TCA9548APWR vs PCA9548A 对比
详细并排对比 TCA9548APWR 出自 Texas Instruments 和 PCA9548A 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。
Texas Instruments
TCA9548APWR - 8-Channel I2C Switch with Reset | Texas Instruments
TCA9548APWR ✓ 量产中
规格对比
| 参数 | TCA9548APWR | PCA9548A |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Interface ICs | 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） | $1.82 | $0.79 |
| Type | Bus Switch 1 x 8:1 | — |
| Number of Channels | 8 | 8 downstream SCx/SDx pairs |
| Supply Voltage Range | 1.65 V to 5.5 V | 2.3 V to 5.5 V |
| 接口 | I2C, SMBus | — |
| Reset Input | Active-low | Yes, active-low RESET |
| Address Pins | 3 (A0, A1, A2) | — |
| 工作温度范围 | -40°C to 85°C | — |
| Package Type | TSSOP (PW) 24-pin | — |
| Package Body Size | 7.8 mm x 4.4 mm | — |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | Compliant |
| MSL 等级 | 1 | — |
| ON-State Resistance (RON) | Low (typical 5 ohm) | — |
| 静态电流 | [DATA_NEEDED: Quiescent current] | [DATA_NEEDED: quiescent current] |
| I2C Clock Frequency | Up to 400 kHz (Fast mode) | — |
| 功能 | — | 8-channel bidirectional I2C translating switch |
| 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 |
| Voltage Translation | — | Yes, via pass-gate switch voltage referencing |
| 工作温度 | — | [DATA_NEEDED: operating temperature range] |
| 封装 | — | 24-TSSOP (PW) |
| 接口类型 | — | 2-wire bus (SCL/SDA) |
| Channel Selection | — | Individual or any combination of channels |
| Power-On Reset | — | Internal, resets registers to default state |