Christmas Lamp Controller  
Part No. Features Operating  Voltage(Typ) Package
Oscillator Frequency(KHz)
801/802 3/4 Strings Xmas Light Control

*Adjustable flash rate.
*Programmable 2/3/4 strings of bulbs.
*UTC 801 sequential mode for about 57 sec. 4 light
string flash for about 3 sec. according to normal fosc.
then back to sequential again.
*UTC 802 sequential mode only.
3.6V DIP-8 
150Hz
8156 8-Functions X'mas Light Control

* 8 Functions
* Rotary Switch Select
* Built in PLL, 50/60Hz Auto Detect
4.0V DIP-16 DIP-18
250KHz
1668 Dual Tone Melody Xmas Light Control

* 5 SCR outputs.
* 2 Mode sequence trigger key
* Mode 0: 7 function Vol pin control volume.
Mode 1: 8 function Auto Volume control.
* OPT: ”Floation” Mode 0
“VSS” Mode 1.
4.3V DIP-16
100KHz
*: Under  Development