PCA9544ARGYR vs PCA9544AD 对比
详细并排对比 PCA9544ARGYR 出自 Texas Instruments 和 PCA9544AD 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 | PCA9544ARGYR | PCA9544AD |
|---|---|---|
| 品牌 | Texas Instruments | NXP Semiconductors |
| 分类 | Logic ICs | Interface ICs |
| 生命周期状态 | 有效 | 停产 |
| 功能 | 4-channel I2C/SMBus multiplexer with interrupt logic | — |
| Number of Channels | 4 | — |
| Supply Voltage Range | 2.3 V to 5.5 V | — |
| Bus Type | I2C and SMBus compatible | — |
| Voltage Translation | Yes, bidirectional translating switches | — |
| Interrupt Inputs | 4 (active-low) | — |
| Interrupt Output | 1 (active-low, open-drain) | — |
| Address Pins | 3 (A0, A1, A2), up to 8 devices per bus | — |
| 工作温度 | -40C to +85C | — |
| 封装 | VQFN-20 (RGY), 3.5 mm x 4.5 mm | 20-SO |
| 安装类型 | Surface Mount | Surface Mount |
| Maximum Power Dissipation | 400 mW | 400 mW for the documented PCA9544APW,112 comparison variant |
| Power-On Reset | Yes, all channels deselected at power-up | — |
| RoHS 状态 | Compliant | [DATA_NEEDED: RoHS status] |
| 电源电流 | [DATA_NEEDED: Supply Current] | — |
| Serial Interface Speed | [DATA_NEEDED: Serial Interface Speed] | — |
| MSL 等级 | [DATA_NEEDED: MSL Level] | — |
| Device Type | — | 4-channel I2C-bus multiplexer |
| Number of Downstream Channels | — | 4 channels |
| Upstream Bus Pairs | — | 1 SCL/SDA pair |
| Downstream Bus Pairs | — | 4 SCx/SDx pairs |
| Bus Interface | — | I2C-bus |
| Supported Protocol Family | — | I2C and SMBus-compatible |
| 工作电源电压 | — | 2.3 V to 5.5 V |
| Signal Direction | — | Bidirectional |
| Channel Selection | — | One channel selected at a time by programmable control register |
| Interrupt Function | — | Yes, interrupt logic |
| 生命周期状态 | — | No Longer Manufactured |
| 工作温度范围 | — | [DATA_NEEDED: operating temperature range] |
| Maximum Bus Clock Frequency | — | [DATA_NEEDED: maximum I2C bus clock frequency] |
| Input Pin Capacitance | — | [DATA_NEEDED: input capacitance per pin] |
| Static Current | — | [DATA_NEEDED: static supply current] |
| REACH Status | — | [DATA_NEEDED: REACH status] |
| AEC-Q100 Qualification | — | [DATA_NEEDED: AEC-Q100 qualification status] |