PCA9548APW vs TCA9548APWR 对比
详细并排对比 PCA9548APW 出自 NXP Semiconductors 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。
NXP Semiconductors
PCA9548APW - 8-Channel I2C-Bus Switch with Reset | NXP Semiconductors
PCA9548APW ✓ 量产中Texas Instruments
TCA9548APWR - 8-Channel I2C Switch with Reset | Texas Instruments
TCA9548APWR ✓ 量产中规格对比
| 参数 | PCA9548APW | TCA9548APWR |
|---|---|---|
| 品牌 | NXP Semiconductors | 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） | $1.55 | $1.82 |
| 功能 | 8-channel I2C-bus bidirectional translating switch with reset | — |
| Number of Channels | 8 (SCx/SDx downstream pairs) | 8 |
| Address Pins | 3 (A0, A1, A2) - up to 8 devices on bus (64 channels) | 3 (A0, A1, A2) |
| 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 | — |
| I2C Clock Frequency | 0 kHz to 400 kHz (Standard and Fast-mode) | Up to 400 kHz (Fast mode) |
| 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) | — |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 1 (per JEDEC J-STD-020) | 1 |
| Lead-Free / RoHS | Yes (compliant) | — |
| Compliance | RoHS, REACH (per NXP product page) | — |
| Type | — | Bus Switch 1 x 8:1 |
| Supply Voltage Range | — | 1.65 V to 5.5 V |
| 接口 | — | I2C, SMBus |
| Reset Input | — | Active-low |
| 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 |
| RoHS 状态 | — | Compliant |
| ON-State Resistance (RON) | — | Low (typical 5 ohm) |
| 静态电流 | — | [DATA_NEEDED: Quiescent current] |