PCA9535DWR vs PCA9539PW Comparison
Detailed side-by-side comparison of PCA9535DWR 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.
Texas Instruments
PCA9535DWR - 16-Bit 400kHz I/O Expander | Texas Instruments (Tape & Reel)
PCA9535DWR ✓ Active
Specification Comparison
| Parameter | PCA9535DWR | PCA9539PW |
|---|---|---|
| Brand | Texas Instruments | NXP Semiconductors |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Device Type | 16-bit I2C/SMBus I/O expander | — |
| Number of I/O Lines | 16 | 16 |
| Supply Voltage Range | 2.3 V to 5.5 V | 2.3 V to 5.5 V |
| Interface | I2C and SMBus | I2C/SMBus |
| Maximum Clock Frequency | 400 kHz | — |
| Interrupt Output | Open-drain interrupt output | — |
| Configuration Registers | Yes | — |
| Port Configuration | 16 individual general-purpose I/O ports | — |
| Low Standby Current | 1 uA maximum | — |
| Package | 24-pin SOIC, 0.295 inch / 7.50 mm width | 24-pin TSSOP |
| Packaging | Tube | — |
| Mounting Type | Surface mount | Surface mount |
| Operating Temperature | -40 C to +85 C | [DATA_NEEDED: operating temperature range] |
| Bus Addressing | Address configuration registers; exact address range [DATA_NEEDED: bus address range] | — |
| Input Logic Levels | [DATA_NEEDED: input logic thresholds] | — |
| Output Drive Current | [DATA_NEEDED: output drive current] | — |
| I/O Pin Direction Control | Configurable per port; exact register details [DATA_NEEDED: direction register map] | — |
| ESD Protection | [DATA_NEEDED: ESD ratings] | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: REACH status] |
| Product Type | — | 16-bit general-purpose I/O expander |
| 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 |
| ESD/HBM Compliance | — | [DATA_NEEDED: ESD/HBM rating] |
| Automotive Qualification | — | [DATA_NEEDED: AEC-Q100 status] |
| Pinout | — | [DATA_NEEDED: complete manufacturer pinout] |