Semiconductor device and method for manufacturing semiconductor device
View Patent ↗A semiconductor device includes a semiconductor chip and a wiring substrate. The wiring substrate is configured to be electrically connected to the semiconductor chip, and have a plurality of terminals arranged on an surface opposite to a surface on which the semiconductor chip is mounted. The plurality of terminals includes a plurality of first terminals configured to be arranged closely to each other, and a plurality of second terminals configured to be arranged so as to surround the plurality of first terminals. The plurality of second terminals is provided such that terminals of the semiconductor chip are connected to outer terminals through the plurality of second terminals. Each of the plurality of first terminals is not provided with a metal ball, while each of the plurality of second terminals is provided with a metal ball.
1. A semiconductor device comprising:
a semiconductor chip; and
a wiring substrate, having a mounting surface for mounting said semiconductor chip and a terminal surface having a plurality of wiring terminals, said terminal surface on a side opposite that of said mounting surface, said wiring substrate configured to be electrically connected to said semiconductor chip
said plurality of wiring terminals comprising:
a plurality of test terminals configured to be arranged closely to each other, provided such that said semiconductor chip is connectable to an external test device through at least one terminal of said plurality of test terminals during testing of said semiconductor chip; and
a plurality of non-test terminals arranged apart from said plurality of test terminals provided such that said semiconductor chip is connectable to an external non-test device during normal operation of said semiconductor chip through said plurality of non-test terminals,
wherein each of said plurality of test terminals is not configured to connect to said test device through a metal ball, while each of said plurality of non-test terminals is configured to connect to said non-test device through a metal ball.
2. The semiconductor device according to claim 1 , wherein said each of the plurality of second terminals is arranged in an outside of an backside area corresponding to a mounting area where said semiconductor chip is directly attached to said wiring substrate.
3. The semiconductor device according to claim 1 , wherein a pitch among said plurality of first terminals is narrower than that among said plurality of second terminals.
4. The semiconductor device according to claim 1 , wherein a size of each of said plurality of first terminals is smaller than that of each of said plurality of second terminals.
5. The semiconductor device according to claim 1 , wherein a plurality of semiconductor chips including said semiconductor chip is mounted on said wiring substrate.
6. The semiconductor device according to claim 1 , wherein said semiconductor chip is connected to said wiring substrate by wire bonding method.
7. The semiconductor device according to claim 1 , wherein said semiconductor chip is connected to said wiring substrate by flip chip bonding method.
8. The semiconductor device according to claim 5 , wherein said plurality of semiconductor chips is stacked and mounted on said wiring substrate,
wherein each of said plurality of second terminals is arranged in an outside of an backside area corresponding to a mounting area where a lowest semiconductor chip, which is the closest to said wiring substrate in said plurality of semiconductor chips, is attached to said wiring substrate.
9. The semiconductor device according to claim 5 , wherein each of said plurality of semiconductor chips is directly attached to said wiring substrate,
wherein each of said plurality of second terminals is arranged in an outside of an backside area corresponding to mounting areas where said plurality of semiconductor chips is attached to said wiring substrate.
10. The semiconductor device according to claim 1 , wherein a plurality of semiconductor chips including said semiconductor chip is mounted on said wiring substrate.
11. The semiconductor device according to claim 10 , wherein a pitch among said plurality of first terminals is narrower than that among said plurality of second terminals.
12. The semiconductor device according to claim 10 , wherein a size of each of said plurality of first terminals is smaller than that of each of said plurality of second terminals.
13. The semiconductor device according to claim 10 , wherein said plurality of semiconductor chips is stacked and mounted on said wiring substrate.
14. The semiconductor device according to claim 10 , wherein each of said plurality of semiconductor chips is directly attached to said wiring substrate.
15. The semiconductor device according to claim 10 , wherein each of said plurality of semiconductor chips is connected to said wiring substrate by wire bonding method.
16. The semiconductor device according to claim 10 , wherein each of said plurality of semiconductor chips is connected to said wiring substrate by flip chip bonding method.