PCA9517D vs PCA9517A 对比
详细并排对比 PCA9517D 出自 Texas Instruments 和 PCA9517A 出自 NXP Semiconductors。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。
Texas Instruments
PCA9517D - 2-Channel 400kHz I2C Level Translator | Texas Instruments
PCA9517D ✓ 量产中NXP Semiconductors
PCA9517A - Level-Translating I2C-Bus Repeater | NXP Semiconductors
PCA9517A ✓ 量产中规格对比
| 参数 | PCA9517D | PCA9517A |
|---|---|---|
| 品牌 | Texas Instruments | NXP Semiconductors |
| 分类 | Interface ICs | Bus Repeaters, Buffers & Extenders |
| 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 | $0.00 |
| Product Type | 2-channel bidirectional I2C/SMBus buffer/repeater | — |
| Number of Channels | 2 | 2 (SDA, SCL) |
| Maximum I2C Bus Frequency | 400 kHz | — |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| Low-Voltage Domain Support | Down to 0.9 V | — |
| Higher-Voltage Domain Support | 2.7 V to 5.5 V | — |
| Bus Compatibility | I2C and SMBus | — |
| Directional Architecture | Bidirectional | — |
| 封装 | 8-SOIC | SOIC-8 (SOP) |
| 安装类型 | Surface Mount | Surface Mount |
| 电源电流 | 5 mA | — |
| Delay Time | 170 ns | — |
| 输入电容 | 6 pF | — |
| Enable Control | Two-side enable control | — |
| Logic Level Translation | Voltage-level translation between bus domains | — |
| Interface Classification | Signal buffer and repeater | — |
| Manufacturer | Texas Instruments | — |
| 功能 | — | Level-translating I2C-bus repeater (2-channel bidirectional buffer) |
| 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 |
| 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 |
| 工作温度 | — | [DATA_NEEDED: operating temperature range] |
| Maximum Data Rate | — | 400 kHz (per PCA9517 family specification) |
| RoHS 状态 | — | [DATA_NEEDED: RoHS status] |
| A-Side B Condition | — | B-side port must not connect to rise-time-accelerator devices (PCA9510-9516A, PCA9518) |