PCA9557D
IC XPNDR 400KHZ I2C SMBUS 16SOICManufacturer: Texas Instruments
Categories: I/O Expanders
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Texas Instruments PCA9557D is an 8-bit I/O expander designed for I2C and SMBus interfaces, operating at up to 400 kHz clock frequency. This device provides 8 configurable I/O pins, supporting both open-drain and push-pull output types, with source/sink current capabilities of 10mA and 25mA respectively. Featuring Power-On Reset (POR), the PCA9557D is housed in a 16-SOIC package suitable for surface mounting. Its operating temperature range is -40°C to 85°C, and it is compatible with supply voltages from 2.3V to 5.5V. This component finds application in various industrial automation, consumer electronics, and automotive systems requiring efficient expansion of digital I/O capabilities.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: BulkDatasheet:Download Free CAD Model:
Technical Details:
| Features | POR |
| Packaging | Bulk |
| 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-SOIC |
| Current - Output Source/Sink | 10mA, 25mA |
| Programmable | Not Verified |
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