P82B715D vs PCF8574PW 比較
詳細並排比較 P82B715D 由 Texas Instruments 與 PCF8574PW 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 | P82B715D | PCF8574PW |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 類別 | Interface ICs | Interface ICs |
| 生命週期狀態 | 啟用中 | 啟用中 |
| 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 | — |
| 封裝 | 8-pin SOIC (D) | 20-pin TSSOP (PW) |
| 工作溫度範圍 | -40 C to +85 C | — |
| 安裝類型 | Surface mount | Surface Mount |
| Bus Type | I2C/SMBus | — |
| Architecture | Unidirectional analog current amplification | — |
| RoHS 狀態 | [DATA_NEEDED: RoHS status] | Compliant |
| REACH Status | [DATA_NEEDED: REACH status] | — |
| 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) |
| 工作溫度 | — | -40 C to +85 C |
| MSL 等級 | — | 1 (unlimited floor life) |