PCA9555DWR vs PCA9539DW 比較
詳細並排比較 PCA9555DWR 由 Texas Instruments 與 PCA9539DW 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 | PCA9555DWR | PCA9539DW |
|---|---|---|
| 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) | $2.46 | — |
| Device Type | 16-bit I2C/SMBus I/O expander | — |
| Supply Voltage Range | 2.3 V to 5.5 V | 2.3 V to 5.5 V |
| I/O Port Count | 16 bits | — |
| Port Organization | 2 x 8-bit ports | — |
| Bus Interface | I2C/SMBus | — |
| Maximum Bus Frequency | 400 kHz | — |
| Interrupt Output | Active-low, open-drain | — |
| Weak Pull-up Registers | Configurable | — |
| Configuration Registers | Input/output, polarity and port configuration | Yes |
| Output Drive | Push-pull outputs | — |
| 工作溫度範圍 | -40°C to +85°C | — |
| 封裝 | 24-pin SOIC (DW) | 24-pin SOIC (DW) |
| Package Type | SOIC | — |
| 腳位數 | 24 pins | — |
| 安裝類型 | Surface mount | Surface Mount |
| Low Standby Current | 1 µA maximum | — |
| 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] | — |
| Product Type | — | 16-bit I/O expander |
| I/O Pin Count | — | 16 pins |
| Serial Bus Interface | — | I2C/SMBus |
| Maximum Bus Clock | — | 400 kHz |
| 輸出配置 | — | Push-pull |
| Output Source Current | — | 10 mA and 25 mA options |
| Output Sink Current | — | 10 mA and 25 mA options |
| Interrupt | — | Yes |
| Reset | — | Yes |
| Power-On Reset | — | Yes |
| Internal I/O Pull-Up Resistors | — | Removed according to TI product comparison |
| 工作溫度 | — | -40 C to +85 C |