Key facts
- Brand
- STMicroelectronics
- Model
- M41T56
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-08-09
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DatasheetST M41T56 Serial real-time clock (RTC) with 56 bytes NVRAM handbook
ST M41T56 Serial real-time clock (RTC) with 56 bytes NVRAM handbook
Datasheet
The M41T56 is a 32 KHz serial real-time clock (RTC) with 56 bytes NVRAM
Read onlineSTMicroelectronics M41T56 specifications
| Supply voltage | 5 V ±10 % |
|---|---|
| Battery supply current | 450 nA |
| Operating current | 300 µA |
| Operating temperature | –40 °C to 85 °C |
| Memory size | 512 bits (64 × 8) |
| Oscillator frequency | 32.768 kHz |
| Data retention (battery backup) | >10 years with 50 mAh, 3 V lithium cell |
| Package options | 28‑lead SOIC and SNAPHAT® TOP |
Source: STMICROELECTRONICS M41T56 512 bit (64 bit x8) Serial Access TIMEKEEPER SRAM handbook
All STMicroelectronics M41T56 documents by type
Datasheet 2
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What supply voltage does the M41T56 require?
It operates from a 5 V supply with a tolerance of plus or minus 10 %.
From: STMICROELECTRONICS M41T56 512 bit (64 bit x8) Serial Access TIMEKEEPER SRAM handbook
How long can the M41T56 retain data with a lithium battery?
Data can be retained for more than 10 years when powered by a 50 mAh, 3 V lithium coin cell.
From: STMICROELECTRONICS M41T56 512 bit (64 bit x8) Serial Access TIMEKEEPER SRAM handbook