UM3561
UM3561 is UM3561A Three Siren Sound Generator manufactured by BOWIN ELECTRONIC.
Bowin Microelectronics _________________________________________________________ UM3561A Three Siren Sound Generator
Features
- Four sounds can be selected
- Typical 3V operating voltage
- 8-pin DIP package form
- Power on reset.
- A magnetic speaker can be driven by connecting an NPN transistor
General Description UM3561 is a low-cost, low-power CMOS LSI designed for use in alarm and toy applications. Since the integrated circuit includes oscillator and selector circuits, a pact sound module can be constructed with only a few additional ponents. The M3561 contains a programmed mask ROM to simulate siren...
