✸ 5 kind ICs available for Animals , Train , Baby cry & laugh , Truck , Car sounds ✸ Fixing sound output with 4 sections each kind IC by 4 trigger keys ( TG1 ~ TG4 pin) option ✸ Trigger mode of TG1 ~ TG4 pin fixed in IC body by One-shot non re-trigger , Level hold or One-shot re-trigger.
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HK637. For precise diagrams, and layout, please refer to the original PDF.
HK637 SOUND EFFECT IC Page ( 2/1 ) Animals , Train , Baby , Truck , Car sound Features ✸ 5 kind ICs available for Animals , Train , Baby cry & laugh , Truck , Car sounds ...
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available for Animals , Train , Baby cry & laugh , Truck , Car sounds ✸ Fixing sound output with 4 sections each kind IC by 4 trigger keys ( TG1 ~ TG4 pin) option ✸ Trigger mode of TG1 ~ TG4 pin fixed in IC body by One-shot non re-trigger , Level hold or One-shot re-trigger Application ✸ Toys , Education kits , Sound box Electrical Characteristics Characteristics Sym. Min. Typ. Max. Unit Operating voltage VDD 2.6 3 5.1 V Output driving current IoD ---4.