PCA9545ADGVRG4 vs PCA9518DW Comparison
Detailed side-by-side comparison of PCA9545ADGVRG4 by Texas Instruments and PCA9518DW 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
PCA9545ADGVRG4 - 4-Ch I2C/SMBus Mux, 20-TVSOP | Texas Instruments
PCA9545ADGVRG4 ✓ Active
Specification Comparison
| Parameter | PCA9545ADGVRG4 | PCA9518DW |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Logic ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Function | 4-Channel I2C and SMBus Multiplexer / Switch | — |
| Number of Channels | 4 | — |
| Interface | I2C, SMBus | — |
| Nominal Supply Voltage | 2.5 V | — |
| I/O Tolerance | 5.5 V tolerant (all I/O pins) | — |
| Pass-Gate Voltage | 2.5 V nominal | — |
| Address Pins | A0, A1 (programmable slave address) | — |
| Reset Input | /RESET (hardware reset) | — |
| Interrupt Inputs | 4 (/INT0 to /INT3, open-drain) | — |
| Terminations | 20 | — |
| Package | 20-TFSOP / TVSOP (0.173 in, 4.40 mm width, 0.4 mm pitch) | 20-SOIC (0.295 inch, 7.50 mm width) |
| Mounting Type | Surface Mount | Surface mount |
| Package Shape | Rectangular | — |
| Datasheet Pages | 37 | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | — |
| Supply Voltage Range | [DATA_NEEDED: full supply voltage range] | 3 V to 3.6 V |
| RoHS Status | [DATA_NEEDED: RoHS compliance status] | [DATA_NEEDED: RoHS status] |
| Device Type | — | Expandable five-channel bidirectional I2C/SMBus buffer hub |
| Number of Downstream Channels | — | 5 channels |
| Maximum I2C Bus Frequency | — | 400 kHz |
| Protocol Support | — | I2C and SMBus |
| Signal Direction | — | Bidirectional |
| Maximum Bus Capacitance per Group | — | 400 pF |
| Bus Segmentation | — | Buffered SDA and SCL groups separated from the upstream bus |
| Category | — | Interface ICs - I/O expanders |
| Number of Pins | — | 20 pins |
| Operating Temperature Range | — | [DATA_NEEDED: operating temperature range] |
| Propagation Delay | — | [DATA_NEEDED: propagation delay] |
| Quiescent Current | — | [DATA_NEEDED: quiescent current] |
| Input High Voltage | — | [DATA_NEEDED: input high-voltage threshold] |
| Input Low Voltage | — | [DATA_NEEDED: input low-voltage threshold] |
| Output High Voltage | — | [DATA_NEEDED: output high voltage] |
| Output Low Voltage | — | [DATA_NEEDED: output low voltage] |
| I2C Address | — | [DATA_NEEDED: I2C address] |
| REACH Status | — | [DATA_NEEDED: REACH status] |
| AEC-Q100 Qualification | — | [DATA_NEEDED: AEC-Q100 qualification status] |