SN65HVD1781DR – TEXAS INSTRUMENTS

The Texas Instruments SN65HVD1781DR is a single-channel, high-speed, voltage-level translator designed for interfacing between 1.8V and 3.3V logic domains. This device operates with a wide input voltage range of 1.65V to 3.6V, enabling robust operation across varying power supply conditions. It features a fast propagation delay of typically 4.5ns, making it suitable for high-speed data transmission applications. The SN65HVD1781DR employs a robust ESD protection structure exceeding 2kV HBM, ensuring reliable performance in harsh environments._x000D_
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Packaged in a space-saving 4-pin SOT-23 package, it minimizes board space requirements. Its unidirectional operation simplifies circuit design, translating signals from a lower voltage domain to a higher one. Common applications include interfacing microcontrollers operating at 1.8V with higher-voltage peripherals like 3.3V memory or communication interfaces. The device’s low power consumption, typically 1.5mW at 3.3V, contributes to improved battery life in portable devices. Its key advantages lie in its speed, robust ESD protection, and compact footprint, making it an ideal choice when minimizing latency and maximizing reliability in mixed-voltage systems.