PCA9546ADR vs PCA9546AD,112 Comparison
Detailed side-by-side comparison of PCA9546ADR by Texas Instruments and PCA9546AD,112 by NXP Semiconductors. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | PCA9546ADR | PCA9546AD,112 |
|---|---|---|
| Brand | Texas Instruments | NXP Semiconductors |
| Category | Interface ICs | Logic ICs |
| Lifecycle Status | Active | End of Life |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.72 | $1.28 |
| Function | 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) | — |
| Interface | 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 | — |
| Package | SOIC-16 (D suffix, 16-SOP) | 16-SOIC (0.154 in, 3.90 mm width) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| ESD Rating | [DATA_NEEDED: ESD protection rating] | — |
| Propagation Delay | [DATA_NEEDED: propagation delay] | — |
| Supply Current | [DATA_NEEDED: supply current] | — |
| RoHS Status | Compliant (per distributor listings) | Compliant |
| Packaging | Tape and Reel (R suffix) | Tube |
| Channels | — | 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 |
| Lifecycle Status | — | End of Life (per NXP product page; continued supply via Rochester Electronics) |