TCA9548APWR vs PCA9548A Comparison
Detailed side-by-side comparison of TCA9548APWR by Texas Instruments and PCA9548A by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Texas Instruments
TCA9548APWR - 8-Channel I2C Switch with Reset | Texas Instruments
TCA9548APWR ✓ Active
Specification Comparison
| Parameter | TCA9548APWR | PCA9548A |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (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 |
| Interface | I2C, SMBus | — |
| Reset Input | Active-low | Yes, active-low RESET |
| Address Pins | 3 (A0, A1, A2) | — |
| Operating Temperature Range | -40°C to 85°C | — |
| Package Type | TSSOP (PW) 24-pin | — |
| Package Body Size | 7.8 mm x 4.4 mm | — |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant |
| MSL Level | 1 | — |
| ON-State Resistance (RON) | Low (typical 5 ohm) | — |
| Quiescent Current | [DATA_NEEDED: Quiescent current] | [DATA_NEEDED: quiescent current] |
| I2C Clock Frequency | Up to 400 kHz (Fast mode) | — |
| Function | — | 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 |
| Operating Temperature | — | [DATA_NEEDED: operating temperature range] |
| Package | — | 24-TSSOP (PW) |
| Interface Type | — | 2-wire bus (SCL/SDA) |
| Channel Selection | — | Individual or any combination of channels |
| Power-On Reset | — | Internal, resets registers to default state |