PCA9507 vs TCA9517DR 对比
详细并排对比 PCA9507 出自 NXP Semiconductors 和 TCA9517DR 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。
规格对比
| 参数 | PCA9507 | TCA9517DR |
|---|---|---|
| 品牌 | NXP Semiconductors | Texas Instruments |
| 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） | $0.69 | $0.53 |
| 功能 | 2-wire serial bus extender (I2C buffer/level shifter) | Level-translating I2C/SMBus bus buffer (repeater) |
| 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 | — |
| Number of Channels | 1 | 2 (SDA and SCL) |
| 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] | — |
| 工作温度 | [DATA_NEEDED: operating temperature range] | -40C to +85C |
| 封装 | 8-SO (SOIC-8) | SOIC-8 (D), 3.90 mm width |
| 安装类型 | Surface Mount | Surface Mount |
| 引脚数 | 8 | — |
| Rise Time Accelerator | Yes (bidirectional SDA/SCL accelerator) | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | Compliant (Green, no Sb/Br) |
| Moisture Sensitivity Level | [DATA_NEEDED: MSL level] | — |
| 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) |
| MSL 等级 | — | MSL 1 (260C unlimited) |
| ESD Protection | — | [DATA_NEEDED: ESD rating per datasheet] |