W3DG7268V-AD1 datasheet(2/9 Pages) WEDC

Part #	W3DG7268V-AD1

Description	512MB- 64Mx72 SDRAM UNBUFFERED

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Manufacturer	WEDC [White Electronic Designs Corporation]

Direct Link	http://www.whiteedc.com

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W3DG7268V-AD1

2

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

White Electronic Designs

October 2004

Rev. 2

PRELIMINARY

FUNCTIONAL BLOCK DIAGRAM

DQMB0

WE#

DQ0

DQ1

DQ2

DQ3

DQ4

DQ5

DQ6

DQ7

CS0#

DQM

WE#

DQ15

DQ14

DQ13

DQ12

DQ11

DQ10

DQ9

DQ8

WE#

DQM

CS0#

DQ23

DQ22

DQ21

DQ20

DQ19

DQ18

DQ17

DQ16

WE#

DQM

CS0#

WE#

DQM

CS0#

DQ31

DQ30

DQ29

DQ28

DQ27

DQ26

DQ25

DQ24

WE#

DQM

CS0#

DQ62

DQ63

DQ61

DQ60

DQ59

DQ58

DQ57

DQ56

DQ47

DQ51

DQ55

DQ54

DQ53

DQ52

DQ49

DQ50

DQ48

DQ43

DQ45

DQ46

DQ44

DQ41

DQ42

DQ40

DQ39

DQ37

DQ38

DQ35

DQ36

DQ33

DQ34

DQ32

WE#

DQM

CS0#

DQM

CS0#

D7

WE#

CS0#

DQM

WE#

DQM

CS0#

DQMB1

DQMB2

DQMB3

DQMB7

DQMB6

DQMB5

DQMB4

I/O 0

I/O 1

I/O 2

I/O 3

I/O 4

I/O 5

I/O 6

I/O 7

I/O 3

I/O 7

I/O 6

I/O 5

I/O 4

I/O 2

I/O 1

I/O 0

I/O 3

I/O 7

I/O 6

I/O 5

I/O 4

I/O 2

I/O 1

I/O 0

I/O 3

I/O 7

I/O 6

I/O 5

I/O 4

I/O 2

I/O 1

I/O 0

I/O 3

I/O 7

I/O 6

I/O 5

I/O 4

I/O 2

I/O 1

I/O 0

I/O 3

I/O 7

I/O 6

I/O 5

I/O 4

I/O 2

I/O 1

I/O 0

I/O 7

I/O 0

I/O 1

I/O 2

I/O 4

I/O 5

I/O 6

I/O 3

I/O 4

I/O 5

I/O 6

I/O 7

I/O 0

I/O 1

I/O 2

I/O 0

I/O 1

I/O 2

I/O 4

I/O 5

I/O 6

I/O 7

I/O 3

CB3

CB6

CB7

CB4

CB5

CB1

CB2

CB0

A0

CAS#

RAS#

CKE0

CKE: SDRAM D0-D8

CAS#: SDRAM D0-D8

RAS#: SDRAM D0-D8

SCL

SDA

A2

A1

SERIAL PD

A0-A12: SDRAM

D0-D8

A0-A12

BA0-BA1

BA0-BA1: SDRAM D0-D8

D0-D8

*CLOCK WIRING

CLOCK

INPUT

SDRAMS

*CLK0

*CLK1

5 SDRAMS

4 SDRAMS

*Wire per Clock Loading Table/Wiring Diagrams

VSS

VCC

Note: DQ wiring may differ than

described in this drawing, however

DQ/DQMB/CKE/S relationships must

be maintained as shown.

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