DS3231M+ vs DS3231SN 对比
详细并排对比 DS3231M+ 出自 Maxim Integrated 和 DS3231SN# 出自 Maxim Integrated。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
规格对比
| 参数 | DS3231M+ | DS3231SN# |
|---|---|---|
| 品牌 | Maxim Integrated | Maxim Integrated |
| 分类 | Clock & Timing | Clock & Timing |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $1.82 | $0.00 |
| Product Type | I2C real-time clock and calendar IC | I2C real-time clock and calendar with integrated TCXO and crystal |
| Initial Accuracy | ±5 ppm | — |
| 工作电源电压 | 2.3 V to 5.5 V | — |
| I2C Bus Speed | 400 kHz | — |
| Timekeeping Format | Hours, minutes, seconds, day, date, month, and year in BCD | — |
| Oscillator Technology | Integrated MEMS resonator | — |
| Temperature Compensation | Integrated digital temperature compensation | — |
| Backup Battery Support | Yes | — |
| Alarm Functions | 2 programmable alarms | — |
| Square-Wave Output | Programmable | — |
| 接口 | I2C, 2-wire serial | — |
| 封装 | 16-pin SOIC, 7.50 mm width | 16-SOIC, 0.295 in body width, 7.50 mm |
| 安装类型 | Surface mount | Surface-mount |
| 工作温度范围 | [DATA_NEEDED: operating temperature range] | -40 °C to +85 °C |
| Battery Input Current | [DATA_NEEDED: backup battery current] | — |
| I2C Address | [DATA_NEEDED: I2C address] | — |
| RoHS Compliance | [DATA_NEEDED: RoHS compliance] | — |
| REACH Compliance | [DATA_NEEDED: REACH compliance] | — |
| Supply Voltage Range | — | 2.3 V to 5.5 V |
| Nominal Crystal Frequency | — | 0.0320 MHz (32.768 kHz) |
| Bus Interface | — | I2C, 2-wire serial |
| Timekeeping Function | — | Real-time clock and calendar |
| Oscillator | — | Integrated temperature-compensated crystal oscillator (TCXO) |
| Crystal | — | Integrated crystal |
| Communication Method | — | Two-wire serial interface |
| Device Classification | — | Clock/timing IC |
| Operating Supply | — | 2.3 V minimum; 5.5 V maximum |
| Temperature Coefficient Compensation | — | Temperature-compensated |
| Calendar Function | — | Supported |
| Battery-Backed Timekeeping | — | [DATA_NEEDED: battery-backed timekeeping specification] |
| I2C Pull-Up Requirement | — | [DATA_NEEDED: I2C pull-up resistor value] |
| Accuracy | — | [DATA_NEEDED: RTC accuracy specification] |
| Absolute Maximum Rating | — | [DATA_NEEDED: absolute maximum ratings] |
| RoHS 状态 | — | unknown |
| REACH Status | — | unknown |