PCA9548A vs TCA9548APWR 对比
详细并排对比 PCA9548A 出自 Texas Instruments 和 TCA9548APWR 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 | PCA9548A | TCA9548APWR |
|---|---|---|
| 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） | $0.79 | $1.82 |
| 功能 | 8-channel bidirectional I2C translating switch | — |
| Number of Channels | 8 downstream SCx/SDx pairs | 8 |
| Supply Voltage Range | 2.3 V to 5.5 V | 1.65 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 | Active-low |
| Voltage Translation | Yes, via pass-gate switch voltage referencing | — |
| 工作温度 | [DATA_NEEDED: operating temperature range] | — |
| 封装 | 24-TSSOP (PW) | — |
| 安装类型 | Surface Mount | Surface Mount |
| 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 | — |
| RoHS 状态 | Compliant | Compliant |
| 静态电流 | [DATA_NEEDED: quiescent current] | [DATA_NEEDED: Quiescent current] |
| Type | — | Bus Switch 1 x 8:1 |
| 接口 | — | I2C, SMBus |
| 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 |
| MSL 等级 | — | 1 |
| ON-State Resistance (RON) | — | Low (typical 5 ohm) |
| I2C Clock Frequency | — | Up to 400 kHz (Fast mode) |