PCA9554PW vs PCA9534DBR 对比
详细并排对比 PCA9554PW 出自 NXP Semiconductors 和 PCA9534DBR 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 | PCA9554PW | PCA9534DBR |
|---|---|---|
| 品牌 | NXP Semiconductors | Texas Instruments |
| 分类 | Interface ICs | Interface ICs |
| 生命周期状态 | 有效 | 有效 |
| Product Type | 8-bit I2C/SMBus I/O expander with interrupt | — |
| Number of GPIO | 8 bits | — |
| Supply Voltage Range | 2.3 V to 5.5 V | 2.3 V to 5.5 V |
| I2C/SMBus Maximum Frequency | 400 kHz | — |
| I2C/SMBus Supported Frequency | 100 kHz and 400 kHz | — |
| 接口 | I2C-bus/SMBus | — |
| Interrupt Support | Yes | — |
| Port Register Features | Input/output and polarity configuration registers | — |
| Pull-Up Capability | Weak pull-up | — |
| Address Difference | PCA9554A has a different address | — |
| 封装 | 16-pin TSSOP | 16-pin SSOP, 7.50 mm body |
| 安装类型 | Surface mount | Surface mount |
| 工作温度 | [DATA_NEEDED: Operating temperature range] | -40 °C to 85 °C |
| Maximum Output Current per Pin | [DATA_NEEDED: Maximum output current per pin] | — |
| Input Voltage Levels | [DATA_NEEDED: Input voltage thresholds] | — |
| Output Drive Capability | [DATA_NEEDED: Output drive current and output voltage characteristics] | — |
| Standby Current | [DATA_NEEDED: Standby current] | — |
| Operating Current | [DATA_NEEDED: Typical and maximum operating current] | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: REACH status] |
| Device Type | — | 8-bit I2C/SMBus I/O expander |
| Number of GPIO Ports | — | 8 ports |
| I2C Bus Frequency | — | 400 kHz |
| Bus Interface | — | I2C/SMBus |
| Technology | — | CMOS |
| Address Configuration Pins | — | 3 pins: A0, A1, and A2 |
| Maximum Devices per Bus | — | 8 devices |
| Interrupt Output | — | Available |
| Configuration Registers | — | Available |
| Internal I/O Pull-Up Resistors | — | Not fitted |
| PCF8574 Hardware Compatibility | — | Pin-to-pin and I2C address compatible; software changes required |
| AEC-Q100 Qualification | — | [DATA_NEEDED: AEC-Q100 qualification] |
| Lead-Free Status | — | [DATA_NEEDED: lead-free status] |
| Halogen-Free Status | — | [DATA_NEEDED: halogen-free status] |