Patent ID: 7408245

Claim:
An IC package comprising: a plurality of first side leads and a plurality of second side leads of a leadframe, wherein the first side leads are longer than the second side leads and exceed a center line of the package; a plurality of first die-attach tape strips mutually parallel and adhered onto a plurality of lower surfaces of the first side leads; a first chip having an active surface adhered onto the first die-attach tape strips, wherein at least a mold-flow channel is formed through the first chip, the first side leads and the first die-attach tape strips, wherein the first chip has a plurality of single-side pads formed at one side of the active surface and located at a non-central gap between the first side leads and the second side leads; a plurality of first bonding wires electrically connecting the single-side pads to the first side leads and the second side leads; at least a second chip having a backside attached onto the first side leads without covering the non-central gap; a plurality of second bonding wires electrically connecting the second chip to the first side leads and the second side leads; and a molding compound encapsulating the first chip, the second chip, the first bonding wires, the second bonding wires and portions of the first side leads and portions of the second side leads and filling up the mold-flow channel.