Part marking lookup
Use this tool to find TI product information based on package top markings. You may search by actual marking on a TI part, or by a TI part number.
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Part number
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Marking | Package | Pins |
Status
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Description
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|---|---|---|---|---|
| TCA9539RTWR | PW539 | RTW | 24 |
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16-bit 1.65- to 5.5-V I2C/SMBus I/O expander with interrupt, reset & config registers |