PCA9539PW vs PCA9555PW Comparison
Detailed side-by-side comparison of PCA9539PW by NXP Semiconductors and PCA9555PW 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 | PCA9539PW | PCA9555PW |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $0.00 |
| Product Type | 16-bit general-purpose I/O expander | — |
| Interface | I2C/SMBus | — |
| Number of I/O Lines | 16 | — |
| Supply Voltage Range | 2.3 V to 5.5 V | 2.3 V to 5.5 V |
| Maximum Bus Frequency | 400 kHz | — |
| Interrupt Support | Yes | Yes |
| Reset Support | Yes | — |
| Output Configuration | Push-pull output | — |
| Device Classification | CMOS interface IC | — |
| Package | 24-pin TSSOP | 24-pin TSSOP |
| Mounting Type | Surface mount | Surface mount |
| Host Compatibility | Microcontrollers and other I2C/SMBus hosts | — |
| I/O Mode | Input or general-purpose output | — |
| Address Configuration | Configurable registers; details require datasheet verification | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| ESD/HBM Compliance | [DATA_NEEDED: ESD/HBM rating] | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: REACH status] |
| Automotive Qualification | [DATA_NEEDED: AEC-Q100 status] | — |
| Pinout | [DATA_NEEDED: complete manufacturer pinout] | — |
| Device Type | — | 16-bit I2C-bus/SMBus GPIO expander |
| Number of GPIO Ports | — | 16 ports |
| I2C/SMBus Frequency | — | 400 kHz |
| Default GPIO Pull-Up Resistors | — | Yes |
| I/O Direction | — | Configurable input or output per port bit |
| Device Interface | — | I2C-bus/SMBus |
| Logic Family | — | CMOS |
| Pin Count | — | 24 pins |
| Output Drive Current | — | [DATA_NEEDED: output drive current] |
| Input Leakage Current | — | [DATA_NEEDED: input leakage current] |
| I2C Address Options | — | [DATA_NEEDED: I2C address options] |
| Power Consumption | — | [DATA_NEEDED: power consumption] |
| AEC-Q100 Qualification | — | [DATA_NEEDED: AEC-Q100 qualification] |