BQ32000DR vs DS1307+ 对比
详细并排对比 BQ32000DR 出自 Texas Instruments 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。
Texas Instruments
BQ32000DR - Serial RTC with Battery Backup, I2C, 8-SOIC | Texas Instruments
BQ32000DR ✓ 量产中
规格对比
| 参数 | BQ32000DR | DS1307+ |
|---|---|---|
| 品牌 | Texas Instruments | Maxim Integrated |
| 分类 | Clock & Timing | Clock & Timing |
| 生命周期状态 | 有效 | 有效 |
| 功能 | Serial Real-Time Clock (RTC) with battery backup and trickle charger | — |
| Serial Interface | I2C, 2-wire, up to 400 kHz | I2C, 2-wire, bidirectional |
| Operating Supply Voltage (VCC) | 3.0 V to 3.6 V | — |
| Backup Supply Voltage | 1.3 V to 4.0 V (capacitor or non-rechargeable battery) | — |
| Backup Supply Current | [DATA_NEEDED: typical nA-level RTC backup current] | — |
| Crystal Frequency | 32.768 kHz | — |
| Calibration Adjustment Range | -63 ppm to +126 ppm (programmable) | — |
| Time Format | HH:MM:SS, day-of-week, day, month, year (BCD) | — |
| Oscillator-Fail Detection | Yes (OF flag in status register) | — |
| Backup Switchover | Automatic, integrated trickle charger | — |
| 工作温度范围 | -40 C to +85 C | — |
| 封装 | 8-SOIC (3.90 mm / 0.154 in body width) | 8-DIP (0.300 inch, 7.62 mm) |
| 安装类型 | Surface Mount | Through-hole |
| MSL 等级 | 1 (per PartGenie summary) | — |
| RoHS 状态 | Compliant (Yes) | 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 |
| 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) |
| 工作温度 | — | [DATA_NEEDED: operating temperature range] |
| 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 |