PCA9555PW vs PCA9535PW Comparison
Detailed side-by-side comparison of PCA9555PW by NXP Semiconductors and PCA9535PW 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 | PCA9555PW | PCA9535PW |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Device Type | 16-bit I2C-bus/SMBus GPIO expander | 16-bit I2C/SMBus GPIO expander with interrupt output |
| Number of GPIO Ports | 16 ports | — |
| Package | 24-pin TSSOP | 24-TSSOP |
| 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 | — |
| Mounting Type | Surface mount | Surface mount |
| 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] | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS compliance] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: REACH compliance] |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification] | [DATA_NEEDED: AEC-Q100 qualification] |
| 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 Width | — | 4.40 mm |
| Package Length | — | 0.173 in |
| 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 |
| Operating Temperature Range | — | [DATA_NEEDED: operating temperature range] |