HT2040A Datasheet | Holtek Semiconductor

.. HT2040A Christmas Light Controller Features - - - - - - Operating voltage: 4.5V~5.5V 4 SCR direct drive outputs 10 different groups of lighting patterns Up to 8 patterns for each group Demonstration function One key activation function - - - - Up to 23 patterns can be programmed inside Built-in PLL circuit 50Hz or 60Hz AC power supply applications Default 12 patterns for standard applications General Description The HT2040A is a low cost, low power CMOS LSI chip designed for use in Christmas lighting control products. It provides 4 SCR outputs to control the lamps. The lamps can display up to 10 different groups of lighting patterns, where each pattern or pattern...