DS1307+ vs BQ32000DR 对比
详细并排对比 DS1307+ 出自 Maxim Integrated 和 BQ32000DR 出自 Texas Instruments。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 | DS1307+ | BQ32000DR |
|---|---|---|
| 品牌 | Maxim Integrated | Texas Instruments |
| 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） | $0.00 | $0.98 |
| 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 | I2C, 2-wire, up to 400 kHz |
| 电源电压 | 5 V | — |
| External Timebase | 32.768 kHz crystal | — |
| End-of-Month Adjustment | Automatic | — |
| 封装 | 8-DIP (0.300 inch, 7.62 mm) | 8-SOIC (3.90 mm / 0.154 in body width) |
| 安装类型 | Through-hole | Surface Mount |
| 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] | — |
| RoHS 状态 | unknown | Compliant (Yes) |
| REACH Status | unknown | — |
| AEC-Q100 Qualification | unknown | — |
| 功能 | — | Serial Real-Time Clock (RTC) with battery backup and trickle charger |
| 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 |
| MSL 等级 | — | 1 (per PartGenie summary) |