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HMT164U6AFR6C-H9 Datasheet(PDF) 9 Page - Hynix Semiconductor |
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HMT164U6AFR6C-H9 Datasheet(HTML) 9 Page - Hynix Semiconductor |
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9 / 57 page  Rev. 0.1 / Dec 2008 9 HMT164U6AFP(R)6C HMT112U6(7)AFP(R)8C HMT125U6(7)AFP(R)8C 2.3 Pin Assignment DQS0–DQS8 DQS0–DQS8 SSTL Differential crossing Data strobe for input and output data. SA0–SA2 — These signals are tied at the system planar to either VSS or VDDSPD to con- figure the serial SPD EEPROM address range. SDA — This bidirectional pin is used to transfer data into or out of the SPD EEPROM. An external resistor may be connected from the SDA bus line to VDDSPD to act as a pullup on the system board. SCL — This signal is used to clock data into and out of the SPD EEPROM. An external resistor may be connected from the SCL bus time to VDDSPD to act as a pullup on the system board. VDDSPD Supply Power supply for SPD EEPROM. This supply is separate from the VDD/VDDQ power plane. EEPROM supply is operable from 3.0V to 3.6V. Front Side(left 1–60) Back Side(right 121–180) Front Side(left 61–120) Back Side(right 181–240) Pin # x64 Non-ECC x72 ECC Pin # x64 Non-ECC x72 ECC Pin # x64 Non-ECC x72 ECC Pin # x64 Non-ECC x72 ECC 1VREFDQ VREFDQ 121 VSS VSS 61 A2 A2 181 A1 A1 2VSS VSS 122 DQ4 DQ4 62 VDD VDD 182 VDD VDD 3 DQ0 DQ0 123 DQ5 DQ5 63 CK1 CK1 183 VDD VDD 4DQ1 DQ1 124 VSS VSS 64 CK1CK1184 CK0 CK0 5 VSS VSS 125 DM0 DM0 65 VDD VDD 185 CK0CK0 6DQS0DQS0 126 NC NC 66 VDD VDD 186 VDD VDD 7 DQS0 DQS0 127 VSS VSS 67 VREFCA VREFCA 187 NC NC 8 VSS VSS 128 DQ6 DQ6 68 NC NC 188 A0 A0 9 DQ2 DQ2 129 DQ7 DQ7 69 VDD VDD 189 VDD VDD 10 DQ3 DQ3 130 VSS VSS 70 A10 A10 190 BA12 BA12 11 VSS VSS 131 DQ12 DQ12 71 BA02 BA02 191 VDD VDD 12 DQ8 DQ8 132 DQ13 DQ13 72 VDD VDD 192 RAS RAS 13 DQ9 DQ9 133 VSS VSS 73 WE WE 193 S0S0 14 VSS VSS 134 DM1 DM1 74 CAS CAS 194 VDD VDD 15 DQS1DQS1 135 NC NC 75 VDD VDD 195 ODT0 ODT0 16 DQS1 DQS1 136 VSS VSS 76 S1 S1 196 A13 A13 NC = No Connect; RFU = Reserved Future Use 1. NC pins should not be connected to anything on the DIMM, including bussing within the NC group. 2. Address pins A3–A8 and BA0 and BA1 can be mirrored or not mirrored. Please refer to Section 4.1 for more information on mirrored addresses. Symbol Type Polarity Function |
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Similar Description - HMT164U6AFR6C-H9 |
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