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W3DG7232V-D2 Datasheet Sdram Unbuffered

Manufacturer: White Electronic Designs

Overview: White Electronic Designs W3DG7232V-D2 PRELIMINARY* 256MB – 32Mx72 SDRAM, REGISTER and SPD,.

General Description

The W3DG7232V is a 32Mx72 synchronous DRAM module which consists of nine 32Meg x 8 SDRAM components in TSOP II package, two 18 bit Drive ICs for input control signal and one 2Kb EEPROM in an 8 pin TSSOP package for Serial Presence Detect which are mounted on a 168 pin DIMM multilayer FR4 Substrate.

PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE) PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 FRONT VSS DQ0 DQ1 DQ2 DQ3 VCC DQ4 DQ5 DQ6 DQ7 DQ8 VSS DQ9 DQ10 DQ11 DQ12 DQ13 VCC DQ14 DQ15 CB0 CB1 VSS NC NC VCC WE# DQMB0 PIN 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 BACK DQMB1 CS0# DNU VSS A0 A2 A4 A6 A8 A10/AP BA1 VCC VCC CK0 VSS DNU CS2# DQMB2 DQMB3 DNU VCC NC NC CB2 CB3 VSS DQ16 DQ17 PIN 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 FRONT DQ18 DQ19 VCC DQ20 NC *VREF *CKE1 VSS DQ21 DQ22 DQ23 VSS DQ24 DQ25 DQ26 DQ27 VCC DQ28 DQ29 DQ30 DQ31 VSS *CK2 NC NC **SDA **SCL VCC PIN 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 BACK VSS DQ32 DQ33 DQ34 DQ35 VCC DQ36 DQ37 DQ38 DQ39 DQ40 VSS DQ41 DQ42 DQ43 DQ44 DQ45 VCC DQ46 DQ47 CB4 CB5 VSS NC NC VCC CAS# DQMB4 PIN 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 1

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 168 Pin DIMM JEDEC NOTE: Consult factory for availability of:.
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  • Vendor source control options.
  • Industrial temperature options.
  • This product.

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