器件名称: W3DG647V7D1
功能描述: 64MB- 8Mx64 SDRAM UNBUFFERED
文件大小: 80.76KB 共5页
简 介:White Electronic Designs
64MB- 8Mx64 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
W3DG647V-D1
DESCRIPTION
The W3DG647V is a 8Mx64 synchronous DRAM module which consists of eight 8Mx8 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 CONFIGURATIONS (FRONT SIDE/BACK SIDE)
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 49 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 DQ13 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 50 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 DQ45 Pin 51 53 55 57 59 Front DQ14 DQ15 VSS NC NC Pin 52 54 56 58 60 Back DQ46 DQ47 VSS NC NC Pin 95 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 DQ21 DQ22 DQ23 VCC A6 A8 VSS A9 A10/AP VCC DQM2 DQM3 VSS DQ24 DQ25 DQ26 DQ27 VCC DQ28 DQ29 DQ30 DQ31 VSS **SDA VCC Pin 96 98 100 102 104 106 108 110 112 1……
