PRODUCT
 
(4) Doorbell IC
 
P/N Package Type Function Work
Voltage
Data Sheet Online Sound
HK592

TO92-4L

* Single tone sound effect, " Ding - Dong " with twice for sound output when trigger pin is touched
* Trigger mode by one shot non re-triggrt
* Simple and lowest cost for components assembly
1.8V ~ 5.2V HK592 HK592

HK527

HK537

DIP-8L

DIP-14L

* Dual tone sound effect , " Ding - Dong " for sound output
* HK527 fixed twice for sound output
* HK537 can be option twice or one time for sound output
* Sound quality can be modify from envelope circuit’s resistor or capacitor value changing
2.2V ~ 5.6V

HK527
&
HK537

HK527
&
HK537

HK522

DIP-16L

* Dual tone sound effect , " Ding - Dong ", " Ding - Ding " and " West minister bell " for 3 sounds available
* 3 independence song to be playing form 3 trigger pins (TG1, TG2, TG3)
* SQ pin available, 3 sounds can be sequence output when SQ pin is sequence triggered
* Sound quality can be modify from Rosc (oscillator resistor ) value
1.8V ~ 3.6V
HK522 HK522
HK523

DIP-16L

* Dual tone sound effect , " Ding - Dong " and " Bird " sound for 2 sounds available
* 2 sounds to be playing from 2 independence trigger pins
* Trigger mode by one shot re-trigger type
* Sound quality can modify from envelope's capacitor or Rosc ( oscillator resistor ) value changing
2.6V ~ 5.6V HK523 HK523
HK524

DIP-16L

* Dual tone sound effect , " Ding - Dong "," Ding " and " West minister bell " for 3 sounds available
* Built 256 musical notes ROM memory with dual tone sound effect in IC body
* Less components on application circuit
* 3 independence song to be playing form 3 trigger pins (TG1, TG2, TG3)
1.9V ~ 4.8V
HK524 HK524
HK525

DIP-16L

* Dual tone sound effect , " Ding - Dang - Dong ” , " Ding - Dong " and " West minister bell " for 3 sounds available
* Built 256 musical notes ROM memory with dual musical effect in IC body
* Less components on application circuit
* 3 independence song to be playing form 3 trigger pins(TG1, TG2, TG3)
1.8V ~ 4.8V HK525 HK525
HK528

DIP-16L

* Dual tone sound effect , " Ding - Dong ” , “ West minister bell " and “ For Alice “ song for 3 sounds available
* Built 256 musical notes ROM memory with dual musical effect in IC body
* Less components on application circuit
* 3 independence song to be playing form 3 trigger pins(TG1, TG2, TG3 )
1.9V ~ 4.8V
HK528 HK528
HK529

DIP-16L

* Dual tone sound effect , " Ding - Dong “ , “ di , di , di , di , di alarm ” and " For Alice " song for 3 sounds available
* Built 256 musical notes ROM memory with dual musical effect in IC body
* Less components on application circuit
* 3 independence song to be playing form 3 trigger pins(TG1, TG2, TG3)
1.9V ~ 4.8V HK529 HK529
 
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