Oracle 18c

By using db<>fiddle, you agree to license everything you submit by Creative Commons CC0.

CREATE TABLE your_table (
  dt date,
  CONSTRAINT dt_chk check (dt=trunc(dt,'MI'))
);
insert into your_table (dt) values(cast(timestamp '2020-07-14 12:13:00' as date));
1 rows affected

insert into your_table (dt) values(cast(timestamp '2020-07-14 12:13:01' as date));
ORA-02290: check constraint (FIDDLE_QCZEAHIJGLTUWXVNIYPR.DT_CHK) violated

insert into your_table (dt) values(cast(timestamp '2020-07-14 12:13:14' as date));
ORA-02290: check constraint (FIDDLE_QCZEAHIJGLTUWXVNIYPR.DT_CHK) violated