PCA9508D,118 vs TCA9517DR 对比
详细并排对比 PCA9508D,118 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 | PCA9508D,118 | 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） | $0.72 | $0.53 |
| 功能 | Hot-swappable level translating I2C-bus repeater / buffer | Level-translating I2C/SMBus bus buffer (repeater) |
| 通道数 | 1 channel (SDA/SCL pair, bidirectional) | — |
| A-side (Low) Voltage Range | 0.9 V to VCC(A) max [DATA_NEEDED: A-side maximum voltage] | — |
| B-side (High) Voltage Range | 2.7 V to 5.5 V | — |
| Maximum Bus Frequency | 400 kHz (I2C fast mode) | — |
| Supported Buses | I2C-bus, SMBus | — |
| Voltage Offset | Zero static voltage offset | — |
| Hot-Swap Support | Yes (drivers enabled only when bus idle, VCC(A) > 0.8 V, VCC(B) > 2.5 V) | — |
| 使能引脚 | Yes (EN, system controlled) | — |
| Technology | CMOS | — |
| 封装 | SO-8 (SOP, 3.90 mm, SOT96-1, MS-012) | SOIC-8 (D), 3.90 mm width |
| Pins | 8 | — |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | [DATA_NEEDED: operating temperature range] | -40C to +85C |
| 电源电流 | [DATA_NEEDED: supply current] | — |
| Packaging Suffix | 118 = Tape & Reel | — |
| Number of Channels | — | 2 (SDA and SCL) |
| 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) |
| RoHS 状态 | — | Compliant (Green, no Sb/Br) |
| ESD Protection | — | [DATA_NEEDED: ESD rating per datasheet] |