PCA9535PW vs PCA9555PW Comparison
Detailed side-by-side comparison of PCA9535PW by NXP Semiconductors 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 | PCA9535PW | PCA9555PW |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Device Type | 16-bit I2C/SMBus GPIO expander with interrupt output | 16-bit I2C-bus/SMBus GPIO expander |
| Number of I/O Ports | 16 ports | — |
| Interface Type | I2C and SMBus | — |
| I2C Maximum Clock Frequency | 400 kHz | — |
| Operating Supply Voltage Range | 2.3 V to 5.5 V | — |
| Package | 24-TSSOP | 24-pin TSSOP |
| Package Width | 4.40 mm | — |
| Package Length | 0.173 in | — |
| Mounting Type | Surface mount | Surface mount |
| Standby Current | 1 uA maximum | — |
| Interrupt Output | Yes | — |
| Configuration Registers | Yes | — |
| Internal I/O Pull-Up Resistors | Not fitted | — |
| PCF8575 Compatibility | Pin-to-pin and I2C-address compatible with software changes required | — |
| Related Device Relationship | Functionally equivalent to PCA9555 except internal I/O pull-up resistors are removed | — |
| Device Class | CMOS I/O port expander | — |
| Operating Status | Production | — |
| RoHS Status | [DATA_NEEDED: RoHS compliance] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH compliance] | [DATA_NEEDED: REACH status] |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification] | [DATA_NEEDED: AEC-Q100 qualification] |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | — |
| 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] |