PCF8574PW vs P82B715D 比較
詳細並排比較 PCF8574PW 由 Texas Instruments 與 P82B715D 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。
Texas Instruments
PCF8574PW - 8-bit I2C I/O Expander 20-TSSOP | Texas Instruments (Tape & Reel)
PCF8574PW ✓ 啟用中
規格比較
| 參數 | PCF8574PW | P82B715D |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 類別 | Interface ICs | Interface ICs |
| 生命週期狀態 | 啟用中 | 啟用中 |
| 功能 | I/O Expander | — |
| Number of I/O | 8 | — |
| 介面 | I2C (SMBus compatible) | — |
| Clock Frequency (Max) | 100 kHz | — |
| I2C Address Base | 0x20 (PCF8574A: 0x38) | — |
| Supply Voltage (VCC) | 2.5 V to 6 V | — |
| Supply Current (Standby) | 2.5 uA typical | — |
| Interrupt Output | Yes (active-low INT) | — |
| Hardware Address Pins | 3 (A0, A1, A2) | — |
| Max Devices on Bus | 8 (16 combined with PCF8574A) | — |
| Output Drive (Source/Sink) | 25 mA / 25 mA per I/O | — |
| I/O Type | Quasi-bidirectional (no direction register) | — |
| 封裝 | 20-pin TSSOP (PW) | 8-pin SOIC (D) |
| 工作溫度 | -40 C to +85 C | — |
| 安裝類型 | Surface Mount | Surface mount |
| RoHS 狀態 | Compliant | [DATA_NEEDED: RoHS status] |
| MSL 等級 | 1 (unlimited floor life) | — |
| Product Type | — | 2-bit bidirectional I2C/SMBus buffer and cable extender |
| Operating Supply Voltage Range | — | 3 V to 12 V |
| Nominal Maximum Bus Frequency | — | 400 kHz |
| Bidirectional Data Transfer | — | Supported |
| Number of Buffered Bits | — | 2 |
| Extended Bus Capacitance | — | 3 nF |
| Conventional I2C Bus Capacitance | — | 400 pF |
| 供應電流 | — | 22 mA |
| 輸入電容 | — | 3000 pF |
| Delay Time | — | 250 ns |
| 工作溫度範圍 | — | -40 C to +85 C |
| Bus Type | — | I2C/SMBus |
| Architecture | — | Unidirectional analog current amplification |
| REACH Status | — | [DATA_NEEDED: REACH status] |