Doorbell IC HK522

  • Model No.:HK522 DIP-16L
  • Made in:Taiwan
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Key Features

* 3 kinds of door bell sounds.

* Built 256 musical notes ROM memory with dual tone musical effect in IC body.

* 3 independt songs to be playing from 3 trigger pins (TG1, TG2, TG3).

* 1 sequence trigger (SQ pin) for 3 songs output when SQ pin had sequence triggered.

               PIN                         SOUND LIST     

               TG1                  "DING DONG" (1 Time)

               TG2                  "DING DING" (1 Time)

               TG3                   West Minister Bell

                 SQ                   Sequence Output From

                                         Sounds of TG1, TG2, TG3 pin 

* Application: Door bells, door phones, security systesm, alarm systems.

* Package Type: DIP-16L