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Digital Optical TTL Coupler Circuit Diagram


Digital Optical TTL Coupler Circuit Diagram. TTL converter options for underwater photography, TTL converters and strobes that support optical TTL. For higher speed applications, up to 1-MHz NRZ, the Schmitt-trigger output HllL series optoisolator provides many features. The 1.6-mA drive current allows fan-in circuitry to drive the IRED, while the 5-V, 270-0 sink capability and lOOns transition times of the output add to the logic coupliug flexibility. 



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