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In 1998 the big Christmas toy was an interactive animatronic pet. How intelligent was it really? What hardware was crammed into the fluffy exterior? I guess there is only one way to find out - tear it down! bit.ly/2Xls86m
The ICs are:
An LM234 Adjustable current source (a power controller)
an HT93LC46 - 1K EEPROM (non-volatile memory, or its storage)
an IC with smudged text - although we understand it is an audio amplifier!
and 2 potted ASICs which we understand is the CPU and ROM.