PCA9557D/DG,118
IC XPNDR 400KHZ I2C SMBUS 16SOManufacturer: NXP USA Inc.
Categories: I/O Expanders
Quality Control: Learn More
NXP USA Inc. PCA9557D-DG-118 is an 8-bit I/O expander designed for efficient system expansion via I2C or SMBus interfaces. Operating at clock frequencies up to 400 kHz, this device offers 8 general-purpose I/O pins configurable as input or output. Each pin supports output sourcing up to 10mA and sinking up to 25mA, with outputs available in open-drain or push-pull configurations. The PCA9557D-DG-118 features a Power-On Reset (POR) circuit ensuring reliable initialization. Its compact 16-SOIC package (16-SO) is suitable for surface mounting and is supplied on tape and reel (TR) for automated assembly. The operating voltage range is 2.3V to 5.5V, and it functions across an industrial temperature range of -40°C to 85°C. This component finds application in various industries including industrial automation, consumer electronics, and telecommunications, where expanding microcontroller I/O capabilities is critical.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Datasheet:Download Free CAD Model:
Technical Details:
| Features | POR |
| Packaging | Tape & Reel (TR) |
| 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, 25mA |
| Programmable | Not Verified |
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