D
C
B
A
5 | 4 | 3 | 2 | 1 |
MEM_DQ[0..79] |
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| MEM_DQ[0..79] |
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| +3VB_MEM | +3VA |
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| +3VB_MEM | +3VA |
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| +3VB_MEM | +3VA |
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| 1 |
| U19 | 86 |
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| 1 |
| U20 | 86 |
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| 1 |
| U21 | 86 |
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| MEM_DQ16 |
| VDD | VSS | MEM_DQ31 | MEM_DQ0 | VDD | VSS | MEM_DQ15 |
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| MEM_DQ48 | VDD | VSS | MEM_DQ63 |
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| 2 | 85 | 2 | 85 |
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| 2 | 85 |
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| DQ0 | DQ15 | DQ0 | DQ15 |
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| DQ0 | DQ15 |
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| 3 | 84 |
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| 3 | 84 |
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| 3 | 84 |
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| MEM_DQ17 |
| VDDQ | VSSQ | MEM_DQ30 | MEM_DQ1 | VDDQ | VSSQ | MEM_DQ14 |
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| MEM_DQ49 | VDDQ | VSSQ | MEM_DQ62 |
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| 4 | 83 | 4 | 83 |
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| MEM_DQ18 |
| 5 | DQ1 | DQ14 | 82 | MEM_DQ29 | MEM_DQ2 | 5 | DQ1 | DQ14 | 82 | MEM_DQ13 |
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| MEM_DQ50 | 5 | DQ1 | DQ14 | 82 | MEM_DQ61 |
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| DQ2 | DQ13 | DQ2 | DQ13 |
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| DQ2 | DQ13 |
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| 6 | 81 |
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| 6 | 81 |
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| 6 | 81 |
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| MEM_DQ19 |
| VSSQ | VDDQ | MEM_DQ28 | MEM_DQ3 | VSSQ | VDDQ | MEM_DQ12 |
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| MEM_DQ51 | VSSQ | VDDQ | MEM_DQ60 |
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| 7 | 80 | 7 | 80 |
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| 7 | 80 |
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| DQ3 | DQ12 | DQ3 | DQ12 |
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| DQ3 | DQ12 |
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| MEM_DQ20 |
| 8 | 79 | MEM_DQ27 | MEM_DQ4 | 8 | 79 | MEM_DQ11 |
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| MEM_DQ52 | 8 | 79 | MEM_DQ59 |
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| DQ4 | DQ11 | DQ4 | DQ11 |
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| DQ4 | DQ11 |
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| 9 | 78 |
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| 9 | 78 |
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| 9 | 78 |
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| MEM_DQ21 |
| VDDQ | VSSQ | MEM_DQ26 | MEM_DQ5 | VDDQ | VSSQ | MEM_DQ10 |
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| MEM_DQ53 | VDDQ | VSSQ | MEM_DQ58 |
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| 10 | 77 | 10 | 77 |
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| 10 | 77 |
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| DQ5 | DQ10 | DQ5 | DQ10 |
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| DQ5 | DQ10 |
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| MEM_DQ22 |
| 11 | 76 | MEM_DQ25 | MEM_DQ6 | 11 | 76 | MEM_DQ9 |
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| MEM_DQ54 | 11 | 76 | MEM_DQ57 |
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| DQ6 | DQ9 | DQ6 | DQ9 |
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| DQ6 | DQ9 |
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| 12 | 75 |
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| 12 | 75 |
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| 12 | 75 |
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| MEM_DQ23 |
| VSSQ | VDDQ | MEM_DQ24 | MEM_DQ7 | VSSQ | VDDQ | MEM_DQ8 |
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| MEM_DQ55 | VSSQ | VDDQ | MEM_DQ56 |
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| 13 | 74 | 13 | 74 |
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| 13 | 74 |
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| DQ7 | DQ8 | DQ7 | DQ8 |
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| DQ7 | DQ8 |
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| 14 | 73 |
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| 14 | 73 |
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| 14 | 73 |
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| NC | NC |
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| NC | NC |
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| NC | NC |
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| 15 | 72 |
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| 15 | 72 |
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| 15 | 72 |
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| VDD | VSS |
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| VDD | VSS |
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| VDD | VSS |
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| 16 | 71 |
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| 16 | 71 |
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| 16 | 71 |
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| DQM0 | DQM1 |
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| DQM0 | DQM1 |
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| DQM0 | DQM1 |
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| 17 | 70 |
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| 17 | 70 |
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| 17 | 70 |
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| WE | NC |
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| WE | NC |
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| WE | NC |
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| 18 | 69 |
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| 18 | 69 |
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| 18 | 69 |
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| CAS | NC |
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| CAS | NC |
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| CAS | NC |
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| 19 | 68 |
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| 19 | 68 |
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| 19 | 68 |
