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M378T2953CZ0-CE7 Datasheet(PDF) 4 Page - Samsung semiconductor |
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M378T2953CZ0-CE7 Datasheet(HTML) 4 Page - Samsung semiconductor |
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4 / 22 page  Rev. 1.2 Aug. 2005 256MB, 512MB, 1GB Unbuffered DIMMs DDR2 SDRAM x72 DIMM Pin Configurations (Front side/Back side) NC = No Connect, RFU = Reserved for Future Use 1. Pin196(A13) is used for x4/x8 base Unbuffered DIMM. 2. The TEST pin is reserved for bus analysis tools and is not connected on standard memory module products (DIMMs.) Pin Front Pin Back Pin Front Pin Back Pin Front Pin Back Pin Front Pin Back 1 VREF 121 VSS 31 DQ19 151 VSS 61 A4 181 VDDQ 91 VSS 211 DM5 2 VSS 122 DQ4 32 VSS 152 DQ28 62 VDDQ 182 A3 92 DQS5212 NC 3 DQ0 123 DQ5 33 DQ24 153 DQ29 63 A2 183 A1 93 DQS5 213 VSS 4 DQ1 124 VSS 34 DQ25 154 VSS 64 VDD 184 VDD 94 VSS 214 DQ46 5 VSS 125 DM0 35 VSS 155 DM3 KEY 95 DQ42 215 DQ47 6DQS0 126 NC 36 DQS3 156 NC 65 VSS 185 CK0 96 DQ43 216 VSS 7 DQS0 127 VSS 37 DQS3 157 VSS 66 VSS 186 CK097 VSS 217 DQ52 8 VSS 128 DQ6 38 VSS 158 DQ30 67 VDD 187 VDD 98 DQ48 218 DQ53 9 DQ2 129 DQ7 39 DQ26 159 DQ31 68 NC 188 A0 99 DQ49 219 VSS 10 DQ3 130 VSS 40 DQ27 160 VSS 69 VDD 189 VDD 100 VSS 220 CK2 11 VSS 131 DQ12 41 VSS 161 CB4 70 A10/AP 190 BA1 101 SA2 221 CK2 12 DQ8 132 DQ13 42 CB0 162 CB5 71 BA0 191 VDDQ 102 NC, TEST2 222 VSS 13 DQ9 133 VSS 43 CB1 163 VSS 72 VDDQ 192 RAS 103 VSS 223 DM6 14 VSS 134 DM1 44 VSS 164 DM8 73 WE 193 S0104 DQS6224 NC 15 DQS1 135 NC 45 DQS8 165 NC 74 CAS 194 VDDQ 105DQS6225 VSS 16 DQS1 136 VSS 46 DQS8 166 VSS 75 VDDQ 195 ODT0 106 VSS 226 DQ54 17 VSS 137 CK1 47 VSS 167 CB6 76 S1 196 A13 107 DQ50 227 DQ55 18 NC 138 CK148 CB2 168 CB777 ODT1 197 VDD 108DQ51228 VSS 19 NC 139 VSS 49 CB3 169 VSS 78 VDDQ 198 VSS 109 VSS 229 DQ60 20 VSS 140 DQ14 50 VSS 170 VDDQ 79 VSS 199 DQ36 110 DQ56 230 DQ61 21 DQ10 141 DQ15 51 VDDQ 171 CKE1 80 DQ32 200 DQ37 111 DQ57 231 VSS 22 DQ11 142 VSS 52 CKE0 172 VDD 81 DQ33 201 VSS 112 VSS 232 DM7 23 VSS 143 DQ20 53 VDD 173 NC 82 VSS 202 DM4 113 DQS7233 NC 24 DQ16 144 DQ21 54 NC 174 NC 83 DQS4203 NC 114 DQS7 234 VSS 25 DQ17 145 VSS 55 NC 175 VDDQ 84 DQS4 204 VSS 115 VSS 235 DQ62 26 VSS 146 DM2 56 VDDQ 176 A12 85 VSS 205 DQ38 116 DQ58 236 DQ63 27 DQS2 147 NC 57 A11 177 A9 86 DQ34 206 DQ39 117 DQ59 237 VSS 28 DQS2 148 VSS 58 A7 178 VDD 87 DQ35 207 VSS 118 VSS 238 VDDSPD 29 VSS 149 DQ22 59 VDD 179 A8 88 VSS 208 DQ44 119 SDA 239 SA0 30 DQ18 150 DQ23 60 A5 180 A6 89 DQ40 209 DQ45 120 SCL 240 SA1 90 DQ41 210 VSS Pin Description * The VDD and VDDQ pins are tied to the single power-plane on PCB. Pin Name Description Pin Name Description A0-A13 DDR2 SDRAM address bus CK0, CK1, CK2 DDR2 SDRAM clocks (positive line of differential pair) BA0, BA1 DDR2 SDRAM bank select CK0, CK1, CK2 DDR2 SDRAM clocks (negative line of differential pair) RAS DDR2 SDRAM row address strobe SCL I2C serial bus clock for EEPROM CAS DDR2 SDRAM column address strobe SDA I2C serial bus data line for EEPROM WE DDR2 SDRAM wirte enable SA0-SA2 I2C serial address select for EEPROM S0, S1 DIMM Rank Select Lines VDD* DDR2 SDRAM core power supply CKE0,CKE1 DDR2 SDRAM clock enable lines VDDQ* DDR2 SDRAM I/O Driver power supply ODT0, ODT1 On-die termination control lines VREF DDR2 SDRAM I/O reference supply DQ0 - DQ63 DIMM memory data bus VSS Power supply return (ground) CB0 - CB7 DIMM ECC check bits VDDSPD Serial EEPROM positive power supply DQS0 - DQS8 DDR2 SDRAM data strobes NC Spare Pins(no connect) DM(0-8) DDR2 SDRAM data masks RESET Not used on UDIMM DQS0-DQS8 DDR2 SDRAM differential data strobes TEST Used by memory bus analysis tools (unused on memory DIMMs) |
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Similar Description - M378T2953CZ0-CE7 |
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