器件名称: W3DG64126V75D2
功能描述: 1GB - 2x64Mx64, SDRAM UNBUFFERED
文件大小: 239.1KB 共9页
简 介:White Electronic Designs
1GB – 2x64Mx64, 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 Available with "WP" write protect on pin 81 option W3DG63126V-D2 3.3V ± 0.3V Power Supply 168 Pin DIMM JEDEC PCB: 30.50mm (1.20in)
NOTE: Consult factory for availability of: Lead-free products Vendor source control option Industrial temperature option
W3DG64126V-D2
DESCRIPTION
The W3DG64126V is a 2x64Mx64 synchronous DRAM module which consists of sixteen 64Mx8 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 subject to change without notice.
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 *CBO *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 DQM1 CS0# DNU VSS A0 A2 A4 A6 A8 A10/AP BA1 VCC VCC CK0 VSS DNU CS2# DQM2 DQM3 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……
