W3DG7232V-JD1

White Electronic Designs 256MB - 32Mx72 SDRAM UNBUFFERED FEATURES PC100 and PC133 Compatible 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 JEDEC Package height options: W3DG7232V-D1 -JD1 PRELIMINARY* DESCRIPTION The W3DG7232V is a 32Mx72 synchronous DRAM module which consists of nine 32Mx8 SDRAM components in TSOP II package, and one 2K 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. www.DataSheet4U.com JD1: 31.75 (1.25") PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE) PIN FRONT PIN BACK PIN FRONT PIN BACK PIN FRONT PIN BACK 1 VSS 2 VSS 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 NC 115 DQMB2 116 DQMB6 21 VSS 22 VSS 69 SO# 70 A12 117 DQMB3 118 DQMB7 23 DQMB0 24 DQB4 71 NC 72...