PCA9555DB vs TCA9555PWR Comparison
Detailed side-by-side comparison of PCA9555DB by NXP Semiconductors and TCA9555PWR by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | PCA9555DB | TCA9555PWR |
|---|---|---|
| Brand | NXP Semiconductors | Texas Instruments |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| 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 | — |
| Interrupt Output | Active-low, open-drain | Yes, active-low open-drain INT |
| Standby Current | 1 uA maximum | — |
| Package Type | SSOP-24 | — |
| Package Pitch | 1.0 mm | — |
| Mounting Type | Surface mount | Surface Mount |
| Device Pin Count | 24 pins | — |
| Serial Addressing | Seven-bit I2C address; [DATA_NEEDED: address table] | — |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | — |
| RoHS Status | unknown | Compliant |
| REACH Status | unknown | — |
| AEC-Q100 Qualification | [DATA_NEEDED: automotive qualification status] | — |
| 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 |
| 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) |
| MSL Level | — | 1 (260 C, unlimited floor life per JEDEC J-STD-020) |
| REACH | — | Compliant |