W3HG64M72EER-AD7 Datasheet | White Electronic Designs Corporation

FEATURES 244-pin, very low profile dual in-line memory module (VLP Mini-DIMM) Fast data transfer rates: PC2-3200, PC2-4200, PC2-5300- , and PC2-6400- Supports ECC error detection and correction VCC = VCCQ = 1.8V ±0.1V VCCSPD = 1.7V to 3.6V Differential data strobe (DQS, DQS#) option Four-bit prefetch architecture Programmable CAS# latency (CL) Posted CAS# additive latency (AL) On-die termination (ODT) Programmable burst lenghts: 4 or 8 Serial Presence Detect (SPD) with EEPROM Auto and Self Refresh Capability (64ms: 8,192 cycle refresh) Gold (Au) edge contacts Ro HS pliant Single Rank Package option - 244 Pin Mini-DIMM - PCB - 18.29mm (0.72") DESCRIPTION The W3HG64M72EER is a 64Mx72 Double Data Rate DDR2 SDRAM high density module. This memory module consists of nine 64Mx8 bit with 4 banks DDR2 Synchronous DRAMs in FBGA packages, mounted on a 244-pin DIMM FR4 substrate. - This product is under development, is not qualified or characterized and is subject to change or cancellation without notice. NOTE: Consult factory for availability of: - Vendor source control options - Industrial temperature option - Parity option OPERATING FREQUENCIES PC2-3200 Clock Speed 200MHz 3-3-3 PC2-4200 266MHz 4-4-4 PC2-5300- 333MHz 5-5-5 PC2-6400- 400MHz 6-6-6 .. CL-t RCD-t RP - Contact factory for availability December 2005 Rev. 1 White Electronic Designs Corporation - (602) 437-1520 - .wedc. White Electronic Designs PIN CONFIGURATION Pin No. 1 Symbol VREF Pin No. 62 Symbol A4 Pin No. 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 Symbol VSS DQ4 DQ5 VSS DM0 NC VSS DQ6 DQ7 VSS DQ12 DQ13 VSS DM1 NC VSS NC NC VSS DQ14 DQ15 VSS DQ20 DQ21 VSS DM2 NC VSS DQ22 DQ23 VSS DQ28 DQ29 VSS DM3 NC VSS DQ30 DQ31 VSS CB4 CB5 VSS DM8 NC VSS CB6 CB7 VSS NC VCCQ NC VCC NC NC VCCQ A12 A9 VCC A8 A6 Pin No. 184 185...