PCA9519 vs PCA9518PW مقارنة
مقارنة تفصيلية جنبًا إلى جنب لـ PCA9519 بواسطة NXP Semiconductors و PCA9518PW بواسطة NXP Semiconductors. قارن المواصفات الرئيسية والمعلمات الكهربائية والتغليف وحالة دورة الحياة والأسعار والتوافر لتحديد أفضل مكوّن لمتطلبات تصميمك.
مقارنة المواصفات
| المعامل | PCA9519 | PCA9518PW |
|---|---|---|
| العلامة التجارية | NXP Semiconductors | NXP Semiconductors |
| الفئة | Interface ICs | Interface ICs |
| حالة دورة الحياة | نشط | نشط |
| الوظيفة | 4-channel level translating I2C-bus/SMBus repeater | I2C bus buffering and expansion |
| Number of Channels | 4 (4 SCL/SDA pairs) | — |
| Port A Voltage Range | 1 V to VCC(B) 1.5 V | — |
| Port B Voltage Range | 3.0 V to 5.5 V | — |
| Port B Capacitance Drive | 400 pF | — |
| External Pull-ups on Port A | Not required | — |
| Bus Protocol | I2C-bus / SMBus | I2C / SMBus |
| Direction Control | Bidirectional, automatic | — |
| Supply Voltage VCC(B) | [DATA_NEEDED: VCC(B) absolute maximum range] | — |
| تيار السكون | [DATA_NEEDED: ICC typical] | — |
| معدل البيانات | [DATA_NEEDED: max data rate] | — |
| درجة حرارة التشغيل | [DATA_NEEDED: operating temperature range] | — |
| العلبة | TSSOP-20 (PW) | 20-pin TSSOP |
| نوع التركيب | Surface Mount | Surface Mount |
| حالة RoHS | [DATA_NEEDED: RoHS status] | unknown |
| Supply Current Max | [DATA_NEEDED: ICC max] | — |
| Repeatability Features | Retains all I2C-bus operating modes during level shifts | — |
| Product Type | — | Expandable 5-channel I2C-bus hub |
| الواجهة | — | I2C and SMBus |
| Process Technology | — | BiCMOS |
| Supply Voltage Range | — | 2.3 V to 3.6 V |
| Downstream Channels | — | 5 channels |
| Bus Communication Frequency | — | 400 kHz |
| Partial Power-Down Input Threshold | — | VDD below 2.0 V |
| Partial Power-Down Bus Behavior | — | I2C-bus I/O pins remain high impedance |
| Manufacturer | — | NXP Semiconductors |
| نوع الخرج | — | Push-pull |
| Operating Voltage | — | 2.3 V to 3.6 V |
| Partial Power-Down Support | — | Yes |
| I2C Bus Isolation | — | High-impedance state during partial power-down |
| REACH Status | — | unknown |