PCA9555PW vs PCA9539PW Comparison
Detailed side-by-side comparison of PCA9555PW by NXP Semiconductors 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.
Specification Comparison
| Parameter | PCA9555PW | PCA9539PW |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Device Type | 16-bit I2C-bus/SMBus GPIO expander | — |
| Number of GPIO Ports | 16 ports | — |
| Package | 24-pin TSSOP | 24-pin TSSOP |
| Supply Voltage Range | 2.3 V to 5.5 V | 2.3 V to 5.5 V |
| I2C/SMBus Frequency | 400 kHz | — |
| Interrupt Support | Yes | Yes |
| Default GPIO Pull-Up Resistors | Yes | — |
| I/O Direction | Configurable input or output per port bit | — |
| Device Interface | I2C-bus/SMBus | — |
| Logic Family | CMOS | — |
| Mounting Type | Surface mount | Surface mount |
| Pin Count | 24 pins | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| 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] | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: REACH status] |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification] | — |
| Product Type | — | 16-bit general-purpose I/O expander |
| Interface | — | I2C/SMBus |
| Number of I/O Lines | — | 16 |
| Maximum Bus Frequency | — | 400 kHz |
| Reset Support | — | Yes |
| Output Configuration | — | Push-pull output |
| 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] |