PCA9535PW vs PCA9555PW 对比
详细并排对比 PCA9535PW 出自 NXP Semiconductors 和 PCA9555PW 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 | PCA9535PW | PCA9555PW |
|---|---|---|
| 品牌 | NXP Semiconductors | NXP Semiconductors |
| 分类 | Interface ICs | Interface ICs |
| 生命周期状态 | 有效 | 有效 |
| Device Type | 16-bit I2C/SMBus GPIO expander with interrupt output | 16-bit I2C-bus/SMBus GPIO expander |
| Number of I/O Ports | 16 ports | — |
| 接口类型 | I2C and SMBus | — |
| I2C Maximum Clock Frequency | 400 kHz | — |
| Operating Supply Voltage Range | 2.3 V to 5.5 V | — |
| 封装 | 24-TSSOP | 24-pin TSSOP |
| Package Width | 4.40 mm | — |
| Package Length | 0.173 in | — |
| 安装类型 | Surface mount | Surface mount |
| Standby Current | 1 uA maximum | — |
| Interrupt Output | Yes | — |
| Configuration Registers | Yes | — |
| Internal I/O Pull-Up Resistors | Not fitted | — |
| PCF8575 Compatibility | Pin-to-pin and I2C-address compatible with software changes required | — |
| Related Device Relationship | Functionally equivalent to PCA9555 except internal I/O pull-up resistors are removed | — |
| Device Class | CMOS I/O port expander | — |
| Operating Status | Production | — |
| RoHS 状态 | [DATA_NEEDED: RoHS compliance] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH compliance] | [DATA_NEEDED: REACH status] |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification] | [DATA_NEEDED: AEC-Q100 qualification] |
| 工作温度范围 | [DATA_NEEDED: operating temperature range] | — |
| Number of GPIO Ports | — | 16 ports |
| Supply Voltage Range | — | 2.3 V to 5.5 V |
| I2C/SMBus Frequency | — | 400 kHz |
| Interrupt Support | — | Yes |
| Default GPIO Pull-Up Resistors | — | Yes |
| I/O Direction | — | Configurable input or output per port bit |
| Device Interface | — | I2C-bus/SMBus |
| Logic Family | — | CMOS |
| 引脚数量 | — | 24 pins |
| 工作温度 | — | [DATA_NEEDED: operating temperature range] |
| Output Drive Current | — | [DATA_NEEDED: output drive current] |
| Input Leakage Current | — | [DATA_NEEDED: input leakage current] |
| I2C Address Options | — | [DATA_NEEDED: I2C address options] |
| Power Consumption | — | [DATA_NEEDED: power consumption] |