W3EG72126MS166AJD3SF datasheet(3/15 Pages) WEDC

Part #	W3EG72126MS166AJD3SF

Description	1GB-128Mx72 DDR SDRAM REGISTERED ECC w/PLL

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Manufacturer	WEDC [White Electronic Designs Corporation]

Direct Link	http://www.whiteedc.com

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White Electronic Designs

W3EG72126S-D3

-JD3

-AJD3

3

White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com

November 2004

Rev. 3

PRELIMINARY

FUNCTIONAL BLOCK DIAGRAM

VSS

RCS0#

DQS1

DQS2

DQS3

DQS4

DQS5

DQS6

DQS7

DQS8

R

E

G

I

S

T

E

R

DQ0

DQ1

DQ2

DQ3

DQ8

DQ9

DQ10

DQ11

DQ16

DQ17

DQ18

DQ19

DQ24

DQ25

DQ26

DQ27

DQ32

DQ33

DQ34

DQ35

DQ40

DQ41

DQ42

DQ43

DQ48

DQ49

DQ50

DQ51

DQ56

DQ57

DQ58

DQ59

CB0

CB1

CB2

CB3

WE#

RESET#

PCK#

PCK

RCS0#

I/O 3

I/O 2

I/O 1

I/O 0

DQS

CS#

DM

I/O 3

I/O 2

I/O 1

I/O 0

DQS

CS#

DM

I/O 3

I/O 2

I/O 1

I/O 0

DQS

CS#

DM

I/O 3

I/O 2

I/O 1

I/O 0

DQS

CS#

DM

I/O 3

I/O 2

I/O 1

I/O 0

DQS

CS#

DM

I/O 3

I/O 2

I/O 1

I/O 0

DQS

CS#

DM

I/O 3

I/O 2

I/O 1

I/O 0

DQS

CS#

DM

I/O 3

I/O 2

I/O 1

I/O 0

DQS

CS#

DM

I/O 3

I/O 2

I/O 1

I/O 0

DQS

CS#

DM

DQS0

DQS10

DQS11

DQS12

DQS13

DQS14

DQS15

DQS16

DQS17

DQ4

DQ5

DQ6

DQ7

DQ12

DQ13

DQ14

DQ15

DQ20

DQ21

DQ22

DQ23

DQ28

DQ29

DQ30

DQ31

DQ36

DQ37

DQ38

DQ39

DQ44

DQ45

DQ46

DQ47

DQ52

DQ53

DQ54

DQ55

DQ60

DQ61

DQ62

DQ63

CB4

CB5

CB6

CB7

I/O 3

I/O 2

I/O 1

I/O 0

DQS

CS#

DM

I/O 3

I/O 2

I/O 1

I/O 0

DQS

CS#

DM

I/O 3

I/O 2

I/O 1

I/O 0

DQS

CS#

DM

I/O 3

I/O 2

I/O 1

I/O 0

DQS

CS#

DM

I/O 3

I/O 2

I/O 1

I/O 0

DQS

CS#

DM

I/O 3

I/O 2

I/O 1

I/O 0

DQS

CS#

DM

I/O 3

I/O 2

I/O 1

I/O 0

DQS

CS#

DM

I/O 3

I/O 2

I/O 1

I/O 0

DQS

CS#

DM

I/O 3

I/O 2

I/O 1

I/O 0

DQS

CS#

DM

DQS9

CS0#

RBA0 - RBA1

RA0 - RA12

BA0-BA1

A0-A12

RAS#

RRAS#

CAS#

RCAS#

CKE0

RCKE0

RWE#

BA0 - BA1: DDR SDRAMs

A0 - A12: DDR SDRAMs

RAS#: DDR SDRAMs

CAS#: DDR SDRAMs

CKE: DDR SDRAMs

WE: DDR SDRAMs

Serial PD

A0

SA0 SA1

SA2

A1

A2

SDA

WP

CKO

SDRAM

CKO#

REGISTER

PLL

SCL

VSS

VREF

VCC/VCCQ

VCCSPD

DDR SDRAMs

SPD

DDR SDRAMs

Notes:

1.

DQ-to-I/O wiring is shown as recommended but may be changed.

2.

DQ/DQS/DM/CKE/S relationships must be maintained as shown.

NOTE: All resistor values are 22 ohms unless otherwise speciﬁed

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W3EG72126MS166AJD3SF Datasheet(PDF) 3 Page - White Electronic Designs Corporation

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