Holtek Datasheets/Pinouts?

I picked up some discontinued (i.e. datasheets no longer on the web site) Holtek parts the other day. I was hoping someone could point me to either
datasheets or pinout diagrams for the following parts:
HT605L HT611 HT691 HT694 HT6150
Thanks in advance. You can email me directly if you remove the "x" characters from the address.
Jeff Shirley
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