PCA9517A vs TCA9517DR مقایسه
مقایسه دقیق کنار به کنار PCA9517A توسط NXP Semiconductors و TCA9517DR توسط Texas Instruments. مشخصات کلیدی، پارامترهای الکتریکی، بسته‌بندی، وضعیت چرخه عمر، قیمت‌گذاری و موجودی را مقایسه کنید تا بهترین قطعه را برای نیازهای طراحی خود تعیین کنید.
NXP Semiconductors
PCA9517A - Level-Translating I2C-Bus Repeater | NXP Semiconductors
PCA9517A ✓ فعالمقایسه مشخصات
| پارامتر | PCA9517A | TCA9517DR |
|---|---|---|
| برند | NXP Semiconductors | Texas Instruments |
| دسته‌بندی | Bus Repeaters, Buffers & Extenders | Interface ICs |
| وضعیت چرخه عمر | فعال | فعال |
| عملکرد | Level-translating I2C-bus repeater (2-channel bidirectional buffer) | Level-translating I2C/SMBus bus buffer (repeater) |
| A-Side Supply Voltage (VCC(A)) | 0.9 V (min operating) to 5.5 V | — |
| B-Side Supply Voltage (VCC(B)) | 2.7 V to 5.5 V | — |
| Level Translation Range | 0.9 V to 5.5 V (A-side) to 2.7 V to 5.5 V (B-side) | — |
| Bus Interface | I2C-bus and SMBus compatible | — |
| Number of Channels | 2 (SDA, SCL) | 2 (SDA and SCL) |
| Enable Input | EN, active-high repeater-enable | — |
| Power-Up Driver Enable Thresholds | Drivers enabled only when VCC(A) > 0.8 V and VCC(B) > 2.5 V | — |
| I/O Configuration | Open-drain (standard I2C) | — |
| Process Technology | CMOS | — |
| بسته‌بندی | SOIC-8 (SOP) | SOIC-8 (D), 3.90 mm width |
| نوع نصب | Surface Mount | Surface Mount |
| دمای کاری | [DATA_NEEDED: operating temperature range] | -40C to +85C |
| Maximum Data Rate | 400 kHz (per PCA9517 family specification) | 400 kHz (I2C Fast Mode) |
| وضعیت RoHS | [DATA_NEEDED: RoHS status] | Compliant (Green, no Sb/Br) |
| A-Side B Condition | B-side port must not connect to rise-time-accelerator devices (PCA9510-9516A, PCA9518) | — |
| VCCA Supply Range (A-side) | — | 0.9 V to 5.5 V |
| VCCB Supply Range (B-side) | — | 3.0 V to 5.5 V |
| Propagation Delay | — | 230 ns (max) |
| A-side Input Low Level | — | 0.3 x VCCA |
| Powered-Off High Impedance | — | Yes, on all pins |
| Direction Control | — | Not required (fully bidirectional) |
| سطح MSL | — | MSL 1 (260C unlimited) |
| ESD Protection | — | [DATA_NEEDED: ESD rating per datasheet] |