PCA9544ARGYR vs PCA9544AD Comparison
Detailed side-by-side comparison of PCA9544ARGYR by Texas Instruments and PCA9544AD by NXP Semiconductors. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
NXP Semiconductors
PCA9544AD - 4-Channel I2C Multiplexer with Interrupt | NXP
PCA9544AD ✗ End of LifeSpecification Comparison
| Parameter | PCA9544ARGYR | PCA9544AD |
|---|---|---|
| Brand | Texas Instruments | NXP Semiconductors |
| Category | Logic ICs | Interface ICs |
| Lifecycle Status | Active | End of Life |
| Function | 4-channel I2C/SMBus multiplexer with interrupt logic | — |
| Number of Channels | 4 | — |
| Supply Voltage Range | 2.3 V to 5.5 V | — |
| Bus Type | I2C and SMBus compatible | — |
| Voltage Translation | Yes, bidirectional translating switches | — |
| Interrupt Inputs | 4 (active-low) | — |
| Interrupt Output | 1 (active-low, open-drain) | — |
| Address Pins | 3 (A0, A1, A2), up to 8 devices per bus | — |
| Operating Temperature | -40C to +85C | — |
| Package | VQFN-20 (RGY), 3.5 mm x 4.5 mm | 20-SO |
| Mounting Type | Surface Mount | Surface Mount |
| Maximum Power Dissipation | 400 mW | 400 mW for the documented PCA9544APW,112 comparison variant |
| Power-On Reset | Yes, all channels deselected at power-up | — |
| RoHS Status | Compliant | [DATA_NEEDED: RoHS status] |
| Supply Current | [DATA_NEEDED: Supply Current] | — |
| Serial Interface Speed | [DATA_NEEDED: Serial Interface Speed] | — |
| MSL Level | [DATA_NEEDED: MSL Level] | — |
| Device Type | — | 4-channel I2C-bus multiplexer |
| Number of Downstream Channels | — | 4 channels |
| Upstream Bus Pairs | — | 1 SCL/SDA pair |
| Downstream Bus Pairs | — | 4 SCx/SDx pairs |
| Bus Interface | — | I2C-bus |
| Supported Protocol Family | — | I2C and SMBus-compatible |
| Operating Supply Voltage | — | 2.3 V to 5.5 V |
| Signal Direction | — | Bidirectional |
| Channel Selection | — | One channel selected at a time by programmable control register |
| Interrupt Function | — | Yes, interrupt logic |
| Lifecycle Status | — | No Longer Manufactured |
| Operating Temperature Range | — | [DATA_NEEDED: operating temperature range] |
| Maximum Bus Clock Frequency | — | [DATA_NEEDED: maximum I2C bus clock frequency] |
| Input Pin Capacitance | — | [DATA_NEEDED: input capacitance per pin] |
| Static Current | — | [DATA_NEEDED: static supply current] |
| REACH Status | — | [DATA_NEEDED: REACH status] |
| AEC-Q100 Qualification | — | [DATA_NEEDED: AEC-Q100 qualification status] |