PDF W3DG6433V-D2 Data sheet ( Hoja de datos )

Número de pieza	W3DG6433V-D2
Descripción	SDRAM UNBUFFERED
Fabricantes	White Electronic Designs
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No Preview Available ! White Electronic Designs W3DG6433V-D2 256MB- 32Mx64 SDRAM UNBUFFERED FEATURES DESCRIPTION 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 www.DataSheet4Uth.ceopmositive edge of the system clock Programmable Burst Lengths: 1, 2, 4, 8 or Full Page 3.3 V ± 0.3V Power Supply 168 Pin DIMM JEDEC The W3DG6433V is a 32Mx64 synchronous DRAM module which consists of four 32Mx16 SDRAM components in TSOP 11 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. PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE) PIN NAMES Pin Front Pin Front Pin Front Pin Back Pin Back Pin Back 1 VSS 29 DQM1 57 DQ18 85 VSS 113 DQM5 141 DQ50 2 DQ0 30 CS0# 58 DQ19 86 DQ32 114 CS1# 142 DQ51 3 DQ1 31 DNU 59 VCC 87 DQ33 115 RAS# 143 VCC 4 DQ2 32 VSS 60 DQ20 88 DQ34 116 VSS 144 DQ52 5 DQ3 33 A0 61 NC 89 DQ35 117 A1 145 NC 6 VCC 34 A2 62 NC 90 VCC 118 A3 146 NC 7 DQ4 35 A4 63 NC 91 DQ36 119 A5 147 DNU 8 DQ5 36 A6 64 VSS 92 DQ37 120 A7 148 VSS 9 DQ6 37 A8 65 DQ21 93 DQ38 121 A9 149 DQ53 10 DQ7 38 A10/AP 66 DQ22 94 DQ39 122 BA0 150 DQ54 11 DQ8 39 BA1 67 DQ23 95 DQ40 123 A11 151 DQ55 12 VSS 40 VCC 68 VSS 96 VSS 124 VCC 152 VSS 13 DQ9 41 VCC 69 DQ24 97 DQ41 125 NC 153 DQ56 14 DQ10 42 CK0 70 DQ25 98 DQ42 126 A12 154 DQ57 15 DQ11 43 VSS 71 DQ26 99 DQ43 127 VSS 155 DQ58 16 DQ12 44 DNU 72 DQ27 100 DQ44 128 CKE0 156 DQ59 17 DQ13 45 CS2# 73 VCC 101 DQ45 129 NC 157 VCC 18 VCC 46 DQM2 74 DQ28 102 VCC 130 DQM6 158 DQ60 19 DQ14 47 DQM3 75 DQ29 103 DQ46 131 DQM7 159 DQ61 20 DQ15 48 DNU 76 DQ30 104 DQ47 132 NC 160 DQ62 21 NC 49 VCC 77 DQ31 105 NC 133 VCC 161 DQ63 22 NC 50 NC 78 VSS 106 NC 134 NC 162 VSS 23 VSS 51 NC 79 CK2 107 VSS 135 NC 163 NC 24 NC 52 NC 80 NC 108 NC 136 NC 164 NC 25 NC 53 NC 81 WP 109 NC 137 NC 165 SA0 26 VCC 54 VSS 82 SDA 110 VCC 138 VSS 166 SA1 27 WE# 55 DQ16 83 SCL 111 CAS# 139 DQ48 167 SA2 28 DQM0 56 DQ17 84 VCC 112 DQM4 140 DQ49 168 VCC A0 – A12 Address input (Multiplexed) BA0-1 Select Bank DQ0-63 Data Input/Output CK0,CK2 Clock input CKE0 Clock Enable input CS0#,CS2# Chip select Input RAS# Row Address Strobe CAS# Column Address Strobe WE# Write Enable DQM0-7# DQM VCC Power Supply (3.3V) VSS Ground SDA Serial data I/O SCL Serial clock DNU Do not use NC No Connect WP (write protect) option is available on Pin 81, see ordering information on page 5. **These pins should be NC in the system which does not support SPD. White Electronic Designs Corp. reserves the right to change products or speciﬁcations without notice. June, 2003 Rev.1 1 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com 1 page White Electronic Designs W3DG6433V-D2 Part Number W3DG6433V10D2 W3DG6433V75D2 Speed 100MHz 133MHz ORDERING INFORMATION CAS Latency CL=2 CL=3 Part Number WED3DG6333V10D2 WED3DG6333V75D2 Speed 100MHz 133MHz CAS Latency CL=2 CL=3 Note: Available with WP (write protection) on Pin 81. www.DataSheet4U.com .157 (2X) .125 (2X) PACKAGE DIMENSIONS 5.255 MAX. 278 .150 MAX. 1.000 .700 MAX. .450 1.450 2.150 .250 .614 .250 .350 2.275 4.550 ALL DIMENSIONS ARE IN INCHES .157 MIN. .050 .004 White Electronic Designs Corp. reserves the right to change products or speciﬁcations without notice. June, 2003 Rev.1 5 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com 5 Page

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