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The M41T00S is a low-power serial real-time clock (RTC) with a built-in 32.768 kHz oscillator (external crystal controlled). Eight bytes of the SRAM are used for the clock/calendar function and are configured in binary coded decimal (BCD) format. Addresses and data are transferred serially via a two line, bidirectional I2C interface. The built-in address register is incremented automatically after each WRITE or READ data byte.
The M41T00S has a built-in power sense circuit which detects power failures and automatically switches to the battery supply when a power failure occurs. The energy needed to sustain the clock operations can be supplied by a small lithium button supply when a power failure occurs. The eight clock address locations contain the century, year, month, date, day, hour, minute, and second in 24-hour BCD format. Corrections for 28, 29 (leap year - valid until year 2100), 30 and 31 day months are made automatically.
The M41T00S is supplied in an 8-pin SOIC.主要特性
- 2.0 to 5.5 V clock operating voltage
- Counters for seconds, minutes, hours, day, date, month, year, and century
- Software clock calibration
- Automatic switchover and deselect circuitry (fixed reference)
- VCC= 2.7 to 5.5 V 2.5 V ≤ VPFD≤ 2.7 V
- Serial interface supports I2C bus (400 kHz protocol)
- Low operating current of 300 μA
- Oscillator stop detection
- Battery or SuperCapTMbackup
- Operating temperature of –40 to 85 °C
- Ultra-low battery supply current of 0.6 μA
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EDA Symbols, Footprints and 3D Models
STMicroelectronics - M41T00S
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样片和购买
| 产品型号 | 从分销商订购 | 从ST订购 | 供货状态 | ECCN (US) | ECCN (EU) | 包装类型 | 封装 | 温度（ºC） | NVRAM size (B) | Country of Origin | Budgetary Price (US$)*/Qty | 更多信息 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 最小值 | 最大值 | |||||||||||||
| M41T00SM6F | 7 distributors | Free Sample Buy Direct |
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EAR99 | NEC | Tape And Reel | SO-8 | -40 | 85 | - | MOROCCO | 1.223 / 1k | ||
