PCA9517A vs TCA9517DGKRQ1 对比
详细并排对比 PCA9517A 出自 NXP Semiconductors 和 TCA9517DGKRQ1 出自 Texas Instruments。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
NXP Semiconductors
PCA9517A - Level-Translating I2C-Bus Repeater | NXP Semiconductors
PCA9517A ✓ 量产中
规格对比
| 参数 | PCA9517A | TCA9517DGKRQ1 |
|---|---|---|
| 品牌 | NXP Semiconductors | Texas Instruments |
| 分类 | Bus Repeaters, Buffers & Extenders | Interface ICs |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $0.00 | $0.46 |
| 功能 | Level-translating I2C-bus repeater (2-channel bidirectional buffer) | Level-translating I2C/SMBus 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 (1 bidirectional circuit) |
| 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 | — |
| 封装 | SOIC-8 (SOP) | VSSOP (DGK), 8 pins |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | [DATA_NEEDED: operating temperature range] | -40C to +125C |
| Maximum Data Rate | 400 kHz (per PCA9517 family specification) | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | Compliant |
| A-Side B Condition | B-side port must not connect to rise-time-accelerator devices (PCA9510-9516A, PCA9518) | — |
| 数据速率 | — | 400 kHz (fast-mode I2C) |
| VCCA Supply Range | — | 0.9 V to 5.5 V |
| VCCB Supply Range | — | 2.7 V to 5.5 V |
| Translation Direction | — | Bidirectional (up and down) |
| Protocol Support | — | I2C, SMBus |
| Powered-Off High Impedance | — | Yes |
| Automotive Qualification | — | AEC-Q100 qualified |
| 输出类型 | — | Open-drain |
| 使能引脚 | — | Yes (EN) |
| Bus Capacitance Isolation | — | Yes (buffer/repeater function) |