SNC579 Datasheet, SONiX

Single power supply 2.4V
  – 5.5V 42 seconds voice capacity are provided(@6KHZ sample rate) Built in a 4-bit tiny controller One 4-bit input port, two 4-bit.

including voice section combination, key trigger arrangement, output control, and other logic functions can be easily im.

I Bit3 ~ Bit0 of Input port 1 I/O Bit3 ~ Bit0 of I/O port 2 I/O Bit3 ~ Bit0 of I/O port 3 O Bit3 ~ Bit0 of Output port 4 O Bit3 ~ Bit0 of Output port 5 I/O Bit3 ~ Bit0 of I/O port 6 P Positive power supply P Negative power supply I Reset pin (active .