Heat oven to 300 degrees
Prepare Chocolate Crumb Crust : combine ingredients and press firmly on bottom of 9 inch springform pan
In heavy saucepan, over very low heat, melt chips, stirring constantly
In large mixer bowl, beat cheese until fluffy
Gradually beat in sweetened condensed milk until smooth
Add melted chocolate chips and remaining ingredients
Mix well
Pour into prepared pan
Bake 65 minutes or until center is set
Cool
Chill
Refrigerate leftovers