w9751g6jb Winbond Electronics Corp America, w9751g6jb Datasheet

w9751g6jb

Manufacturer Part Number

w9751g6jb

Description

Manufacturer

Winbond Electronics Corp America

Datasheet

1.W9751G6JB.pdf (86 pages)

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Table of Contents-

7.1

7.2

7.3

7.4

7.2.1

7.2.2

7.2.3

7.2.4

7.2.5

7.3.1

7.3.2

7.3.3

7.3.4

7.3.5

7.3.6

7.3.7

7.3.8

7.3.9

7.3.10

7.3.11

7.4.1

GENERAL DESCRIPTION ...................................................................................................................4

FEATURES ...........................................................................................................................................4

KEY PARAMETERS .............................................................................................................................5

BALL CONFIGURATION ......................................................................................................................6

BALL DESCRIPTION............................................................................................................................7

BLOCK DIAGRAM ................................................................................................................................8

FUNCTIONAL DESCRIPTION..............................................................................................................9

Power-up and Initialization Sequence ...................................................................................................9

Mode Register and Extended Mode Registers Operation ...................................................................10

Command Function.............................................................................................................................20

Read and Write access modes ...........................................................................................................23

7.2.2.1

7.2.2.2

7.2.2.3

7.2.2.4

7.2.3.1

7.2.3.2

7.2.3.3

7.2.5.1

7.4.1.1

Mode Register Set Command (MRS)...............................................................................10

Extend Mode Register Set Commands (EMRS) ..............................................................11

Off-Chip Driver (OCD) Impedance Adjustment ................................................................15

On-Die Termination (ODT)...............................................................................................18

ODT related timings .........................................................................................................18

Bank Activate Command..................................................................................................20

Read Command ...............................................................................................................20

Write Command ...............................................................................................................21

Burst Read with Auto-precharge Command.....................................................................21

Burst Write with Auto-precharge Command .....................................................................21

Precharge All Command ..................................................................................................21

Self Refresh Entry Command ..........................................................................................21

Self Refresh Exit Command .............................................................................................22

Refresh Command ...........................................................................................................22

No-Operation Command ..................................................................................................23

Device Deselect Command..............................................................................................23

Posted

Extend Mode Register Set Command (1), EMR (1)................................................11

DLL Enable/Disable................................................................................................12

Extend Mode Register Set Command (2), EMR (2)................................................13

Extend Mode Register Set Command (3), EMR (3)................................................14

Extended Mode Register for OCD Impedance Adjustment ....................................16

OCD Impedance Adjust ..........................................................................................16

Drive Mode .............................................................................................................17

MRS command to ODT update delay.....................................................................18

Examples of posted

CAS

8M × 4 BANKS × 16 BIT DDR2 SDRAM

....................................................................................................................23

CAS

- 1 -

operation......................................................................23

Publication Release Date: Aug. 03, 2010

W9751G6JB

Revision A04

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