TCA9538PWR vs PCA9557PWR Comparison
Detailed side-by-side comparison of TCA9538PWR 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 | TCA9538PWR | PCA9557PWR |
|---|---|---|
| Brand | Texas Instruments | NXP Semiconductors |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Product Type | 8-bit I2C/SMBus I/O expander | 8-bit parallel I/O expander |
| Number of I/O Lines | 8 lines | — |
| Supply Voltage Range | 1.65 V to 5.5 V | — |
| Maximum I2C Clock Frequency | 400 kHz | — |
| Supported I2C Modes | 100 kHz Standard-mode and 400 kHz Fast-mode | — |
| Interface Protocol | I2C and SMBus | — |
| Interrupt Output | Yes | — |
| Reset Register | Yes | — |
| Configuration Registers | Yes | — |
| Hardware Address Inputs | 2 address inputs | — |
| Maximum Devices per I2C Bus | 4 devices | — |
| Operating Temperature Range | -40 °C to 125 °C | — |
| Package | 16-pin TSSOP | 16-pin TSSOP |
| Mounting Type | Surface mount | Surface mount |
| RoHS Status | Compliant | unknown |
| Lead-Free Status | [DATA_NEEDED: lead-free status] | — |
| REACH Status | [DATA_NEEDED: REACH status] | unknown |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification status] | unknown |
| Quiescent Current | [DATA_NEEDED: quiescent current] | — |
| I/O Output Current | [DATA_NEEDED: per-pin output current] | — |
| 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 |
| IO0 Output Type | — | High-impedance open-drain output |
| 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] |