Semiconductor device including a particular dummy terminal
Keeping more space for circuit elements on a chip when dummy terminals for reinforcement are located on it for the purpose of load balancing for pressure welding. A semiconductor device 10 used for COG-implementation comprising an output terminals group 12 f arrayed in a first pattern close to one end of a chip, and one or more dummy terminals 12 d located close to the one end of the chip in a different region from a region where an output terminals group 12 f is located and arrayed in a second pattern different from the first pattern. The second pattern has a shortened width. A power supply portion 14 is located longitudinally adjacent to an output terminals group 12 f beside the dummy terminals 12 d.
1. A semiconductor device comprising:
a group of terminals arrayed in a first pattern close to one end of a chip; and
a dummy terminal located close to said one end of the chip and in a different region from a region where said group of terminals is located, said dummy terminal being formed in a second pattern that is different from said first pattern.
2. The semiconductor device as defined in claim 1 , wherein said second pattern has a width in a lateral direction that is less than a width of said first pattern in said lateral direction.
3. The semiconductor device as defined in claim 1 , wherein a circuit elements portion is located laterally adjacent to said group of terminals and close to said dummy terminal.
4. The semiconductor device as defined in claim 1 , wherein said dummy terminal is located longitudinally adjacent to one side of said group of terminals.
5. The semiconductor device as defined in claim 1 , wherein said dummy terminal is located between a first part of said group of terminals and a second part of said group of terminals.
6. The semiconductor device as defined in claim 1 , wherein said dummy terminal comprises a plurality of dummy terminals arrayed in said second pattern, and
wherein said group of terminals is disposed between said plurality of dummy terminals.
7. The semiconductor device as defined in claim 6 , further comprising:
a group of input terminals located close to an other end of said chip that is opposite to said end of said chip; and
a plurality of input dummy terminals located close to said other end of said chip,
wherein said group of input terminals is disposed between said plurality of input dummy terminals.
8. The semiconductor device as defined in claim 7 , wherein a lateral width of said group of input terminals is greater than a lateral width of said plurality of input dummy terminals.
9. The semiconductor device as defined in claim 7 , further comprising:
a circuit elements portion disposed close to longitudinal ends of said chip and between said one end and said other end of said chip,
wherein a lateral width of said circuit elements portion between said plurality of input dummy terminals and said plurality of dummy terminals is greater than a lateral width of said circuit elements portion between said group of terminals and said group of input terminals.
10. The semiconductor device as defined in claim 9 , wherein said lateral width of said circuit elements portion between said plurality of input dummy terminals and said plurality of dummy terminals is greater than a lateral width of said circuit elements portion between said plurality of dummy terminals and said group of input terminals.
11. The semiconductor device as defined in claim 9 , wherein a lateral width of said circuit elements portion between said plurality of dummy terminals and said group of input terminals is greater than said lateral width of said circuit elements portion between said group of terminals and said group of input terminals.
12. The semiconductor device as defined in claim 1 , wherein a circuit elements portion is located between said one end of said chip on which said dummy terminal and said group of terminals are located at an other end of said chip on which an other group of terminals is located.
13. The semiconductor device as defined in claim 1 , wherein said group of terminals is arrayed in a staggered pattern.
14. The semiconductor device as defined in claim 1 , wherein said group of terminals is assigned to at least one of an output terminals group and an input terminals group.
15. The semiconductor device as defined in claim 1 , wherein said semiconductor device is adapted to COG-implementation.
16. The semiconductor device as defined in claim 1 , wherein said group of terminals comprises a bank of first output terminals and a bank of second output terminals, a location of said bank of first output terminals being nearer to said one end of said chip than a location of said bank of second output terminals, and
wherein a location of said dummy terminal corresponds longitudinally to said location of said bank of first output terminals.
17. The semiconductor device as defined in claim 1 , wherein said group of terminals comprises a bank of first output terminals and a bank of second output terminals, a location of said bank of first output terminals being nearer to said one end of said chip than a location of said bank of second output terminals, and
wherein a longitudinal plane on which said dummy terminal is located corresponds with a longitudinal plane on which said bank of first output terminals are located.
18. The semiconductor device as defined in claim 16 , wherein a lateral width of said bank of first output terminals is greater than a lateral width of said dummy terminal.
19. The semiconductor device as defined in claim 1 , wherein a circuit elements portion is disposed between said dummy terminal and said group of terminals.
20. The semiconductor device as defined in claim 1 , wherein a longitudinal plane on which said dummy terminal is located corresponds with a longitudinal plane on which said group of terminals is located.