TCA9548APWR vs PCA9548APW 对比
详细并排对比 TCA9548APWR 出自 Texas Instruments 和 PCA9548APW 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
TCA9548APWR - 8-Channel I2C Switch with Reset | Texas Instruments
TCA9548APWR ✓ 量产中NXP Semiconductors
PCA9548APW - 8-Channel I2C-Bus Switch with Reset | NXP Semiconductors
PCA9548APW ✓ 量产中规格对比
| 参数 | TCA9548APWR | PCA9548APW |
|---|---|---|
| 品牌 | Texas Instruments | NXP Semiconductors |
| 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 | $1.55 |
| Type | Bus Switch 1 x 8:1 | — |
| Number of Channels | 8 | 8 (SCx/SDx downstream pairs) |
| Supply Voltage Range | 1.65 V to 5.5 V | — |
| 接口 | I2C, SMBus | — |
| Reset Input | Active-low | — |
| Address Pins | 3 (A0, A1, A2) | 3 (A0, A1, A2) - up to 8 devices on bus (64 channels) |
| 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 | — |
| MSL 等级 | 1 | 1 (per JEDEC J-STD-020) |
| ON-State Resistance (RON) | Low (typical 5 ohm) | — |
| 静态电流 | [DATA_NEEDED: Quiescent current] | — |
| I2C Clock Frequency | Up to 400 kHz (Fast mode) | 0 kHz to 400 kHz (Standard and Fast-mode) |
| 功能 | — | 8-channel I2C-bus bidirectional translating switch with reset |
| Supply Voltage (VDD) | — | 2.3 V to 5.5 V |
| I/O Voltage Tolerance | — | Up to 5.5 V (independent of VDD level-shifting) |
| RESET Input | — | Active-low; clears channel selection and deselects all switches |
| Channel On-Resistance | — | [DATA_NEEDED: typical Ron at 3.3V / 5V] |
| Standby Current | — | [DATA_NEEDED: typical standby ICC] |
| 工作温度 | — | -40 C to +85 C |
| 封装 | — | 24-TSSOP (PW, 7.8 mm body) |
| Lead-Free / RoHS | — | Yes (compliant) |
| Compliance | — | RoHS, REACH (per NXP product page) |