PCA9518PW vs PCA9500PW 对比
详细并排对比 PCA9518PW 出自 NXP Semiconductors 和 PCA9500PW 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 | PCA9518PW | PCA9500PW |
|---|---|---|
| 品牌 | NXP Semiconductors | NXP Semiconductors |
| 分类 | Interface ICs | Interface ICs |
| 生命周期状态 | 有效 | 有效 |
| Product Type | Expandable 5-channel I2C-bus hub | 8-bit I2C-bus and SMBus I/O port expander with EEPROM |
| 接口 | I2C and SMBus | — |
| Process Technology | BiCMOS | — |
| Supply Voltage Range | 2.3 V to 3.6 V | 2.5 V to 3.6 V |
| Downstream Channels | 5 channels | — |
| Bus Communication Frequency | 400 kHz | — |
| Partial Power-Down Input Threshold | VDD below 2.0 V | — |
| Partial Power-Down Bus Behavior | I2C-bus I/O pins remain high impedance | — |
| 封装 | 20-pin TSSOP | 16-pin TSSOP |
| 安装类型 | Surface Mount | Surface mount |
| Manufacturer | NXP Semiconductors | — |
| 功能 | I2C bus buffering and expansion | — |
| 输出类型 | Push-pull | — |
| Operating Voltage | 2.3 V to 3.6 V | — |
| Partial Power-Down Support | Yes | — |
| I2C Bus Isolation | High-impedance state during partial power-down | — |
| Bus Protocol | I2C / SMBus | — |
| RoHS 状态 | unknown | — |
| REACH Status | unknown | — |
| Number of I/O Pins | — | 8 pins |
| I/O Direction Control | — | Independent input or output configuration per pin |
| I/O Port Type | — | Quasi-bidirectional |
| Integrated EEPROM Capacity | — | 2 kbit |
| Bus Interface | — | I2C-bus and SMBus |
| Maximum Bus Frequency | — | 400 kHz |
| 工作温度范围 | — | -40 °C to +85 °C |
| Hardware Address Inputs | — | 3 address pins |
| Maximum Devices on One Bus | — | 8 devices |
| GPIO and EEPROM Addressing | — | Two separate devices visible to the bus master |
| Reference Interface | — | PCF8574-compatible configuration method |
| RoHS Compliance | — | [DATA_NEEDED: verified RoHS status] |
| REACH Compliance | — | [DATA_NEEDED: verified REACH status] |
| Automotive Qualification | — | [DATA_NEEDED: AEC-Q100 qualification status] |