PCA9554DBR vs PCA9538DBR 对比
详细并排对比 PCA9554DBR 出自 Texas Instruments 和 PCA9538DBR 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 | PCA9554DBR | PCA9538DBR |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Interface ICs | Interface ICs |
| 生命周期状态 | 有效 | Obsolete |
| 功能 | 8-bit I2C/SMBus I/O expander with interrupt | — |
| Number of I/O Lines | 8 | — |
| Operating Voltage Range | 2.3 V to 5.5 V | — |
| 接口 | I2C/SMBus | — |
| Maximum Bus Frequency | 400 kHz | — |
| Configuration Registers | Present | Configuration, port, and polarity control |
| Interrupt Output | Present | 1 interrupt output |
| Weak Pull-Ups | Present | — |
| 封装 | 16-pin SSOP | 16-pin SSOP |
| 安装类型 | Surface mount | Surface mount |
| Device Class | General-purpose remote I/O expander | — |
| 输出配置 | Individually configurable input/output ports | — |
| Bus Signals | SCL and SDA | — |
| Compliance Status | [DATA_NEEDED: RoHS status] | — |
| 工作温度 | [DATA_NEEDED: operating temperature range] | — |
| 电源电流 | [DATA_NEEDED: typical and maximum supply current] | — |
| Output Drive Capability | [DATA_NEEDED: output current and output voltage characteristics] | — |
| Input Threshold | [DATA_NEEDED: input voltage thresholds] | — |
| Address | [DATA_NEEDED: I2C device address] | — |
| Pinout | [DATA_NEEDED: complete manufacturer pin names and electrical descriptions] | — |
| Number of I/O Ports | — | 8 ports |
| Operating Supply Voltage Range | — | 2.3 V to 5.5 V |
| 接口类型 | — | I2C and SMBus |
| Maximum I2C Bus Frequency | — | 400 kHz |
| Reset Input | — | 1 reset input |
| Standby Current | — | 1 uA |
| Package Family | — | SSOP family, surface-mount SMD |
| 引脚数量 | — | 16 pins |
| I/O Configuration | — | Individually configurable as input or output |
| Input Polarity Control | — | Configurable input polarity inversion |
| Address Configuration | — | Hardware-configurable bus address |
| 工作温度范围 | — | [DATA_NEEDED: operating temperature range] |
| RoHS 状态 | — | [DATA_NEEDED: RoHS status] |
| REACH Status | — | [DATA_NEEDED: REACH status] |
| Automotive Qualification | — | [DATA_NEEDED: AEC-Q100 qualification status] |
| Lead-Free Status | — | [DATA_NEEDED: lead-free status] |
| Halogen-Free Status | — | [DATA_NEEDED: halogen-free status] |