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M41T81 |
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| Part Number | M41T81 |
| Manufacturer | STMicroelectronics (https://www.st.com/) |
| Description | The M41T81 is a low-power serial 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-... |
| Features |
For all new designs use M41T81S 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 ΜA (typ at 3 V) 2.0 to 5.5 V clock operating voltage Automatic switchover and deselect circuitry (for 3 V application select M41T81S datasheet) Power-down time stamp (HT bit) allowing determination of t... |
| Document |
 M41T81 Data Sheet
PDF 583.32KB |
| No. | Parte # | Fabricante | Descripción | Hoja de Datos |
|---|---|---|---|---|
| 1 | M41T80 |
ST Microelectronics |
SERIAL ACCESS RTC WITH ALARMS |
|
| 2 | M41T81S |
STMicroelectronics |
Serial access real-time clock |
|
| 3 | M41T82 |
ST Microelectronics |
Serial RTC |
|
| 4 | M41T83 |
ST Microelectronics |
Serial RTC |
|
| 5 | M41T0 |
ST Microelectronics |
Serial real-time clock |
|
| 6 | M41T00 |
ST Microelectronics |
serial real time clock |
|
Desde 2024. D4U Semiconductor.
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