TCA9517DR vs PCA9507 对比
详细并排对比 TCA9517DR 出自 Texas Instruments 和 PCA9507 出自 NXP Semiconductors。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 | TCA9517DR | PCA9507 |
|---|---|---|
| 品牌 | Texas Instruments | NXP Semiconductors |
| 分类 | Interface ICs | Interface ICs |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $0.53 | $0.69 |
| 功能 | Level-translating I2C/SMBus bus buffer (repeater) | 2-wire serial bus extender (I2C buffer/level shifter) |
| Number of Channels | 2 (SDA and SCL) | 1 |
| VCCA Supply Range (A-side) | 0.9 V to 5.5 V | — |
| VCCB Supply Range (B-side) | 3.0 V to 5.5 V | — |
| Maximum Data Rate | 400 kHz (I2C Fast Mode) | — |
| Propagation Delay | 230 ns (max) | — |
| A-side Input Low Level | 0.3 x VCCA | — |
| Powered-Off High Impedance | Yes, on all pins | — |
| Direction Control | Not required (fully bidirectional) | — |
| 封装 | SOIC-8 (D), 3.90 mm width | 8-SO (SOIC-8) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C | [DATA_NEEDED: operating temperature range] |
| MSL 等级 | MSL 1 (260C unlimited) | — |
| RoHS 状态 | Compliant (Green, no Sb/Br) | [DATA_NEEDED: RoHS status] |
| ESD Protection | [DATA_NEEDED: ESD rating per datasheet] | — |
| Applications | — | HDMI DDC, I2C-bus, SMBus |
| Level Shift | — | 3.3 V to 5 V |
| Maximum Bus Length | — | 18 m |
| 数据速率 | — | 400 kHz |
| 电源电压 | — | [DATA_NEEDED: supply voltage range] |
| Input Voltage Logic Side | — | [DATA_NEEDED: logic-side voltage range] |
| 静态电流 | — | [DATA_NEEDED: quiescent current] |
| Output Current Drive | — | [DATA_NEEDED: output current drive] |
| 引脚数 | — | 8 |
| Rise Time Accelerator | — | Yes (bidirectional SDA/SCL accelerator) |
| Moisture Sensitivity Level | — | [DATA_NEEDED: MSL level] |