Packages
Unknown which die corresponds to which of the two.
1
Top:
NEC JAPAN D43256BCZ-70LL 9731XD011
Bottom:
02 29
2
Top:
NEC JAPAN D43256BCZ-70LL 9707ED026
Bottom :
M1 3
Die
1
Larger of the two dies.
Markings:
NEC D43256J
2
Smaller of the two dies. As its likely a process shrink, its not surprising that the die revision is higher.
Markings:
NEC D43256T