UM-66

৳ 22.00

UM66 Musical IC

Description

UM66

UM66 is a melody generating IC commonly used in calling bell, phone, toys, musical bell in doors, home security alarm systems, burglar alarms etc. It is a three pin IC looks like a transistor. Its first pin is ground, second is VCC and the third is the melody output.

Specification:

  • 64-Note Rom memory
  • 1.5V ~ 4.5V power supply and low power consumption
  • dynamic speaker can be driven with external NPN transistor
  • OSC resistor hold mode
  • Power on reset: melody begins from the first note
  • Built in level hold mode

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