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WED3DG7266V-D1 fiches techniques PDF

White Electronic Designs - 512MB - 64Mx72 SDRAM

Numéro de référence WED3DG7266V-D1
Description 512MB - 64Mx72 SDRAM
Fabricant White Electronic Designs 
Logo White Electronic Designs 





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WED3DG7266V-D1 fiche technique
Whitewww.datasheet4u.com Electronic Designs
WED3DG7266V-D1
PRELIMINARY*
512MB – 64Mx72 SDRAM, UNBUFFERED, w/PLL
FEATURES
DESCRIPTION
PC100 and PC133
Burst Mode Operation
Auto and Self Refresh capability
LVTTL compatible inputs and outputs
Serial Presence Detect with EEPROM
The WED3DG7266V is a 64Mx72 synchronous DRAM
module which consists of nine 64Mx8 SDRAM components
in TSOP II package, and one 2Kb EEPROM in an 8
pin TSOP package for Serial Presence Detect which
are mounted on a 144 pin SO-DIMM multilayer FR4
Substrate.
Fully synchronous: All signals are registered on the
positive edge of the system clock
Programmable Burst Lengths: 1, 2, 4, 8 or Full
Page
Single Rank
NOTE: Consult factory for availability of:
• RoHS compliant products
• Vendor source control options
• Industrial temperature option
3.3V ± 0.3V Power Supply
144 Pin SO-DIMM JEDEC
• D1: 31.75 (1.25") TYP
PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE)
PIN FRONT PIN BACK PIN
1 VSS 2 VSS 49
3 DQ0 4 DQ32 51
5 DQ1 6 DQ33 53
7 DQ2 8 DQ34 55
9 DQ3 10 DQ35 57
11 VCC 12 VCC 59
13 DQ4 14 DQ36 61
15 DQ5 16 DQ37 63
17 DQ6 18 DQ38 65
19 DQ7 20 DQ39 67
21 VSS 22 VSS 69
23 DQMB0 24 DQMB4 71
25 DQMB1 26 DQMB5 73
27 VCC 28 VCC 75
29 A0 30 A3 77
31 A1 32 A4 79
33 A2 34 A5 81
35 VSS 36 VSS 83
37 DQ8 38 DQ40 85
39 DQ9 40 DQ41 87
41 DQ10 42 DQ42 89
43 DQ11 44 DQ43 91
45 VCC 46 VCC 93
47 DQ12 48 DQ44 95
PINOUT
FRONT
DQ13
DQ14
DQ15
VSS
CB0
CB1
PIN
50
52
54
56
58
60
CLK0
VCC
RAS#
WE#
SO#
S1#*
NC
VSS
CB2
CB3
VCC
DQ16
DQ17
DQ18
DQ19
VSS
DQ20
DQ21
62
64
66
68
70
72
74
76
78
80
82
84
86
88
90
92
94
96
BACK
DQ45
DQ46
DQ47
VSS
CB4
CB5
CKE0
VCC
CAS#
CKE1*
A12*
NC
CLK1
VSS
CB6
CB7
VCC
DQ48
DQ49
DQ50
DQ51
VSS
DQ52
DQ53
PIN FRONT PIN BACK
97 DQ22 98 DQ54
99 DQ23 100 DQ55
101 VCC 102 VCC
103 A6 104 A7
105 A8 106 BA0
107 VSS 108 VSS
109 A9 110 BA1
111 A10 112 A11
113 VCC 114 VCC
115 DQMB2 116 DQMB6
117 DQMB3 118 DQMB7
119 VSS 120 VSS
121 DQ24 122 DQ56
123 DQ25 124 DQ57
125 DQ26 126 DQ58
127 DQ27 128 DQ59
129 VCC 130 VCC
131 DQ28 132 DQ60
133 DQ29 134 DQ61
135 DQ30 136 DQ62
137 DQ31 138 DQ63
139 VSS 140 VSS
141 SDA 142 SCL
143 VCC 144 VCC
PIN NAMES
A0 – A12
BA0-1
DQ0-63
CLK0, CLK1
CB0-7
CKE0
CS0#
RAS#
CAS#
WE#
DQM0-7
VCC
VSS
SDA
SCL
DNU
NC
Address Input (Multiplexed)
Select Bank
Data Input/Output
Clock Input
Check Bit (Data-In/Data-Out)
Clock Enable Input
Chip Select Input
Row Address Strobe
Column Address Strobe
#Write Enable
DQM
Power Supply (3.3V)
Ground
Serial Data I/O
Serial Clock
Do Not Use
No Connect
* These pins are not used in this module
** These pins should be NC in the system which does
not support SPD.
Febuary 2006
Rev. 2
1 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com

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