PCF8575PW vs PCA9555PW Comparison
Detailed side-by-side comparison of PCF8575PW by Texas Instruments and PCA9555PW 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 | PCF8575PW | PCA9555PW |
|---|---|---|
| Brand | Texas Instruments | NXP Semiconductors |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Unknown | Active |
| Number of I/O Ports | 16 ports | — |
| Operating Supply Voltage Range | 2.5 V to 5.5 V | — |
| Interface Type | I2C/SMBus, 2-wire serial | — |
| Maximum I2C Bus Frequency | 400 kHz | — |
| Hardware Address Inputs | 3 inputs, supporting up to 8 devices | — |
| Interrupt Output | Open-drain | — |
| Maximum Standby Current | 10 µA | — |
| Output Port Configuration | 16 individually latched ports | — |
| Output Drive Capability | High-current LED drive capability | — |
| High-Level Output Drive | Current source to VCC | — |
| Microcontroller Compatibility | Compatible with most microcontrollers | — |
| Package | 24-pin TSSOP (PW) | 24-pin TSSOP |
| Mounting Type | Surface mount | Surface mount |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | — |
| Maximum Output Current per Port | [DATA_NEEDED: output current per port] | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: REACH status] |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification status] | [DATA_NEEDED: AEC-Q100 qualification] |
| Device Type | — | 16-bit I2C-bus/SMBus GPIO expander |
| Number of GPIO Ports | — | 16 ports |
| Supply Voltage Range | — | 2.3 V to 5.5 V |
| I2C/SMBus Frequency | — | 400 kHz |
| Interrupt Support | — | Yes |
| Default GPIO Pull-Up Resistors | — | Yes |
| I/O Direction | — | Configurable input or output per port bit |
| Device Interface | — | I2C-bus/SMBus |
| Logic Family | — | CMOS |
| Pin Count | — | 24 pins |
| Operating Temperature | — | [DATA_NEEDED: operating temperature range] |
| Output Drive Current | — | [DATA_NEEDED: output drive current] |
| Input Leakage Current | — | [DATA_NEEDED: input leakage current] |
| I2C Address Options | — | [DATA_NEEDED: I2C address options] |
| Power Consumption | — | [DATA_NEEDED: power consumption] |