| P/N |
Package Type |
Function |
Work
Voltage |
Data Sheet |
Online Sound |
| HK223 |
DIP-8L |
| * |
Single tone melody IC with 128 musical notes, several standard songs available |
| * |
Built in 1 LED flash output for sound output indication |
| * |
3 trigger mode option for one shot non re-trigger (TG1 pin), level hold trigger (TG2 pin) and power on / off types (TG1 and TG2 are connected to VDD) |
| * |
Speaker or buzzer for sound output device |
|
1.4V ~ 3.5V |
HK223 |
HK223-07
HK223-13
HK223-21
HK223-1D
HK223-1F
HK223-2A
HK223-2H
HK223-3G
HK223-3Q
HK223-6A |
| HK226 |
DIP-8L |
| * |
Key founder IC |
| * |
With a string " bi bi ..." sound output when Buzzer device detected a whistle sound (frequency between 1K Hz ~ 2K Hz ) |
| * |
Built in 1 LED flash output for sound out indication |
| * |
Input signal detect device and sound output device are same buzzer |
|
2.2V ~ 5.0V |
HK226 |
- - - |
| HK66T |
TO92-3L |
| * |
Single tone melody IC with 64 musical notes, 7 standard songs available |
| * |
Always sound output when power supply is connected |
| * |
Simple application circuit |
| * |
Speaker or buzzer for sound output device |
|
1.5V ~ 4.5V
|
HK66T |
HK66T-05
HK66T-08
HK66T-11
HK66T-19
HK66T-32
HK66T-OA |
| HK77T |
TO92-3L |
| * |
Dual tone melody IC with 128 musical notes |
| * |
Always sound output when power supply is connected |
| * |
Simple application circuit |
| * |
Speaker or buzzer for sound output device |
|
1.5V ~ 4.5V |
HK77T |
|
