PCA9539DWR vs PCA9539PW Comparison
Detailed side-by-side comparison of PCA9539DWR by Texas Instruments and PCA9539PW by NXP Semiconductors. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Texas Instruments
PCA9539DWR - 16-Bit 2.3-5.5V I/O Expander | Texas Instruments (Tape & Reel)
PCA9539DWR ✓ Active
Specification Comparison
| Parameter | PCA9539DWR | PCA9539PW |
|---|---|---|
| Brand | Texas Instruments | NXP Semiconductors |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Product Type | 16-bit I/O expander | 16-bit general-purpose I/O expander |
| I/O Pin Count | 16 pins | — |
| Supply Voltage Range | 2.3 V to 5.5 V | 2.3 V to 5.5 V |
| Serial Bus Interface | I2C/SMBus | — |
| Maximum Bus Clock | 400 kHz | — |
| Output Configuration | Push-pull | Push-pull output |
| Output Source Current | 10 mA and 25 mA options | — |
| Output Sink Current | 10 mA and 25 mA options | — |
| Interrupt | Yes | — |
| Reset | Yes | — |
| Configuration Registers | Yes | — |
| Power-On Reset | Yes | — |
| Internal I/O Pull-Up Resistors | Removed according to TI product comparison | — |
| Operating Temperature | -40 C to +85 C | [DATA_NEEDED: operating temperature range] |
| Package | 24-pin SOIC (DW) | 24-pin TSSOP |
| Mounting Type | Surface Mount | Surface mount |
| RoHS Status | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: REACH status] |
| Interface | — | I2C/SMBus |
| Number of I/O Lines | — | 16 |
| Maximum Bus Frequency | — | 400 kHz |
| Interrupt Support | — | Yes |
| Reset Support | — | Yes |
| Device Classification | — | CMOS interface IC |
| Host Compatibility | — | Microcontrollers and other I2C/SMBus hosts |
| I/O Mode | — | Input or general-purpose output |
| Address Configuration | — | Configurable registers; details require datasheet verification |
| ESD/HBM Compliance | — | [DATA_NEEDED: ESD/HBM rating] |
| Automotive Qualification | — | [DATA_NEEDED: AEC-Q100 status] |
| Pinout | — | [DATA_NEEDED: complete manufacturer pinout] |