HEAT oven to 350°F.

CRUSH 16 cookies into fine crumbs; place in bowl. Add butter; mix well. Press onto bottom of 9-inch springform pan.

BEAT cream cheese, sugar and vanilla in large bowl with mixer until well blended. Add eggs, 1 at a time, beating after each just until blended. Chop or crush remaining cookies. Gently stir half the chopped cookies into cream cheese batter. Pour over crust; sprinkle with remaining chopped cookies.

BAKE 45 min. or until centre is almost set. Run knife around rim of pan to loosen cake; cool before removing rim. Refrigerate 4 hours.