Table schema:
CREATE TABLE table_name_64 (frequency VARCHAR, voltage VARCHAR, part_number_s_ VARCHAR)

Question: Which frequency has voltage of 1.6v and part number kp80524kx300256kc80524kx300256pmg30002002aa?
SQL: SELECT frequency FROM table_name_64 WHERE voltage = "1.6v" AND part_number_s_ = "kp80524kx300256kc80524kx300256pmg30002002aa"