H74A1 series datasheets. Manufacturer: GESS.

H74A1 Photon coupled isolator. Ga As infrared emitting diode & NPN silicon photo-transistor. TTL interface. in 6-pin Dual-in-line plastic package. Operational temperature range from 0°C to 70°C. Datasheet*) H74A1 Photon coupled isolator. Ga As infrared emitting diode & NPN silicon photo-transistor. TTL interface. in 6-pin Surface-mount packaging package. Operational temperature range from 0°C to 70°C. Datasheet*)

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