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| RAS | CLK |
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| RAS | CLK |
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| RAS | CLK |
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| 20 | 67 |
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| 20 | 67 |
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| 20 | 67 |
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| CS | CKE | MEM_A9 |
| CS | CKE | MEM_A9 |
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| CS | CKE | MEM_A9 |
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| 21 | 66 |
| 21 | 66 |
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| 21 | 66 |
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| NC | A9 |
| NC | A9 |
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| NC | A9 |
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| 22 | 65 | MEM_A8 |
| 22 | 65 | MEM_A8 |
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| 22 | 65 | MEM_A8 |
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| BA0 | A8 |
| BA0 | A8 |
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| MEM_A11 |
| 23 | 64 | MEM_A7 | MEM_A11 | 23 | 64 | MEM_A7 |
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| 23 | 64 | MEM_A7 |
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| BA1 | A7 | BA1 | A7 |
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| MEM_A10 |
| 24 | 63 | MEM_A6 | MEM_A10 | 24 | 63 | MEM_A6 |
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| 24 | 63 | MEM_A6 |
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| A10/AP | A6 | A10/AP | A6 |
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| MEM_A0 |
| 25 | 62 | MEM_A5 | MEM_A0 | 25 | 62 | MEM_A5 |
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| MEM_A0 |
| 25 | 62 | MEM_A5 |
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| A0 | A5 | A0 | A5 |
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| MEM_A1 |
| 26 | 61 | MEM_A4 | MEM_A1 | 26 | 61 | MEM_A4 |
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| 26 | 61 | MEM_A4 |
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| A1 | A4 | A1 | A4 |
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| MEM_A2 |
| 27 | 60 | MEM_A3 | MEM_A2 | 27 | 60 | MEM_A3 |
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| 27 | 60 | MEM_A3 |
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| A2 | A3 | A2 | A3 |
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| 28 | 59 |
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| 28 | 59 |
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| 28 | 59 |
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| DQM2 | DQM3 |
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| DQM2 | DQM3 |
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| DQM2 | DQM3 |
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| 29 | 58 |
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| 29 | 58 |
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| 29 | 58 |
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| VDD | VSS |
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| VDD | VSS |
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| VDD | VSS |
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| 30 | 57 |
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| 30 | 57 |
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| 30 | 57 |
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| MEM_DQ32 |
| NC | NC | MEM_DQ47 |
| NC | NC |
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| MEM_DQ64 | NC | NC | MEM_DQ79 |
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| 31 | 56 |
| 31 | 56 |
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| 31 | 56 |
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| DQ16 | DQ31 |
| DQ16 | DQ31 |
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| DQ16 | DQ31 |
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| 32 | 55 |
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| 32 | 55 |
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| 32 | 55 |
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| MEM_DQ33 |
| VSSQ | VDDQ | MEM_DQ46 |
| VSSQ | VDDQ |
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| MEM_DQ65 | VSSQ | VDDQ | MEM_DQ78 |
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| 33 | 54 |
| 33 | 54 |
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| 33 | 54 |
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| DQ17 | DQ30 |
| DQ17 | DQ30 |
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| DQ17 | DQ30 |
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| MEM_DQ34 |
| 34 | 53 | MEM_DQ45 |
| 34 | 53 |
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| MEM_DQ66 | 34 | 53 | MEM_DQ77 |
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| DQ18 | DQ29 |
| DQ18 | DQ29 |
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| DQ18 | DQ29 |
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| 35 | 52 |
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| 35 | 52 |
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| 35 | 52 |
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| MEM_DQ35 |
| VDDQ | VSSQ | MEM_DQ44 |
| VDDQ | VSSQ |
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| MEM_DQ67 | VDDQ | VSSQ | MEM_DQ76 |
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| 36 | 51 |
| 36 | 51 |
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| 36 | 51 |
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| DQ19 | DQ28 |
| DQ19 | DQ28 |
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| DQ19 | DQ28 |
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| MEM_DQ36 |
| 37 | 50 | MEM_DQ43 |
| 37 | 50 |
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| MEM_DQ68 | 37 | 50 | MEM_DQ75 |
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| DQ20 | DQ27 |
| DQ20 | DQ27 |
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| DQ20 | DQ27 |
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| 38 | 49 |
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| 38 | 49 |
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| 38 | 49 |
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| MEM_DQ37 |
| VSSQ | VDDQ | MEM_DQ42 |
| VSSQ | VDDQ |
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| MEM_DQ69 | VSSQ | VDDQ | MEM_DQ74 |
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| 39 | 48 |
| 39 | 48 |
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| 39 | 48 |
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| DQ21 | DQ26 |
| DQ21 | DQ26 |
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| DQ21 | DQ26 |
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| MEM_DQ38 |
| 40 | 47 | MEM_DQ41 |
| 40 | 47 |
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| MEM_DQ70 | 40 | 47 | MEM_DQ73 |
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| DQ22 | DQ25 |
