TCA9539PWR vs PCA9539PW Comparison
Detailed side-by-side comparison of TCA9539PWR by Texas Instruments and PCA9539PW 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 | TCA9539PWR | PCA9539PW |
|---|---|---|
| Brand | Texas Instruments | NXP Semiconductors |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Product Type | 16-bit I2C and SMBus low-power I/O expander | 16-bit general-purpose I/O expander |
| Number of I/O Lines | 16 | 16 |
| Operating Supply Voltage Range | 1.65 V to 5.5 V | — |
| Maximum I2C Clock Frequency | 400 kHz | — |
| Serial Interface | I2C and SMBus | — |
| Package | 24-pin TSSOP (PW) | 24-pin TSSOP |
| Mounting Type | Surface mount | Surface mount |
| Address Inputs | A0 and A1 hardware-selectable inputs | — |
| Maximum Devices per I2C Bus | 4 | — |
| Interrupt Output | Yes | — |
| Reset Input | Yes | — |
| Configuration Registers | Yes | — |
| Power-On Reset | Yes | — |
| Port Operation | Input, output, or mixed-direction operation | — |
| Number of Supply Pins | 2 | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: REACH status] |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | — |
| Quiescent Current | [DATA_NEEDED: quiescent current] | — |
| Input/Output Current per Line | [DATA_NEEDED: input/output current per line] | — |
| I2C Address | [DATA_NEEDED: I2C slave address] | — |
| Interface | — | I2C/SMBus |
| Supply Voltage Range | — | 2.3 V to 5.5 V |
| Maximum Bus Frequency | — | 400 kHz |
| Interrupt Support | — | Yes |
| Reset Support | — | Yes |
| Output Configuration | — | Push-pull output |
| Device Classification | — | CMOS interface IC |
| Host Compatibility | — | Microcontrollers and other I2C/SMBus hosts |
| I/O Mode | — | Input or general-purpose output |
| Address Configuration | — | Configurable registers; details require datasheet verification |
| Operating Temperature | — | [DATA_NEEDED: operating temperature range] |
| ESD/HBM Compliance | — | [DATA_NEEDED: ESD/HBM rating] |
| Automotive Qualification | — | [DATA_NEEDED: AEC-Q100 status] |
| Pinout | — | [DATA_NEEDED: complete manufacturer pinout] |