It's on this sheet...
http://www.farnell.com/datasheets/1388168.pdf
The TLC555CP or TLC555IP, the only difference I can determine is the operation temp window. ???
I was considering using a couple of 1/3N lithium cells in a home made holder. The reason behind this is I want it to be portable and space is really limited inside the model I'm considering using it on as I want the inside details showing as well through the open hatches.
I just had another thought that if I can get a variety of different flash rates off a 4060 then I might be able to use that.
I'm just compiling a shopping list to get some stuff and have a go 8)