PCA9534DBR vs PCA9554PW 比較
詳細並排比較 PCA9534DBR 由 Texas Instruments 與 PCA9554PW 由 NXP Semiconductors. 比較關鍵規格、電氣參數、封裝、生命週期狀態、價格與供貨情況，以找出最符合您設計需求的元件。
規格比較
| 參數 | PCA9534DBR | PCA9554PW |
|---|---|---|
| 品牌 | Texas Instruments | NXP Semiconductors |
| 類別 | Interface ICs | Interface ICs |
| 生命週期狀態 | 啟用中 | 啟用中 |
| Device Type | 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 | — |
| 工作溫度 | -40 °C to 85 °C | [DATA_NEEDED: Operating temperature range] |
| 封裝 | 16-pin SSOP, 7.50 mm body | 16-pin TSSOP |
| 安裝類型 | Surface mount | Surface mount |
| 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 | — |
| RoHS 狀態 | [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] | — |
| Product Type | — | 8-bit I2C/SMBus I/O expander with interrupt |
| Number of GPIO | — | 8 bits |
| I2C/SMBus Maximum Frequency | — | 400 kHz |
| I2C/SMBus Supported Frequency | — | 100 kHz and 400 kHz |
| 介面 | — | 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 |
| 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] |