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参数资料
| 型号： | M41T81M6E |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | 1 TIMER(S), REAL TIME CLOCK, PDSO8 |
| 封装： | 0.150 INCH, LEAD FREE, PLASTIC, SOIC-8 |
| 文件页数： | 1/29页 |
| 文件大小： | 454K |
| 代理商： | M41T81M6E |
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Not recommended for new design
This is information on a product still in production but not recommended for new designs.
June 2010
Doc ID 7529 Rev 10
1
M41T81
Serial access real-time clock with alarm
Features
■ For all new designs other than automotive, use
M41T81S (contact the ST sales office for
automotive grade)
■ Counters for tenths/hundredths of seconds,
seconds, minutes, hours, day, date, month,
year, and century
■ 32 KHz crystal oscillator integrating load
capacitance (12.5 pF) providing exceptional
oscillator stability and high crystal series
resistance operation
■ Serial interface supports I2C bus (400 kHz
protocol)
■ Ultra-low battery supply current of 0.6 A
(typ at 3 V)
■ 2.0 to 5.5 V clock operating voltage
■ Automatic switch-over and deselect circuitry
(for 3 V application select M41T81S datasheet)
■ Power-down time stamp (HT bit) allowing
determination of time elapsed in battery
backup
■ Programmable alarm and interrupt function
(valid even during battery backup mode)
■ Accurate programmable watchdog timer (from
62.5 ms to 128 s)
■ Software clock calibration to compensate
crystal deviation due to temperature
■ Operating temperature of –40 to 85 °C
■ ECOPACK package available
8
1
SO8 (M)
8-pin SOIC
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M41T81M6F | 功能描述:实时时钟 Serial 512 (64x8) RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| M41T81M6F-CUT TAPE | 制造商:ST 功能描述:M41T Series 2 V Serial I2C Real Time Clock with Alarm - SOIC-8 |
| M41T81M6TR | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Serial Access Real-Time Clock with Alarms |
| M41T81MX | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:SERIAL ACCESS RTC WITH ALARMS |
| M41T81MX6 | 功能描述:实时时钟 Serial 512 (64x8) RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
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