PCA9557PWT vs PCA9557PWR Comparison
Detailed side-by-side comparison of PCA9557PWT by Texas Instruments and PCA9557PWR by NXP Semiconductors. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
NXP Semiconductors
PCA9557PWR - 8-Bit I2C I/O Expander | NXP | 16-TSSOP (Tape & Reel)
PCA9557PWR ✓ ActiveSpecification Comparison
| Parameter | PCA9557PWT | PCA9557PWR |
|---|---|---|
| Brand | Texas Instruments | NXP Semiconductors |
| Category | I/O Expanders | Interface ICs |
| Lifecycle Status | Active | Active |
| Number of I/O Ports | 8 ports | — |
| Interface | I2C/SMBus | — |
| I2C Bus Frequency | 400 kHz | — |
| Operating Supply Voltage | 2.3 V to 5.5 V | — |
| Port Register Width | 8 bits | — |
| Input Port Register | 8-bit register | — |
| Output Port Register | 8-bit register | — |
| Configuration Register | 8-bit configuration register | — |
| Reset Function | Yes | — |
| IO0 Output Type | High-impedance open-drain | High-impedance open-drain output |
| Package | 16-pin TSSOP (PW) | 16-pin TSSOP |
| Package Type | TSSOP | — |
| Mounting Type | Surface mount | Surface mount |
| Operating Temperature Range | -40 °C to +85 °C | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | unknown |
| REACH Status | [DATA_NEEDED: REACH status] | unknown |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification] | unknown |
| Product Type | — | 8-bit parallel I/O expander |
| Bus Interface | — | I2C/SMBus |
| VCC Operating Voltage | — | 2.3 V to 5.5 V |
| I2C/SMBus Maximum Frequency | — | 400 kHz |
| Input Port | — | 8-bit |
| Output Port | — | 8-bit |
| Parallel I/O Count | — | 8 I/O |
| Supply Current | — | [DATA_NEEDED: supply current] |
| Input Logic Levels | — | [DATA_NEEDED: input logic levels] |
| Output Logic Levels | — | [DATA_NEEDED: output logic levels] |
| I2C Address | — | [DATA_NEEDED: I2C address] |
| Operating Temperature | — | [DATA_NEEDED: operating temperature range] |