PCA9538DBR vs PCA9554DBR 对比
详细并排对比 PCA9538DBR 出自 Texas Instruments 和 PCA9554DBR 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 | PCA9538DBR | PCA9554DBR |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Interface ICs | Interface ICs |
| 生命周期状态 | Obsolete | 有效 |
| 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 | — |
| Interrupt Output | 1 interrupt output | Present |
| Reset Input | 1 reset input | — |
| Configuration Registers | Configuration, port, and polarity control | Present |
| Standby Current | 1 uA | — |
| 封装 | 16-pin SSOP | 16-pin SSOP |
| Package Family | SSOP family, surface-mount SMD | — |
| 安装类型 | Surface mount | Surface mount |
| 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] | — |
| 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 |
| Weak Pull-Ups | — | Present |
| 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] |