PCA9554DBR vs PCA9534DBR 比較
詳細並排比較 PCA9554DBR 由 Texas Instruments 與 PCA9534DBR 由 Texas Instruments. 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 | PCA9554DBR | PCA9534DBR |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 類別 | Interface ICs | Interface ICs |
| 生命週期狀態 | 啟用中 | 啟用中 |
| 庫存狀態 | In Stock | — |
| 單價 (USD) | $1.55 | — |
| 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 | — |
| 介面 | I2C/SMBus | — |
| Maximum Bus Frequency | 400 kHz | — |
| Configuration Registers | Present | Available |
| Interrupt Output | Present | Available |
| Weak Pull-Ups | Present | — |
| 封裝 | 16-pin SSOP | 16-pin SSOP, 7.50 mm body |
| 安裝類型 | Surface mount | Surface mount |
| Device Class | General-purpose remote I/O expander | — |
| 輸出配置 | Individually configurable input/output ports | — |
| Bus Signals | SCL and SDA | — |
| Compliance Status | [DATA_NEEDED: RoHS status] | — |
| 工作溫度 | [DATA_NEEDED: operating temperature range] | -40 °C to 85 °C |
| 供應電流 | [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] | — |
| 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 |
| 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 |
| 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] |
| 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] |