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부품번호 | W3EG6465S-D4 기능 |
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기능 | 512MB- 64Mx64 DDR SDRAM UNBUFFERED | ||
제조업체 | White Electronic | ||
로고 | |||
White Electronic Designs
W3EG6465S-D4
PRELIMINARY*
512MB- 64Mx64 DDR SDRAM UNBUFFERED
FEATURES
Double-data-rate architecture
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
Power Supply: 2.5V ± 0.20V
JEDEC standard 200 pin SO-DIMM package
DESCRIPTION
The W3EG6465S is a 64Mx64 Double Data Rate
SDRAM memory module based on 512Mb DDR
SDRAM component. The module consists of eight
64Mx8 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.
* This product is under development, is not qualified or characterized and is subject to
change without notice.
www.DataSheet4U.com
Clock Speed
CL-tRCD-tRP
OPERATING FREQUENCIES
DDR266 @CL=2
133MHz
2-2-2
DDR266 @CL=2.5
133MHz
2.5-3-3
DDR266 @CL=2
133MHz
2-3-3
DDR200 @CL=2
100MHz
2-2-2
May 2004
Rev. 3
1 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
White Electronic Designs
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
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.
W3EG6465S-D4
PRELIMINARY
Value
-0.5 to 3.6
-1.0 to 3.6
-55 to +150
8
50
Units
V
V
°C
W
mA
Parameter
Supply Voltage
Supply Voltage
Reference Voltage
Termination Voltage
Input High Voltage
Input Low Voltage
Output High Voltage
Output Low Voltage
DC CHARACTERISTICS
0°C ≤ TA ≤ 70°C, VCC = 2.5V ± 0.2V
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 = 25°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
Max
29
29
29
26
29
8
29
8
Unit
pF
pF
pF
pF
pF
pF
pF
pF
May 2004
Rev. 3
4 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
4페이지 White Electronic Designs
W3EG6465S-D4
PRELIMINARY
Part Number
W3EG6465S262D4C
W3EG6465S263D4C
W3EG6465S265D4C
W3EG6465S202D4C
ORDERING INFORMATION FOR D4
Speed
133MHz/266Mb/s
133MHz/266Mb/s
133MHz/266Mb/s
100MHz/200Mb/s
CAS Latency
2
2
2.5
2
tRCD
2
3
3
2
tRP
2
3
3
2
Height*
31.75 (1.25")
31.75 (1.25")
31.75 (1.25")
31.75 (1.25")
Temperature
0°C to 70°C
0°C to 70°C
0°C to 70°C
0°C to 70°C
PACKAGE DIMENSIONS FOR D4
3.98 ± 0.1
(0.157 ± 0.004)
U3
C3
RP1
RP5
RP9
C5
U5
67.56
(2.666) MAX
R17
R19
R9
R2
R11
R12
C27
R5
R18
R20
R10
R13
U1
U7
U9
R3
RP14
C2
RP18
RP13
RP19
C29
C3
C28
R21
C6
RP4
RP7
C18
RP12
C7
RP20
RP22
C8 C26
31.75
(1.25)
20
(0.787)
3.81
(0.150) MAX.
2.31
(0.091) REF.
11.40
(0.449)
4.19
(0.165)
1.80
(0.071)
47.40
(1.866)
3.98
(0.157) MIN.
1.0 ± 0.1
(0.039 ± 0.004)
* ALL DIMENSIONS ARE IN MILIMETERS AND (INCHES)
May 2004
Rev. 3
7 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
7페이지 | |||
구 성 | 총 8 페이지수 | ||
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부품번호 | 상세설명 및 기능 | 제조사 |
W3EG6465S-D3 | 512MB - 64Mx64 DDR SDRAM UNBUFFERED | White Electronic |
W3EG6465S-D4 | 512MB- 64Mx64 DDR SDRAM UNBUFFERED | White Electronic |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |