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WED3DG7264V-D1 Datasheet 512mb - 2x32mx72 Sdram

Manufacturer: White Electronic Designs

Overview: .. White Electronic Designs WED3DG7264V-D1 PRELIMINARY* 512MB – 2x32Mx72 SDRAM, UNBUFFERED.

General Description

The WED3DG7264V is a 2x32Mx72 synchronous DRAM module which consists of eighteen 32Mx8 stack SDRAM ponents 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 under development, is not qualified or characterized and is subject to change without notice.

NOTE: Consult factory for availability of: • RoHS pliant products • Vendor source control options • Industrial temperature option PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE) PINOUT PIN 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 FRONT VSS DQ0 DQ1 DQ2 DQ3 VCC DQ4 DQ5 DQ6 DQ7 VSS DQM0 DQM1 VCC A0 A1 A2 VSS DQ8 DQ9 DQ10 DQ11 VCC DQ12 PIN 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 BACK VSS DQ32 DQ33 DQ34 DQ35 VCC DQ36 DQ37 DQ38 DQ39 VSS DQM4 DQM5 VCC A3 A4 A5 VSS DQ40 DQ41 DQ42 DQ43 VCC DQ44 PIN 49 51 53 55 57 59 61 63 65 67 69 71 73 75 77 79 81 83 85 87 89 91 93 95 FRONT DQ13 DQ14 DQ15 VSS CB0 CB1 CLK0 VCC RAS# WE# CS0# CS1# NC VSS CB2 CB3 VCC DQ16 DQ17 DQ18 DQ19 VSS DQ20 DQ21 PIN 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 88 90 92 94 96 BACK DQ45 DQ46 DQ47 VSS CB4 CB5 CKE0 VCC CAS# CKE1 A12 NC NC VSS CB6 CB7 VCC DQ48 DQ49 DQ50 DQ51 VSS DQ52 DQ53 PIN 97 99 101 103 105 107 109 111 113 115 117 119 121 123 125 127 129 131 133 135 137 139 141 143 FRONT DQ22 DQ23 VCC A6 A8 VSS A9 A10 VCC DQM2 DQM3 VSS DQ24 DQ25 DQ26 DQ27 VCC DQ28 DQ29 DQ30 DQ31 VSS SDA VCC PIN 98 100 102 104 106 108

Key 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: 31.75mm (1.25”).

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WED3DG7264V-D1 Distributor