| DQ22 | DQ25 |
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| DQ22 | DQ25 |
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| 41 | 46 |
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| 41 | 46 |
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| 41 | 46 |
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BS |
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| MEM_DQ39 |
| VDDQ | VSSQ | MEM_DQ40 |
| VDDQ | VSSQ |
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| MEM_DQ71 | VDDQ | VSSQ | MEM_DQ72 |
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| 42 | 45 |
| 42 | 45 |
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| 42 | 45 |
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| DQ23 | DQ24 |
| DQ23 | DQ24 |
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| DQ23 | DQ24 |
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CS |
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| 43 | VDD | VSS | 44 |
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| 43 | VDD | VSS | 44 |
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| 43 | VDD | VSS | 44 |
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RAS |
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| C | |||||||||||
CAS |
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WE |
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DQM_L |
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DQM_U |
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| (MEM_A11= =D_INA2_OVFL) |
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MEM_A[0..11] |
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| (Address and Control bus) |
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MEM_DQM_L |
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MEM_WE_N |
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MEM_CAS_N |
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MEM_RAS_N |
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MEM_CS_N |
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MEM_CLK |
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MEM_BS |
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MEM_DQM_U |
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MEM_A11 |
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| +3VA |
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MEM_BS |
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| 2 4 6 8 | 2 4 6 8 | 2 4 6 8 | 2 4 6 8 | 2 4 6 8 |
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| RP26 | RP27 | RP28 | RP29 | RP30 |
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| NC_RP | NC_RP | NC_RP | NC_RP | NC_RP |
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| 1 3 5 7 | 1 3 5 7 | 1 3 5 7 | 1 3 5 7 | 1 3 5 7 |
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| MEM_DQM_L |
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| MEM_DQM_U |
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| MEM_A0 |
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| MEM_A1 |
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| MEM_A2 |
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| MEM_A3 |
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Test parts and resistors are located at the end of bus chain. |
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| MEM_A5 |
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| MEM_A6 |
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All address and control signals must be routed in a daisy |
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| MEM_A7 |
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| MEM_A8 |
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chain, with the same trace length from RM1 to each SDRAM. |
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| MEM_A9 |
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Termination resistors values = (traces impedance) x 2 |
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| MEM_A10 |
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| MEM_A11 |
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| MEM_BS |
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| MEM_CS_N |
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| MEM_WE_N |
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| MEM_RAS_N |
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| MEM_CAS_N |
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| MEM_CLK |
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| 2 4 6 8 | 2 4 6 8 | 2 4 6 8 | 2 4 6 8 | 2 4 6 8 |
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| RP31 | RP32 | RP33 | RP34 | RP35 |
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| NC_RP | NC_RP | NC_RP | NC_RP | NC_RP |
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| 1 3 5 7 | 1 3 5 7 | 1 3 5 7 | 1 3 5 7 | 1 3 5 7 |
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| core supply |
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+3VA |
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+ C95 | C96 | C97 | C98 | C99 | C100 | C101 | C102 | C103 |
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10UF/16 | 0.1UF | 0.1UF | 0.1UF | 0.1UF | 0.1UF | 0.1UF | 0.1UF | 0.1UF |
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| A |
L7 |
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| VDD - Output buffers |
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Z1000/100MHZ |
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| Benq Corporation |
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+3VA |
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| +3VB_MEM |
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| + C105 |
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| Project Code | Model Name |
| OEM/ODM Model Name | |||
C104 | C106 | C107 | C108 | C109 | C110 | C111 | C112 | C113 | C114 | C115 |
| C116 | C117 | C118 | C119 | C120 | C121 |
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| 99.J5877.001 |
| HT720G |
| NA |
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0.1UF | 10UF/16 | 0.1UF | 0.1UF | 0.1UF | 0.1UF | 0.1UF | 0.1UF | 0.1UF | 0.1UF | 0.1UF | 0.1UF | 0.1UF | 0.1UF | 0.1UF | 0.1UF | 0.1UF | 0.1UF |
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| Title |
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| MAIN BOARD |
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| Size | PCB P/N | PCB Rev. Document Number | Rev. | |||
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| <Size> | 48.J5801.S02 | S02 | 0 | |||
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| Date: Thursday, January 16, 2003 | Sheet | 10 o f 10 |
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| Prepared By | Reviewed By |
| Approved By |
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| ANGEL HU | COLIN CHANG |
| BEN CHEN |
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5
4
3
2
1