TCA9555PWR vs PCA9555DB Comparison
Detailed side-by-side comparison of TCA9555PWR by Texas Instruments and PCA9555DB 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 | PCA9555DB |
|---|---|---|
| Brand | Texas Instruments | NXP Semiconductors |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| 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 | Active-low, open-drain |
| 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 | — |
| Package | 24-pin TSSOP (PW) | — |
| Mounting Type | Surface Mount | Surface mount |
| MSL Level | 1 (260 C, unlimited floor life per JEDEC J-STD-020) | — |
| RoHS Status | Compliant | unknown |
| REACH | Compliant | — |
| Device Type | — | 16-bit I2C/SMBus GPIO expander with interrupt |
| GPIO Count | — | 16 bits |
| Operating Voltage Range | — | 2.3 V to 5.5 V |
| I2C Maximum Frequency | — | 400 kHz |
| I2C/SMBus Interface | — | Two-wire serial interface |
| I/O Port Configuration | — | Input or output per bit |
| I/O Port Tolerance | — | 5 V tolerant |
| Standby Current | — | 1 uA maximum |
| Package Type | — | SSOP-24 |
| Package Pitch | — | 1.0 mm |
| Device Pin Count | — | 24 pins |
| Serial Addressing | — | Seven-bit I2C address; [DATA_NEEDED: address table] |
| Operating Temperature Range | — | [DATA_NEEDED: operating temperature range] |
| REACH Status | — | unknown |
| AEC-Q100 Qualification | — | [DATA_NEEDED: automotive qualification status] |