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W3DG6433V75D1 Datasheet(PDF) 1 Page - White Electronic Designs Corporation |
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W3DG6433V75D1 Datasheet(HTML) 1 Page - White Electronic Designs Corporation |
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1 / 7 page  W3DG6433V-D1 1 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs March 2005 Rev. 3 256MB – 32Mx64 SDRAM, UNBUFFERED FEATURES 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 3.3V± 0.3V Power Supply 144 Pin SO-DIMM • D1: 27.94mm (1.10”) NOTE: Consult factory for availability of: • Lead-Free Products • Vendor source control options • Industrial temperature option DESCRIPTION The W3DG6433V is a 32Mx64 synchronous DRAM module which consists of four 32Mx16 SDRAM components in TSOP II package, and one 2Kb EEPROM in an 8 pin TSSOP package for Serial Presence Detect which are mounted on a 144 pin SO-DIMM multilayer FR4 Substrate. * This product is subject to change without notice. PIN NAMES A0 – A12 Address Input (Multiplexed) BA0-1 Select Bank DQ0-63 Data Input/Output CLK0 Clock Input CKE0 Clock Enable Input CS0# Chip Select Input RAS# Row Address Strobe CAS# Column Address Strobe WE# Write Enable DQMB0-7 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 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 BACK 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 NC 58 NC 105 A8 106 BA0 11 VCC 12 VCC 59 NC 60 NC 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/AP 112 A11 17 DQ6 18 DQ38 65 RAS# 66 CAS# 113 VCC 114 VCC 19 DQ7 20 DQ39 67 WE# 68 NC 115 DQMB2 116 DQMB6 21 VSS 22 VSS 69 CS0# 70 A12 117 DQMB3 118 DQMB7 23 DQMB0 24 DQMB4 71 NC 72 NC 119 VSS 120 VSS 25 DQMB1 26 DQMB5 73 DNU 74 NC 121 DQ24 122 DQ56 27 VCC 28 VCC 75 VSS 76 VSS 123 DQ25 124 DQ57 29 A0 30 A3 77 NC 78 NC 125 DQ26 126 DQ58 31 A1 32 A4 79 NC 80 NC 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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