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HMT451U7AFR8C-PB Datasheet(PDF) 11 Page - Hynix Semiconductor |
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HMT451U7AFR8C-PB Datasheet(HTML) 11 Page - Hynix Semiconductor |
11 / 60 page Rev. 1.1 / Jul. 2013 11 Functional Block Diagram 2GB, 256Mx64 Module(1Rank of x16) DQ4 DQ5 DQ6 DQ7 DQ0 DQ1 DQ2 DQ3 I/O 0 I/O 1 I/O 2 I/O 3 D0 DM0 I/O 4 I/O 5 I/O 6 I/O 7 DQ12 DQ13 DQ14 DQ8 DQ9 DQ10 DQ11 I/O 8 I/O 9 I/O 10 I/O 11 I/O 12 I/O 13 I/O 14 DM1 A0–A14 A0–A14: SDRAMs D0–D3 A0 Serial PD A1 SA0 SA1 SDA RAS RAS: SDRAMs D0–D3 CAS CAS: SDRAMs D0–D3 CKE0 CKE: SDRAMs D0–D3 WE WE: SDRAMs D0–D3 CS CS CS BA0–BA2 BA0–BA2: SDRAMs D0–D3 DQS0 DQS1 DQ15 I/O 15 VSS D0–D3 VDD/VDDQ D0–D3 D0–D3 VREFDQ Notes: 1. DQ-to-I/O wiring is shown as recom- mended but may be changed. 2. DQ/DQS/DQS/ODT/DM/CKE/S relation- ships must be maintained as shown. 3. DQ,DM,DQS,DQS resistors;Refer to asso- ciated topology diagram. 4. Refer to the appropriate clock wiring topology under the DIMM wiring details section of this document. 5. The pair CK1 and CK1# is terminated in 75ohm but is not used on the module. 6. A15 is not routed on the module. 7. For each DRAM, a unique ZQ resistor is connected to ground.The ZQ resistor is 240ohm+-1% 8. One SPD exists per module. SCL WP SPD VDDSPD ODT0 DQS0 DQS1 ODT: SDRAMs D0–D3 S0 CK0 CK: SDRAMs D0–D3 SA2 D0–D3 VREFCA A2 CK0CK: SDRAMs D0–D3 LDQS LDQS LDM UDQS UDQS UDM DQ20 DQ21 DQ22 DQ23 DQ16 DQ17 DQ18 DQ19 I/O 0 I/O 1 I/O 2 I/O 3 D1 DM2 I/O 4 I/O 5 I/O 6 I/O 7 DQ28 DQ29 DQ30 DQ24 DQ25 DQ26 DQ27 I/O 8 I/O 9 I/O 10 I/O 11 I/O 12 I/O 13 I/O 14 DM3 CS DQS2 DQS3 DQ31 I/O 15 DQS2 DQS3 LDQS LDQS LDM UDQS UDQS UDM DQ36 DQ37 DQ38 DQ39 DQ32 DQ33 DQ34 DQ35 I/O 0 I/O 1 I/O 2 I/O 3 D2 DM4 I/O 4 I/O 5 I/O 6 I/O 7 DQ44 DQ45 DQ46 DQ40 DQ41 DQ42 DQ43 I/O 8 I/O 9 I/O 10 I/O 11 I/O 12 I/O 13 I/O 14 DM5 CS CS CS DQS4 DQS5 DQ47 I/O 15 DQS4 DQS5 LDQS LDQS LDM UDQS UDQS UDM DQ52 DQ53 DQ54 DQ55 DQ48 DQ49 DQ50 DQ51 I/O 0 I/O 1 I/O 2 I/O 3 D3 DM6 I/O 4 I/O 5 I/O 6 I/O 7 DQ60 DQ61 DQ62 DQ56 DQ57 DQ58 DQ59 I/O 8 I/O 9 I/O 10 I/O 11 I/O 12 I/O 13 I/O 14 DM7 CS DQS6 DQS7 DQ63 I/O 15 DQS6 DQS7 LDQS LDQS LDM UDQS UDQS UDM RESET RESET:SDRAMs D0-D3 ZQ ZQ ZQ ZQ |
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