preparing a lead frame including {TAIL ~ a first die pad portion}, a second die pad portion, and outer leads provided in a manner corresponding to {HEAD ~ the first and second die pad portions} 
preparing a lead frame including { TAIL ~ a first die pad portion } , a second die pad portion , and outer leads provided in a manner corresponding to { HEAD ~ the first and second die pad portions }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD