DS1307N vs DS1307+ 对比
详细并排对比 DS1307N 出自 Analog Devices 和 DS1307+ 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 | DS1307N | DS1307+ |
|---|---|---|
| 品牌 | Analog Devices | Maxim Integrated |
| 分类 | Clock & Timing | Clock & Timing |
| 生命周期状态 | 有效 | 有效 |
| 功能 | Real-Time Clock (RTC) with 56 bytes NV SRAM | — |
| Time Format | HH:MM:SS (12/24 hr), YY-MM-DD-dd, BCD | — |
| Date Format | YY-MM-DD-dd | — |
| 存储容量 | 64 x 8 (56 bytes user NV SRAM + 8 bytes RTC registers) | — |
| 接口 | I2C, 2-Wire Serial | — |
| I2C Bus Frequency | 100 kHz (Standard) / 400 kHz (Fast-mode) | — |
| Supply Voltage (VCC) | 4.5 V to 5.5 V | — |
| Backup Battery Voltage (VBAT) | 2.0 V to 3.5 V (typ. 3 V coin cell) | — |
| Active Supply Current | 1.5 mA | — |
| Standby (Timekeeping) Current | 200 uA | — |
| Leap-Year Compensation | Valid up to year 2100 | — |
| Programmable Square-Wave Output | 1 Hz, 4.096 kHz, 8.192 kHz, 32.768 kHz | — |
| 工作温度 | 0C to +70C (commercial) | [DATA_NEEDED: operating temperature range] |
| 封装 | 8-DIP (PDIP-8, 0.300 inch / 7.62 mm) | 8-DIP (0.300 inch, 7.62 mm) |
| 安装类型 | Through-Hole | Through-hole |
| MSL 等级 | 1 (unlimited floor life) | — |
| RoHS 状态 | [DATA_NEEDED: lead-free/RoHS exact status] | unknown |
| Device Type | — | Serial real-time clock with nonvolatile SRAM |
| Register Organization | — | 64 x 8 |
| Clock/Calendar Data | — | Full BCD seconds, minutes, hours, day, date, month, and year |
| Nonvolatile SRAM | — | 56 bytes |
| Serial Interface | — | I2C, 2-wire, bidirectional |
| 电源电压 | — | 5 V |
| External Timebase | — | 32.768 kHz crystal |
| End-of-Month Adjustment | — | Automatic |
| I2C Address | — | 0x68 |
| Data Format | — | Binary-coded decimal (BCD) |
| 静态电流 | — | [DATA_NEEDED: quiescent current] |
| I2C Bus Speed | — | [DATA_NEEDED: I2C bus speed] |
| Crystal Load | — | [DATA_NEEDED: crystal load capacitance] |
| Battery-Backed Operation | — | [DATA_NEEDED: battery-backed supply current] |
| REACH Status | — | unknown |
| AEC-Q100 Qualification | — | unknown |