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WED3DG7266V10D1XX Datasheet(PDF) 1 Page - White Electronic Designs Corporation |
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WED3DG7266V10D1XX Datasheet(HTML) 1 Page - White Electronic Designs Corporation |
1 / 7 page WED3DG7266V-D1 1 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs Febuary 2006 Rev. 2 PRELIMINARY* 512MB – 64Mx72 SDRAM, UNBUFFERED, w/PLL FEATURES PC100 and PC133 Burst Mode Operation Auto and Self Refresh capability LVTTL compatible inputs and outputs Serial Presence Detect with EEPROM Fully synchronous: All signals are registered on the positive edge of the system clock Programmable Burst Lengths: 1, 2, 4, 8 or Full Page Single Rank 3.3V ± 0.3V Power Supply 144 Pin SO-DIMM JEDEC • D1: 31.75 (1.25") TYP DESCRIPTION The WED3DG7266V is a 64Mx72 synchronous DRAM module which consists of nine 64Mx8 SDRAM components in TSOP II package, and one 2Kb EEPROM in an 8 pin TSOP package for Serial Presence Detect which are mounted on a 144 pin SO-DIMM multilayer FR4 Substrate. NOTE: Consult factory for availability of: • RoHS compliant products • Vendor source control options • Industrial temperature option PIN NAMES A0 – A12 Address Input (Multiplexed) BA0-1 Select Bank DQ0-63 Data Input/Output CLK0, CLK1 Clock Input CB0-7 Check Bit (Data-In/Data-Out) CKE0 Clock Enable Input CS0# Chip Select Input RAS# Row Address Strobe CAS# Column Address Strobe WE# #Write Enable DQM0-7 DQM VCC Power Supply (3.3V) VSS Ground SDA Serial Data I/O SCL Serial Clock DNU Do Not Use NC No Connect * These pins are not used in this module ** These pins should be NC in the system which does not support SPD. PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE) PINOUT PIN FRONT PIN BACK PIN FRONT PIN BACK PIN FRONT PIN BACK 1VSS 2VSS 49 DQ13 50 DQ45 97 DQ22 98 DQ54 3 DQ0 4 DQ32 51 DQ14 52 DQ46 99 DQ23 100 DQ55 5 DQ1 6 DQ33 53 DQ15 54 DQ47 101 VCC 102 VCC 7 DQ2 8 DQ34 55 VSS 56 VSS 103 A6 104 A7 9 DQ3 10 DQ35 57 CB0 58 CB4 105 A8 106 BA0 11 VCC 12 VCC 59 CB1 60 CB5 107 VSS 108 VSS 13 DQ4 14 DQ36 61 CLK0 62 CKE0 109 A9 110 BA1 15 DQ5 16 DQ37 63 VCC 64 VCC 111 A10 112 A11 17 DQ6 18 DQ38 65 RAS# 66 CAS# 113 VCC 114 VCC 19 DQ7 20 DQ39 67 WE# 68 CKE1* 115 DQMB2 116 DQMB6 21 VSS 22 VSS 69 SO# 70 A12* 117 DQMB3 118 DQMB7 23 DQMB0 24 DQMB4 71 S1#* 72 NC 119 VSS 120 VSS 25 DQMB1 26 DQMB5 73 NC 74 CLK1 121 DQ24 122 DQ56 27 VCC 28 VCC 75 VSS 76 VSS 123 DQ25 124 DQ57 29 A0 30 A3 77 CB2 78 CB6 125 DQ26 126 DQ58 31 A1 32 A4 79 CB3 80 CB7 127 DQ27 128 DQ59 33 A2 34 A5 81 VCC 82 VCC 129 VCC 130 VCC 35 VSS 36 VSS 83 DQ16 84 DQ48 131 DQ28 132 DQ60 37 DQ8 38 DQ40 85 DQ17 86 DQ49 133 DQ29 134 DQ61 39 DQ9 40 DQ41 87 DQ18 88 DQ50 135 DQ30 136 DQ62 41 DQ10 42 DQ42 89 DQ19 90 DQ51 137 DQ31 138 DQ63 43 DQ11 44 DQ43 91 VSS 92 VSS 139 VSS 140 VSS 45 VCC 46 VCC 93 DQ20 94 DQ52 141 SDA 142 SCL 47 DQ12 48 DQ44 95 DQ21 96 DQ53 143 VCC 144 VCC |
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