器件名称: W3DG7217V7D2
功能描述: 128MB - 16Mx72 SDRAM UNBUFFERED
文件大小: 127.14KB 共6页
简 介:White Electronic Designs
128MB - 16Mx72 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 3.3 volt ± 0.3v Power Supply 168- Pin DIMM JEDEC
W3DG7217V-D2
PRELIMINARY*
DESCRIPTION
The W3DG7217V is a 16Mx72 synchronous DRAM module which consists of nine 16Meg x 8 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 168 Pin DIMM multilayer FR4 Substrate.
* This product is under development, is not qualied or characterized and is subject to change without notice.
Pin CongurATIONs (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# DQM0 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 Front Pin DQM1 57 CS0# 58 DNU 59 VSS 60 A0 61 A2 62 A4 63 A6 64 A8 65 A10#/AP 66 BA1 67 VCC 68 VCC 69 CLK0 70 71 VSS DNU 72 CS2# 73 DQM2 74 DQM3 75 DNU 76 VCC 77 NC 78 NC 79 CB2 80 CB3 81 VSS 82 DQ16 83 DQ17 84 Front DQ18 DQ19 VCC DQ20 NC *VREF *CKE1 VSS DQ21 DQ22 DQ23 VSS DQ24 DQ25 DQ26 DQ27 VCC DQ28 DQ29 DQ30 DQ31 VSS CLK2 NC NC **SDA **SCL VCC Pin 85 86 87 88 89 90 91 92 93 94 95 ……
