Candle-flicker LED (see http://cpldcpu.wordpress.com/2013/12/08/hacking-a-candleflicker-led/)
TODO
No photos at this time
Die size: 545 x 620 μm (0.34 mm2)
Delayered to M1 barrier with HF:
Someone on Hackaday found an alternate controller in a similar chip that seems LFSR based: http://i.imgur.com/7cafiA3.jpg
Definitely not the same chip.