PinoutDescriptionTHe features of SB3298: 1. Operating voltage: 1.35V - 5.00VDC2. Sound: reversing a continuous sound of Bi Bi3. BZ1, BZ2: reversing the sound output of: a. BZ1 - duty = 1 / 3: b. BZ2 - duty = 1 / 64. KEY: LEVEL HOLD mode, then VDD5. Rosc: external resistor speed of adjustment6. LA...
SB3298: PinoutDescriptionTHe features of SB3298: 1. Operating voltage: 1.35V - 5.00VDC2. Sound: reversing a continuous sound of Bi Bi3. BZ1, BZ2: reversing the sound output of: a. BZ1 - duty = 1 / 3: b. BZ...
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THe features of SB3298:
1. Operating voltage: 1.35V - 5.00VDC
2. Sound: reversing a continuous sound of Bi Bi
3. BZ1, BZ2: reversing the sound output of: a. BZ1 - duty = 1 / 3: b. BZ2 - duty = 1 / 6
4. KEY: LEVEL HOLD mode, then VDD
5. Rosc: external resistor speed of adjustment
6. LAMP: positive output - connected NPN 8050 transistor, with the brightness of Bi Bi sound off
7. LED: negative output - connected NPN 8050 transistor, with the brightness of Bi Bi sound off