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Package Type: DIP, QTC Description: The 6N138 is an optocoupler IC with an open collector output. It is a high-speed, high-sensitivity optocoupler with a low input current. Features: High speed response Low input current High sensitivity Open collector output Low power consumption Compatible with TTL and CMOS logic Applications: Isolation of digital signals Interfacing between two different logic families Motor control Power supply control Industrial automation (For reference only)