The TCA9554DWT is an 8-bit parallel I/O port expander from Texas Instruments, designed for industrial temperature applications. It operates within a supply voltage range of 1.65 to 5.5 volts and features a 16-pin SOP package. The device supports up to 0.4 MHz clock frequency and offers 8 I/O lines. It is suitable for use in general-purpose applications and as a parallel IO port.
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Texas Instruments TCA9554DWT technical specifications.
| Max Operating Temperature | 85 |
| Number of Terminals | 16 |
| Min Operating Temperature | -40 |
| Terminal Position | DUAL |
| JEDEC Package Code | R-PDSO-G16 |
| Width | 7.5 |
| Length | 10.3 |
| Temperature Grade | INDUSTRIAL |
| Supply Voltage-Nom | 1.8 |
| Supply Voltage-Min | 1.65 |
| Supply Voltage-Max | 5.5 |
| Number of Bits | 8 |
| Clock Frequency-Max | 0.4 |
| Number of Ports | 1 |
| uPs/uCs/Peripheral ICs Type | PARALLEL IO PORT, GENERAL PURPOSE |
| Number of I/O Lines | 8 |
| RoHS | Yes |
| Lead Free | Yes |
| REACH | Compliant |
| Military Spec | False |
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