Key facts
- Brand
- Maxim
- Model
- DS3231M
- Industry
- Industrial
- Documents
- 2
- Languages
- ZH
- Last added
- 2012-04-11
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Maxim DS3231M RTC Datasheet
The DS3231M is a low‑cost, high‑accuracy I²C real‑time clock (RTC) that includes a MEMS temperature sensor for compensation. It provides time and calendar data, 1 Hz and 32.768 kHz outputs, and a programmable square‑wave output. The device operates from 2.3 V to 5.5 V and works over a wide temperature range.
The document contains absolute maximum ratings, recommended operating conditions, detailed electrical characteristics, pin descriptions, and package information. It also lists typical current consumption for active and standby modes and timing parameters for the I²C interface. This manual is written in Chinese.
Maxim DS3231M specifications
| Supply Voltage (VCC) | +2.3 V to +5.5 V |
|---|---|
| Frequency Accuracy | ±0.432 seconds/day |
| I²C Clock Frequency (Fast Mode) | 400 kHz max |
| Active Supply Current | 200 µA (typical) |
All Maxim DS3231M documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What supply voltage does the DS3231M require?
It can be powered from 2.3 V to 5.5 V.
How accurate is the DS3231M’s timekeeping?
The timekeeping accuracy is ±0.432 seconds per day.
What supply voltage does the DS3231M require?
The device requires a supply voltage between +2.3 V and +5.5 V.
What is the maximum I²C clock frequency for the DS3231M?
The I²C interface supports up to 400 kHz in fast‑mode operation.