 497-6885-1 | SOX | - | - | - | - | - | - | - | - | - | - | -40°C | - | - | - | 1000 | 1000 | NO | RoHS-conform | I2C | YES | 85°C | 2.7V | M41T83RMY6F | 15 weeks | No | Compliant | 85C | - | - | - | - | - | - | - | - | - | - | - |
 | 0 | - | Cut Tape | 32 byte | 3.3|5 V | 18SOX | Clock/Calendar/Alarm/Timer/Interrupt | DW:DM:M:Y | HH:MM:SS:hh | Serial (2-Wire, I2C) | -40 to 85 °C | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |