C4336 is an add/subtract digital timer IC that can directly drive a standard 4-bit 1/4 duty cycle LCD screen. The maximum countdown time is 59:59/99:59 timer IC. The counting cycle time can be selected as 60min or 100min, and the alarm time can be selected as 32s or 64s (2kHz). The counting function or subtraction function can be selected through the option pin, and the automatic sleep function can be activated through the option pin. The reasonable input options and universal functions make the chip versatile, such as parking timer alarm, medicine box timer, kitchen timer, etc.
? Special alarm triggered output switch can control or drive another voice IC
Internal boost circuit
? 32768Hz crystal oscillator frequency
? Single 1.5V battery operation
? Can directly drive the buzzer
? Supports 4-digit LCD display
? The maximum countdown time is 59:59 or 99:59 (selected by threading)
? Can be used as a countdown function (selected by threading)
? Can be adjusted separately to set "minutes" and "seconds"
? When both MSET and SSET are pressed simultaneously, the timer resets
? Alarm prompt frequency is 2kHz, with a prompt time of 32s or 64s (selected by wiring)
? 32s automatic sleep mode can be set
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