PCA9555DB vs PCA9500PW Comparison
Detailed side-by-side comparison of PCA9555DB by NXP Semiconductors and PCA9500PW 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 | PCA9555DB | PCA9500PW |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Device Type | 16-bit I2C/SMBus GPIO expander with interrupt | — |
| GPIO Count | 16 bits | — |
| Operating Voltage Range | 2.3 V to 5.5 V | — |
| I2C Maximum Frequency | 400 kHz | — |
| I2C/SMBus Interface | Two-wire serial interface | — |
| I/O Port Configuration | Input or output per bit | — |
| I/O Port Tolerance | 5 V tolerant | — |
| Interrupt Output | Active-low, open-drain | — |
| Standby Current | 1 uA maximum | — |
| Package Type | SSOP-24 | — |
| Package Pitch | 1.0 mm | — |
| Mounting Type | Surface mount | Surface mount |
| Device Pin Count | 24 pins | — |
| Serial Addressing | Seven-bit I2C address; [DATA_NEEDED: address table] | — |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | -40 °C to +85 °C |
| RoHS Status | unknown | — |
| REACH Status | unknown | — |
| AEC-Q100 Qualification | [DATA_NEEDED: automotive qualification status] | — |
| Product Type | — | 8-bit I2C-bus and SMBus I/O port expander with EEPROM |
| Number of I/O Pins | — | 8 pins |
| I/O Direction Control | — | Independent input or output configuration per pin |
| I/O Port Type | — | Quasi-bidirectional |
| Integrated EEPROM Capacity | — | 2 kbit |
| Bus Interface | — | I2C-bus and SMBus |
| Maximum Bus Frequency | — | 400 kHz |
| Supply Voltage Range | — | 2.5 V to 3.6 V |
| Hardware Address Inputs | — | 3 address pins |
| Maximum Devices on One Bus | — | 8 devices |
| Package | — | 16-pin TSSOP |
| GPIO and EEPROM Addressing | — | Two separate devices visible to the bus master |
| Reference Interface | — | PCF8574-compatible configuration method |
| RoHS Compliance | — | [DATA_NEEDED: verified RoHS status] |
| REACH Compliance | — | [DATA_NEEDED: verified REACH status] |
| Automotive Qualification | — | [DATA_NEEDED: AEC-Q100 qualification status] |