PCA9557D,112
IC XPNDR 400KHZ I2C SMBUS 16SOManufacturer: NXP USA Inc.
Categories: I/O Expanders
Quality Control: Learn More
NXP USA Inc. PCA9557D-112 is an 8-bit I/O expander. This device facilitates expansion of microcontroller capabilities through an I2C or SMBus interface, operating at clock frequencies up to 400 kHz. It features eight bidirectional I/O pins configurable as either input or output. The PCA9557D-112 supports open-drain and push-pull output types. Power supply voltage ranges from 2.3V to 5.5V. Output current sourcing and sinking capabilities are 10mA and 20mA respectively. The device includes a Power-On Reset (POR) function. Packaged in a 16-SOIC (0.154", 3.90mm Width) form factor for surface mounting, this component is suitable for applications across industrial automation, consumer electronics, and automotive systems.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDatasheet:Download Free CAD Model:
Technical Details:
| Features | POR |
| Packaging | Tube |
| Package / Case | 16-SOIC (0.154"", 3.90mm Width) |
| Output Type | Open Drain, Push-Pull |
| Mounting Type | Surface Mount |
| Interface | I2C, SMBus |
| Number of I/O | 8 |
| Operating Temperature | -40°C ~ 85°C |
| Voltage - Supply | 2.3V ~ 5.5V |
| Clock Frequency | 400 kHz |
| Interrupt Output | No |
| Supplier Device Package | 16-SO |
| Current - Output Source/Sink | 10mA, 20mA |
| Programmable | Not Verified |