PCA9534DBR vs PCA9534DW 对比
详细并排对比 PCA9534DBR 出自 Texas Instruments 和 PCA9534DW 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 | PCA9534DBR | PCA9534DW |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Interface ICs | Interface ICs |
| 生命周期状态 | 有效 | 有效 |
| Device Type | 8-bit I2C/SMBus I/O expander | 8-bit I2C/SMBus I/O expander |
| Number of GPIO Ports | 8 ports | — |
| Supply Voltage Range | 2.3 V to 5.5 V | 2.3 V to 5.5 V |
| I2C Bus Frequency | 400 kHz | — |
| Bus Interface | I2C/SMBus | — |
| Technology | CMOS | CMOS |
| 工作温度 | -40 °C to 85 °C | -40 C to +85 C |
| 封装 | 16-pin SSOP, 7.50 mm body | 16-SOIC |
| 安装类型 | Surface mount | Surface Mount |
| Address Configuration Pins | 3 pins: A0, A1, and A2 | — |
| Maximum Devices per Bus | 8 devices | — |
| Interrupt Output | Available | Yes |
| Configuration Registers | Available | Yes |
| Internal I/O Pull-Up Resistors | Not fitted | — |
| PCF8574 Hardware Compatibility | Pin-to-pin and I2C address compatible; software changes required | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: REACH status] |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification] | — |
| Lead-Free Status | [DATA_NEEDED: lead-free status] | — |
| Halogen-Free Status | [DATA_NEEDED: halogen-free status] | — |
| Number of I/O Ports | — | 8 |
| I2C/SMBus Maximum Frequency | — | 400 kHz |
| 接口 | — | I2C/SMBus |
| 输出类型 | — | Push-pull |
| Power-On Reset | — | Yes |
| 引脚数 | — | 16 |
| Low-Power Operation | — | Low-power I/O expander |
| I/O Configuration | — | Input, output, or high-impedance modes |
| Automotive Qualification | — | [DATA_NEEDED: AEC-Q100 qualification] |