PCF8574PWR vs PCF8574AN مقارنة
مقارنة تفصيلية جنبًا إلى جنب لـ PCF8574PWR بواسطة Texas Instruments و PCF8574AN بواسطة Texas Instruments. قارن المواصفات الرئيسية والمعلمات الكهربائية والتغليف وحالة دورة الحياة والأسعار والتوافر لتحديد أفضل مكوّن لمتطلبات تصميمك.
مقارنة المواصفات
| المعامل | PCF8574PWR | PCF8574AN |
|---|---|---|
| العلامة التجارية | Texas Instruments | Texas Instruments |
| الفئة | Interface ICs | Interface ICs |
| حالة دورة الحياة | نشط | نشط |
| الوظيفة | I/O Expander | — |
| Number of I/O | 8 | — |
| الواجهة | 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) | — |
| العلبة | 20-pin TSSOP (PW) | [DATA_NEEDED: package designation] |
| درجة حرارة التشغيل | -40 C to +85 C | — |
| نوع التركيب | Surface Mount | [DATA_NEEDED: mounting type] |
| حالة RoHS | Compliant | [DATA_NEEDED: RoHS status] |
| مستوى MSL | 1 (unlimited floor life) | — |
| Device Type | — | [DATA_NEEDED: device type] |
| I/O Direction | — | [DATA_NEEDED: I/O direction] |
| Number of I/O Lines | — | [DATA_NEEDED: number of I/O lines] |
| نوع الواجهة | — | [DATA_NEEDED: interface type] |
| Operating Supply Voltage Range | — | [DATA_NEEDED: operating supply voltage range] |
| Input Logic Voltage Levels | — | [DATA_NEEDED: input logic voltage levels] |
| Output Logic Voltage Levels | — | [DATA_NEEDED: output logic voltage levels] |
| Output Drive Current | — | [DATA_NEEDED: output drive current] |
| Output Sink Current | — | [DATA_NEEDED: output sink current] |
| Maximum Serial Clock Frequency | — | [DATA_NEEDED: maximum serial clock frequency] |
| Address Range | — | [DATA_NEEDED: address range] |
| تيار السكون | — | [DATA_NEEDED: quiescent current] |
| نطاق درجة حرارة التشغيل | — | [DATA_NEEDED: operating temperature range] |
| عدد الأطراف | — | [DATA_NEEDED: pin count] |
| REACH Status | — | [DATA_NEEDED: REACH status] |
| Lead-Free Status | — | [DATA_NEEDED: lead-free status] |