PCA9518PW vs PCA9519 مقارنة
مقارنة تفصيلية جنبًا إلى جنب لـ PCA9518PW بواسطة NXP Semiconductors و PCA9519 بواسطة NXP Semiconductors. قارن المواصفات الرئيسية والمعلمات الكهربائية والتغليف وحالة دورة الحياة والأسعار والتوافر لتحديد أفضل مكوّن لمتطلبات تصميمك.
مقارنة المواصفات
| المعامل | PCA9518PW | PCA9519 |
|---|---|---|
| العلامة التجارية | NXP Semiconductors | NXP Semiconductors |
| الفئة | Interface ICs | Interface ICs |
| حالة دورة الحياة | نشط | نشط |
| 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 | — |
| العلبة | 20-pin TSSOP | TSSOP-20 (PW) |
| نوع التركيب | Surface Mount | Surface Mount |
| Manufacturer | NXP Semiconductors | — |
| الوظيفة | I2C bus buffering and expansion | 4-channel level translating I2C-bus/SMBus repeater |
| 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 | — |
| Bus Protocol | I2C / SMBus | I2C-bus / SMBus |
| حالة RoHS | unknown | [DATA_NEEDED: RoHS status] |
| REACH Status | unknown | — |
| 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 |
| 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] |
| Supply Current Max | — | [DATA_NEEDED: ICC max] |
| Repeatability Features | — | Retains all I2C-bus operating modes during level shifts |