PCA9548APW vs PCA9548A مقارنة
مقارنة تفصيلية جنبًا إلى جنب لـ PCA9548APW بواسطة NXP Semiconductors و PCA9548A بواسطة Texas Instruments. قارن المواصفات الرئيسية والمعلمات الكهربائية والتغليف وحالة دورة الحياة والأسعار والتوافر لتحديد أفضل مكوّن لمتطلبات تصميمك.
NXP Semiconductors
PCA9548APW - 8-Channel I2C-Bus Switch with Reset | NXP Semiconductors
PCA9548APW ✓ نشطمقارنة المواصفات
| المعامل | PCA9548APW | PCA9548A |
|---|---|---|
| العلامة التجارية | NXP Semiconductors | Texas Instruments |
| الفئة | Interface ICs | Interface ICs |
| حالة دورة الحياة | نشط | نشط |
| الوظيفة | 8-channel I2C-bus bidirectional translating switch with reset | 8-channel bidirectional I2C translating switch |
| Number of Channels | 8 (SCx/SDx downstream pairs) | 8 downstream SCx/SDx pairs |
| Address Pins | 3 (A0, A1, A2) - up to 8 devices on bus (64 channels) | — |
| Supply Voltage (VDD) | 2.3 V to 5.5 V | — |
| I/O Voltage Tolerance | Up to 5.5 V (independent of VDD level-shifting) | — |
| RESET Input | Active-low; clears channel selection and deselects all switches | — |
| I2C Clock Frequency | 0 kHz to 400 kHz (Standard and Fast-mode) | — |
| Channel On-Resistance | [DATA_NEEDED: typical Ron at 3.3V / 5V] | — |
| Standby Current | [DATA_NEEDED: typical standby ICC] | — |
| درجة حرارة التشغيل | -40 C to +85 C | [DATA_NEEDED: operating temperature range] |
| العلبة | 24-TSSOP (PW, 7.8 mm body) | 24-TSSOP (PW) |
| نوع التركيب | Surface Mount | Surface Mount |
| مستوى MSL | 1 (per JEDEC J-STD-020) | — |
| Lead-Free / RoHS | Yes (compliant) | — |
| Compliance | RoHS, REACH (per NXP product page) | — |
| Supply Voltage Range | — | 2.3 V to 5.5 V |
| I2C Bus Speed Support | — | Standard-Mode 100 kHz, Fast-Mode 400 kHz |
| Control Interface | — | I2C/SMBus, single 8-bit control register |
| Hardware Address Pins | — | 3 (A0, A1, A2) - up to 8 devices per bus |
| Reset Input | — | Yes, active-low RESET |
| Voltage Translation | — | Yes, via pass-gate switch voltage referencing |
| نوع الواجهة | — | 2-wire bus (SCL/SDA) |
| Channel Selection | — | Individual or any combination of channels |
| Power-On Reset | — | Internal, resets registers to default state |
| حالة RoHS | — | Compliant |
| تيار السكون | — | [DATA_NEEDED: quiescent current] |