Function description of 469c 5-minute Timing IC chip and lamp string timing chip
1. At 5 minutes, the input voltage of IC chip is 4.2V of lithium battery.
2. If the power on does not work, press the button once, the LED will be on, and it will automatically turn off after 5 minutes of timing. Press the button repeatedly during work, and re time for 5 minutes.
3. Static low power consumption.
4. Electrical performance (VDD = 3.0V, GND = 0, Ta = 25 ℃, FOSC = 500KHz, IRC is used, unless otherwise specified)