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WED3EG6418S-D4 데이터시트 PDF




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부품번호 WED3EG6418S-D4 기능
기능 128MB- 16Mx64 DDR SDRAM UNBUFFERED
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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 pdf, 반도체, 판매, 대치품
www.datasheet4u.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

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WED3EG6418S-D4 전자부품, 판매, 대치품
www.datasheet4u.com
ORDER INFORMATION
Part Number
WED3EG6418S335D4
WED3EG6418S262D4
WED3EG6418S265D4
WED3EG6418S202D4
Speed
166MHz/333Mbps
133MHz/266Mbps
133MHz/266Mbps
100MHz/200Mbps
PACKAGE DIMENSIONS
ALL DIMENSIONS ARE IN INCHES
2.666 MAX.
.079
CAS Latency
CL=2.5
CL=2
CL=2.5
CL=2
.157+/-.004
PI
.091 REF.
.449
.165
.071
1.866
.787
WED3EG6418S-D4
FINAL
.150 MAX
.157
MIN.
.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

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WED3EG6418S-D4

128MB- 16Mx64 DDR SDRAM UNBUFFERED

White Electronic Designs
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