WEDC WED3EG6418S202D4

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#)
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.
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
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
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
DQ53
16
VSS
66
DQ30
116
BA1
166
17
DQ3
67
DQ27
117
BA0
167
VCC
18
DQ7
68
DQ31
118
RAS#
168
VCC
DQS6
19
DQ8
69
VCC
119
WE#
169
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
WED3EG6418S-D4
FINAL
FUNCTIONAL BLOCK DIAGRAM
WE#,RAS#CAS#
CKE0
SO#
BA0,BA1,A0-A11
DQ0-7
DQ0-7
DQ0-7
DM
DQM0
DM
DQ32-39
DQM4
U3
U1
SERIAL PD
SCL
SDA
WP
A0
A1
A2
DQ0-7
DQ8-15
SA0 SA1 SA2
DM
DQM1
CK0
120 Ω
CK0#
PLL
DQ0-7
DM
DQ16-23
DM
U6
DQ0-7
DQM2
DQM5
DM
DQ48-55
DQM6
U7
U5
DQ0-7
DM
DQ40-479
U4
U2
DDR SDRAM U1
DDR SDRAM U2
DDR SDRAM U3
DDR SDRAM U4
DDR SDRAM U4
DDR SDRAM U6
DDR SDRAM U7
DDR SDRAM U8
DQ0-7
DQ24-31
DQ0-7
DQM3
DM
DQ56-63
DQM7
U8
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
Oct. 2002
Rev. # 0
3
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WED3EG6418S-D4
FINAL
Absolute Maximum Ratings
Parameter
Voltage on any pin relative to VSS
Voltage on VCC supply relative to VSS
Storage Temperature
Power Dissipation
Short Circuit Current
Symbol
VIN, VOUT
VCC, VCCQ
TSTG
PD
IOS
Value
-0.5 ~ 3.6
-1.0 ~ 3.6
-55 ~ +150
8
50
Units
V
V
°C
W
mA
Note:
Permanent device damage may occur if "ABSOLUTE MAXIMUM RATINGS" are exceeded.
Functional operation should be restricted to recommended operating condition.
Exposure to higher than recommended voltage for extended periods of time could affect device reliability.
DC CHARACTERISTICS
(tA = 0 to 70°C, VCC = 2.5V ± 0.2V)
Parameter
Supply Voltage
Supply Voltage
Reference Voltage
Termination Voltage
Input High Voltage
Input Low Voltage
Output High Voltage
Output Low Voltage
Symbol
VCC
VCCQ
VREF
VTT
VIH
VIL
VOH
VOL
Min
2.3
2.3
VCCQ/2-50mV
VREF-0.04
VREF+0.15
-0.3
VTT+0.76
—
Max
2.7
2.7
VCCQ/2+50mV
VREF+0.04
VCCQ+0.3
VREF+0.15
—
VTT-0.76
Unit
V
V
V
V
V
V
V
V
CAPACITANCE
(tA = 23°C, f = 1MHz, VCC = 3.3V, VREF=1.4V ± 200mV)
Parameter
Input Capacitance (A0-A12)
Input Capacitance (RAS#,CAS#,WE#)
Input Capacitance (CKE0)
Input Capacitance (CK0, CK0#)
Input Capacitance (CS0#)
Input Capacitance (DQM0-DQM8)
Input Capacitance (BA0-BA1)
Data input/output capacitance (DQ0-DQ63)(DQS)
Symbol
CIN1
CIN2
CIN3
CIN4
CIN5
CIN6
CIN7
COUT
Min
-
Max
34
34
34
30
30
10
45
10
Unit
pF
pF
pF
pF
pF
pF
pF
pF
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
Oct. 2002
Rev. # 0
4
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WED3EG6418S-D4
FINAL
IDD SPECIFICATIONS AND TEST CONDITIONS
(Recommended operating conditions, tA = 0 to 70°C, VCCQ = 2.5V ± 0.2V, VCC = 2.5V ± 0.2V)
Parameter
Symbol
Operating Current
IDD0
Operating Current
IDD1
Precharge PowerDown Standby Current
IDD2P
Idle Standby Current
IDD2F
Active Power-Down
Standby Current
IDD3P
Active Standby Current
IDD3N
Operating Current
IDD4R
Operating Current
IDD4W
Auto Refresh Current
Self Refresh Current
IDD5
IDD6
Operating Current
IDD7A
Conditions
One device bank; Active = Precharge;
tRC=tRC(MIN); tCK=tCK
(MIN); DQ, DM and DQS inputs changing
once per clock cycle; Address and control
inputs changing once every two cycles.
One device banks; Active-Read-Precharge;
Burst = 2; tRC=tRC(MIN); tCK=tCK
(MIN); lOUT=0mA; Address and control inputs
changing once per clock cycle.
All device bank idle; Power-down mode;
tCK=tCK(MIN); CKE=(low)
CS# = High; All device banks idle;
tCK=tCK(MIN); CKE = high; Address and other
control inputs changing once per clock cycle.
VIN = VREF for DQ, DQS and DM.
