PCA9545ADGVRG4 vs PCA9518DW 对比
详细并排对比 PCA9545ADGVRG4 出自 Texas Instruments 和 PCA9518DW 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
PCA9545ADGVRG4 - 4-Ch I2C/SMBus Mux, 20-TVSOP | Texas Instruments
PCA9545ADGVRG4 ✓ 量产中
规格对比
| 参数 | PCA9545ADGVRG4 | PCA9518DW |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Logic ICs | Interface ICs |
| 生命周期状态 | 有效 | 有效 |
| 功能 | 4-Channel I2C and SMBus Multiplexer / Switch | — |
| Number of Channels | 4 | — |
| 接口 | I2C, SMBus | — |
| Nominal Supply Voltage | 2.5 V | — |
| I/O Tolerance | 5.5 V tolerant (all I/O pins) | — |
| Pass-Gate Voltage | 2.5 V nominal | — |
| Address Pins | A0, A1 (programmable slave address) | — |
| Reset Input | /RESET (hardware reset) | — |
| Interrupt Inputs | 4 (/INT0 to /INT3, open-drain) | — |
| Terminations | 20 | — |
| 封装 | 20-TFSOP / TVSOP (0.173 in, 4.40 mm width, 0.4 mm pitch) | 20-SOIC (0.295 inch, 7.50 mm width) |
| 安装类型 | Surface Mount | Surface mount |
| Package Shape | Rectangular | — |
| Datasheet Pages | 37 | — |
| 工作温度 | [DATA_NEEDED: operating temperature range] | — |
| Supply Voltage Range | [DATA_NEEDED: full supply voltage range] | 3 V to 3.6 V |
| RoHS 状态 | [DATA_NEEDED: RoHS compliance status] | [DATA_NEEDED: RoHS status] |
| Device Type | — | Expandable five-channel bidirectional I2C/SMBus buffer hub |
| Number of Downstream Channels | — | 5 channels |
| Maximum I2C Bus Frequency | — | 400 kHz |
| Protocol Support | — | I2C and SMBus |
| Signal Direction | — | Bidirectional |
| Maximum Bus Capacitance per Group | — | 400 pF |
| Bus Segmentation | — | Buffered SDA and SCL groups separated from the upstream bus |
| 分类 | — | Interface ICs - I/O expanders |
| 引脚数 | — | 20 pins |
| 工作温度范围 | — | [DATA_NEEDED: operating temperature range] |
| Propagation Delay | — | [DATA_NEEDED: propagation delay] |
| 静态电流 | — | [DATA_NEEDED: quiescent current] |
| Input High Voltage | — | [DATA_NEEDED: input high-voltage threshold] |
| Input Low Voltage | — | [DATA_NEEDED: input low-voltage threshold] |
| Output High Voltage | — | [DATA_NEEDED: output high voltage] |
| Output Low Voltage | — | [DATA_NEEDED: output low voltage] |
| I2C Address | — | [DATA_NEEDED: I2C address] |
| REACH Status | — | [DATA_NEEDED: REACH status] |
| AEC-Q100 Qualification | — | [DATA_NEEDED: AEC-Q100 qualification status] |