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WED3EG6418S-D4 반도체 회로 부품 판매점

128MB- 16Mx64 DDR SDRAM UNBUFFERED



White Electronic Designs 로고
White Electronic Designs
WED3EG6418S-D4 데이터시트, 핀배열, 회로
www.datasheet4u.com
WED3EG6418S-D4
FINAL
128MB- 16Mx64 DDR SDRAM UNBUFFERED W/PLL
FEATURES
DESCRIPTION
Double-data-rate architecture
Speed of 100MHz, 133MHz and 166MHz
Bi-directional data strobes (DQS)
Differential clock inputs (CK & CK#)
Programmable Read Latency 2,2,5 (clock)
Programmable Burst Length (2,4,8)
Programmable Burst type (sequential & interleave)
Edge aligned data output, center aligned data input
Auto and self refresh
Serial presence detect
JEDEC standard 200 pin SO-DIMM package
Power Supply: 2.5V ± 0.25V
The WED3DG6418S is a 16Mx64 Double Data Rate
SDRAM memory module based on 128Mb DDR
SDRAM component. The module consists of eight
16Mx8 DDR SDRAMs in 66 pin TSOP package
mounted on a 200 Pin FR4 substrate.
Synchronous design allows precise cycle control
with the use of system clock. Data I/O transactions
are possible on both edges and Burst Lenths allow
the same device to be useful for a variety of high
bandwidth, high performance memory system
applications.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
Oct. 2002
Rev. # 0
1 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com


WED3EG6418S-D4 데이터시트, 핀배열, 회로
www.datasheet4u.com
WED3EG6418S-D4
FINAL
PIN CONFIGURATIONS
PIN NAMES
Pin Symbol Pin Symbol Pin Symbol Pin Symbol
1 VREF 51 VSS 101 A9 151 DQ42
2 VREF 52 VSS 102 A8 152 DQ46
3
VSS
53
DQ19
103
VSS
153 DQ43
4
VSS
54
DQ23
104
VSS
154 DQ47
5
DQ0
55
DQ24
105
A7
155 VCC
6
DQ4
56
DQ28
106
A6
156 VCC
7 DQ1 57 VCC 107 A5 157 VCC
8 DQ5 58 VCC 108 A4 158 NC
9
VCC
59
DQ25
109
A3
159
VSS
10
VCC
60
DQ29
110
A2
160
NC
11 DQS0
61
DQS3
111
A1
161
VSS
12
DM0
62
DM3 112
A0
162 VSS
13 DQ2 63
VSS 113 VCC 163 DQ48
14 DQ6 64
VSS 114 VCC 164 DQ52
15
VSS
65
DQ26
115 A10/AP 165
DQ49
16
VSS
66
DQ30
116
BA1
166 DQ53
17 DQ3 67 DQ27 117 BA0 167 VCC
18 DQ7 68 DQ31 118 RAS# 168 VCC
19 DQ8 69
VCC 119 WE# 169 DQS6
20 DQ12 70
VCC 120 CAS# 170 DM6
21 VCC 71 NC 121 CSO 171 DQ50
22 VCC 72 NC 122 NC 172 DQ54
23 DQ9 73
NC 123 NC 173 VSS
24 DQ13 74
NC 124 NC 174 VSS
25 DQS1 75
VSS 125 VSS 175 DQ51
26 DM1 76
VSS 126 VSS 176 DQ55
27 VSS 77 DQS8 127 DQ32 177 DQ56
28 VSS 78 DM8 128 DQ36 178 DQ60
29 DQ10 79
NC 129 DQ33 179 VCC
30 DQ14 80
NC 130 DQ37 180 VCC
31 DQ11 81
VCC 131 VCC 181 DQ57
32 DQ15 82
VCC 132 VCC 182 DQ61
33 VCC 83 NC 133 DQS4 183 DQS7
34 VCC 84 NC 134 DM4 184 DM7
35 CK0 85
NC 135 DQ34 185 VSS
36 VCC 86 NC 136 DQ38 186 VSS
37 CK0# 87
VSS 137 VSS 187 DQ58
38 VSS 88 VSS 138 VSS 188 DQ62
39 VSS 89 NC 139 DQ35 189 DQ59
40 VSS 90 VSS 140 DQ39 190 DQ63
41 DQ16 91
NC 141 DQ40 191 VCC
42 DQ20 92
VCC 142 DQ44 192 VCC
43 DQ17 93
VCC 143 VCC 193 SDA
44 DQ21 94
VCC 144 VCC 194 SA0
45
VCC
95
NC
145 DQ41 195
SCL
46
VCC
96
CKE0 146 DQ45 196
SA1
47 DQS2 97
NC 147 DQS5 197 VCCSPD
48 DM2 98
NC 148 DM5 198 SA2
49 DQ18 99
NC 149 VSS 199 VCCID
50 DQ22 100 A11 150 VSS 200 NC
A0 – A11
BA0-BA1
DQ0-DQ63
DQS0-DQS8
CK0
CK0#
CKE0
CS0#
RAS#
CAS#
WE#
DQM0-DQM8
VCC
VCCQ
VSS
VREF
VCCSPD
SDA
SCL
SA0-SA2
VCCID
NC
Address input (Multiplexed)
Bank Select Address
Data Input/Output
Data Strobe Input/Output
Clock input
Clock input
Clock Enable Input
Chip select Input
Row Address Strobe
Column Address Strobe
Write Enable
Data-In Mask
Power Supply (2.5V)
Power Supply for DQS (2.5V)
Ground
Power Supply for Reference
Serial EEPROM Power Supply
(2.3V to 3.6V)
Serial data I/O
Serial clock
Address in EEPROM
VCC Identification Flag
No Connect
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
Oct. 2002
Rev. # 0
2 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com




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WED3EG6418S-D4

128MB- 16Mx64 DDR SDRAM UNBUFFERED - White Electronic Designs