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W3EG7266S262AD4F

Description
DDR DRAM Module, 64MX72, 0.75ns, CMOS, LEAD FREE, SO-DIMM-200
Categorystorage    storage   
File Size191KB,13 Pages
ManufacturerMicrosemi
Websitehttps://www.microsemi.com
Environmental Compliance
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W3EG7266S262AD4F Overview

DDR DRAM Module, 64MX72, 0.75ns, CMOS, LEAD FREE, SO-DIMM-200

W3EG7266S262AD4F Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
Parts packaging codeMODULE
package instructionDIMM,
Contacts200
Reach Compliance Codeunknow
ECCN codeEAR99
access modeFOUR BANK PAGE BURST
Maximum access time0.75 ns
Other featuresAUTO/SELF REFRESH
JESD-30 codeR-XDMA-N200
memory density4831838208 bi
Memory IC TypeDDR DRAM MODULE
memory width72
Number of functions1
Number of ports1
Number of terminals200
word count67108864 words
character code64000000
Operating modeSYNCHRONOUS
Maximum operating temperature70 °C
Minimum operating temperature
organize64MX72
Package body materialUNSPECIFIED
encapsulated codeDIMM
Package shapeRECTANGULAR
Package formMICROELECTRONIC ASSEMBLY
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
self refreshYES
Maximum supply voltage (Vsup)2.7 V
Minimum supply voltage (Vsup)2.3 V
Nominal supply voltage (Vsup)2.5 V
surface mountNO
technologyCMOS
Temperature levelCOMMERCIAL
Terminal formNO LEAD
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
Base Number Matches1
White Electronic Designs
W3EG7266S-AD4
-BD4
PRELIMINARY*
512MB – 64Mx72 DDR SDRAM UNBUFFERED ECC w/PLL
FEATURES
Double-data-rate architecture
DDR200, DDR266, DDR300 and DDR400
• JEDEC design specifications
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:
• V
CC
= V
CCQ
= +2.5V ± 0.2V (100, 133 and
166MHz)
• V
CC
= V
CCQ
= +2.6V ± 0.1V (200MHz)
JEDEC standard 200 pin SO-DIMM package
• Package height options:
AD4: 35.05 mm (1.38”)
BD4: 31.75 mm (1.25”)
NOTE: Consult factory for availability of:
• Lead-Free Products
• Vendor source control options
• Industrial temperature options
* This data sheet describes a product that is not fully qualified or characterized and is
subject to change without notice.
DESCRIPTION
The W3EG7266S is a 64Mx72 Double Data Rate
SDRAM memory module based on 512Mb DDR SDRAM
components. The module consists of nine 64Mx8 DDR
SDRAMs in 66 pin TSOP packages 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 Lengths allow the same device to
be useful for a variety of high bandwidth, high performance
memory system applications.
OPERATING FREQUENCIES
DDR400@CL=3
Clock Speed
CL-t
RCD
-t
RP
200MHz
3-3-3
DDR333@CL=2.5
166MHz
2.5-3-3
DDR266@CL=2
133MHz
2-2-2
DDR266@CL=2.5
133MHz
2.5-3-3
DDR200@CL=2
100MHz
2-2-2
October 2004
Rev. 7
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com

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