One device bank active; Power-down mode;
tCK(MIN); CKE=(low)
CS# = High; CKE = High; One device
bank; Active-Precharge; tRC=tRAS(MAX);
tCK=tCK(MIN); DQ, DM and DQS inputs
changing twice per clock cycle; Address and
other control inputs changing once per clock
cycle
Burst = 2; Reads; Continous burst; Once
device bank active; Address and control
inputs changing once per clock cycle;
tCK=tCK(MIN); IOUT=0mA
Burst=2; Writes; Continous burst; Once
device bank active; Address and control
inputs changing once per clock cycle;
tCK=tCK(MIN); DQ,DM and DQS inputs
changing twice per clock cycle.
tRC=tRC(MIN)
CKE £ 0.2V
Four bank interleaving Reads (BL=4)
with auto precharge with tRC=tRC(MIN);
tCK=tCK(MIN); Address and control input
change only during Active Read or Write
commands.
DDR333@CL=2.5
Max
DDR266@CL=2, 2.5
Max
DDR200@CL=2
Max
Units
840
760
680
mA
1040
960
880
mA
24
24
24
mA
200
180
160
mA
280
280
225
mA
495
440
360
mA
1280
1140
960
mA
1216
1040
815
mA
1520
16
1440
16
1315
16
mA
mA
2640
2400
1920
mA
* Module IDD was calculated on the basis of component IDD and can be different measured according to DQ loading cap.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
Oct. 2002
Rev. # 0
5
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WED3EG6418S-D4
FINAL
DETAILED TEST CONDITIONS FOR DDR SDRAM IDD1 & IDD7A
IDD1 : OPERATING CURRENT: ONE
BANK
IDD7A : OPERATING CURRENT : FOUR
BANK OPERATION
1. Typical Case : VCC = 2.5V, T = 25°C
2. Worst Case : VCC = 2.7V, T = 10°C
3. Only one bank is accessed with tRC (min), Burst Mode,
Address and Control inputs on NOP edge are changing
once per clock cycle.
IOUT = 0mA
4. Timing patterns
-DDR200 (100Mhz, CL = 2) : tCK = 10ns, CL2, BL = 4,
tRCD = 2*tCK, tRAS = 5*tCK
Read : A0 N R0 N N P0 N A0 N - repeat the same
timing with random address changing; 50% of data
changing at every burst
1. Typical Case : Vcc = 2.5V, T = 25°C
2. Worst Case : Vcc = 2.7V, T = 10°C
3. Four banks are being interleaved with tRC (min), Burst
Mode, Address and Control inputs on NOP edge are not
changing.
IOUT = 0mA
4. Timing patterns
- DDR200 (100Mhz, CL = 2) : tCK = 10ns, CL2, BL =
4, tRRD = 2*tCK, tRCD = 3*tCK, Read with autoprecharge
Read : A0 N A1 R0 A2 R1 A3 R2 A0 R3 A1 R0 repeat the same timing with random address
changing; 100% of data changing at every burst
-DDR266B (133Mhz, CL = 2.5): tCK = 7.5ns, CL = 2.5,
BL = 4, tRCD = 3*tCK, tRC = 9*tCK, tRAS = 5*tCK
Read : A0 N N R0 N P0 N N N A0 N - repeat the
same timing with random address changing; 50% of
data changing at every burst
-DDR266B (133Mhz, CL = 2.5) : tCK = 7.5ns, CL =
2.5, BL = 4, tRRD = 2*tCK, tRCD = 3*tCK
Read with autoprecharge
Read : A0 N A1 R0 A2 R1 A3 R2 N R3 A0 N A1
R0 - repeat the same timing with random address
changing; 100% of data changing at every burst
-DDR266A (133Mhz, CL = 2) : tCK = 7.5ns, CL = 2, BL
= 4, tRCD = 3*tCK, tRC = 9*tCK, tRAS = 5*tCK
Read : A0 N N R0 N P0 N N N A0 N - repeat the
same timing with random address changing; 50% of
data changing at every burst
-DDR266A (133Mhz, CL = 2) : tCK = 7.5ns, CL2 = 2,
BL = 4, tRRD = 2*tCK, tRCD = 3*tCK
Read : A0 N A1 R0 A2 R1 A3 R2 N R3 A0 N A1
R0 - repeat the same timing with random address
changing; 100% of data changing at every burst
-DDR333 (166MHz, CL = 2.5) : tCK = 6ns, CL = 2.5, BL
= 4, tRCD = 10*tCK, tRAS = 7*tCK
Read " A0 N N R0 N P0 N N N A0 N - repeat the same
timing with random address changing; 50% of data
changing at every burst.
-DDR333 (166MHz, CL = 2.5) : tCK = 6ns, CL =
2.5, BL = 4, tRRD = 2*tCK, tRCD = 3*tCK, Read with
autoprecharge
Read : A0 N A1 R0 A2 R1 A3 R2 N R3 A0 N A1
R0 - repeat the same timing with random address
changing; 100% of data changing at every burst
Legend : A = Activate, R = Read, W = Write, P = Precharge, N = NOP
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
Oct. 2002
Rev. # 0
6
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WED3EG6418S-D4
FINAL
ORDER INFORMATION
Part Number
WED3EG6418S335D4
WED3EG6418S262D4
WED3EG6418S265D4
WED3EG6418S202D4
Speed
166MHz/333Mbps
133MHz/266Mbps
133MHz/266Mbps
100MHz/200Mbps
CAS Latency
CL=2.5
CL=2
CL=2.5
CL=2
PACKAGE DIMENSIONS
ALL DIMENSIONS ARE IN INCHES
2.666 MAX.
.150 MAX
.079
.157+/-.004
.787
PI
.157
MIN.
.091 REF.
.165
1.866
.071
.449
.039±.004
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
Oct. 2002
Rev. # 0
7
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com