TCA9555PWR vs PCA9555PW Comparison
Detailed side-by-side comparison of TCA9555PWR by Texas Instruments 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 | TCA9555PWR | PCA9555PW |
|---|---|---|
| Brand | Texas Instruments | NXP Semiconductors |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.79 | $0.00 |
| Function | 16-bit I2C/SMBus I/O expander | — |
| Number of I/O | 16 | — |
| Interface | I2C, SMBus | — |
| Maximum Clock Frequency | 400 kHz (TI) / 1 MHz (UMW second-source) | — |
| I2C Address Pins | 3 (A0, A1, A2) - up to 8 devices per bus | — |
| Interrupt Output | Yes, active-low open-drain INT | — |
| Configuration Registers | Yes (direction, polarity, mask) | — |
| Weak Pull-up Resistors | Programmable per port | — |
| Supply Voltage (VCC) | 1.65 V to 5.5 V | — |
| Output Current per Bit | -25 mA to +25 mA (sink/source) | — |
| I/O Voltage Tolerance | 5 V tolerant | — |
| Operating Temperature | -40 C to +85 C | [DATA_NEEDED: operating temperature range] |
| Package | 24-pin TSSOP (PW) | 24-pin TSSOP |
| Mounting Type | Surface Mount | Surface mount |
| MSL Level | 1 (260 C, unlimited floor life per JEDEC J-STD-020) | — |
| RoHS Status | Compliant | [DATA_NEEDED: RoHS status] |
| REACH | Compliant | — |
| Device Type | — | 16-bit I2C-bus/SMBus GPIO expander |
| Number of GPIO Ports | — | 16 ports |
| Supply Voltage Range | — | 2.3 V to 5.5 V |
| I2C/SMBus Frequency | — | 400 kHz |
| Interrupt Support | — | 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 |
| 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] |
| REACH Status | — | [DATA_NEEDED: REACH status] |
| AEC-Q100 Qualification | — | [DATA_NEEDED: AEC-Q100 qualification] |