PCA9546ADR vs PCA9546AD,112 对比
详细并排对比 PCA9546ADR 出自 Texas Instruments 和 PCA9546AD,112 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。
规格对比
| 参数 | PCA9546ADR | PCA9546AD,112 |
|---|---|---|
| 品牌 | Texas Instruments | NXP Semiconductors |
| 分类 | Interface ICs | Logic ICs |
| 生命周期状态 | 有效 | 停产 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $0.72 | $1.28 |
| 功能 | 4-channel bidirectional I2C/SMBus switch | 4-channel bidirectional translating I2C-bus switch with reset |
| Number of Channels | 4 (1-of-4 bidirectional translating switches) | — |
| 接口 | I2C bus, SMBus compatible | I2C, SMBus |
| Supply Voltage Range | 2.3 V to 5.5 V | 2.3 V to 5.5 V |
| On-Resistance | 16 ohm (typical pass-gate, per distributor parametric data) | — |
| Address Pins | 3 (A0, A1, A2) - up to 8 devices on one I2C bus | 3 (A0, A1, A2) - up to 8 devices on one bus |
| Reset Input | Active-low RESET | Active-LOW RESET |
| Power-Up State | All switch channels deselected | — |
| Control Register | Programmable via I2C bus | — |
| 封装 | SOIC-16 (D suffix, 16-SOP) | 16-SOIC (0.154 in, 3.90 mm width) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| ESD Rating | [DATA_NEEDED: ESD protection rating] | — |
| Propagation Delay | [DATA_NEEDED: propagation delay] | — |
| 电源电流 | [DATA_NEEDED: supply current] | — |
| RoHS 状态 | Compliant (per distributor listings) | Compliant |
| Packaging | Tape and Reel (R suffix) | Tube |
| 通道数 | — | 4 (1 upstream pair, 4 downstream SCx/SDx pairs) |
| On-State Resistance (Ron) Max | — | 30 ohm |
| Level Translation | — | 1.8 V, 2.5 V, 3.3 V and 5 V buses |
| Power-Up Default | — | All switch channels deselected |
| Lead Free Status | — | Lead free |
| 生命周期状态 | — | End of Life (per NXP product page; continued supply via Rochester Electronics) |