W9825G6EH

Publication Release Date: Dec. 24, 2007

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Revision A02

9.3

Capacitance .................................................................................................................. 13

9.4

DC Characteristics........................................................................................................ 14

9.5

AC Characteristics and Operating Condition................................................................ 15

10.

TIMING WAVEFORMS ............................................................................................................. 17

10.1

Command Input Timing ................................................................................................ 17

10.2

Read Timing.................................................................................................................. 18

10.3

Control Timing of Input/Output Data............................................................................. 19

10.4

Mode Register Set Cycle .............................................................................................. 20

11.

OPERATING TIMING EXAMPLE ............................................................................................. 21

11.1

Interleaved Bank Read (Burst Length = 4, CAS Latency = 3)...................................... 21

11.2

Interleaved Bank Read (Burst Length = 4, CAS Latency = 3, Auto-precharge)........... 22

11.3

Interleaved Bank Read (Burst Length = 8, CAS Latency = 3)...................................... 23

11.4

Interleaved Bank Read (Burst Length = 8, CAS Latency = 3, Auto-precharge)........... 24

11.5

Interleaved Bank Write (Burst Length = 8) ................................................................... 25

11.6

Interleaved Bank Write (Burst Length = 8, Auto-precharge) ........................................ 26

11.7

Page Mode Read (Burst Length = 4, CAS Latency = 3)............................................... 27

11.8

Page Mode Read / Write (Burst Length = 8, CAS Latency = 3) ................................... 28

11.9

Auto-precharge Read (Burst Length = 4, CAS Latency = 3) ........................................ 29

11.10

Auto-precharge Write (Burst Length = 4) .................................................................... 30

11.11

Auto Refresh Cycle ..................................................................................................... 31

11.12

Self Refresh Cycle....................................................................................................... 32

11.13

Burst Read and Single Write (Burst Length = 4, CAS Latency = 3)............................ 33

11.14

Power Down Mode ...................................................................................................... 34

11.15

Auto-precharge Timing (Read Cycle).......................................................................... 35

11.16

Auto-precharge Timing (Write Cycle).......................................................................... 36

11.17

Timing Chart of Read to Write Cycle........................................................................... 37

11.18

Timing Chart of Write to Read Cycle........................................................................... 37

11.19

Timing Chart of Burst Stop Cycle (Burst Stop Command).......................................... 38

11.20

Timing Chart of Burst Stop Cycle (Precharge Command) .......................................... 38

11.21

CKE/DQM Input Timing (Write Cycle)......................................................................... 39

11.22

CKE/DQM Input Timing (Read Cycle)......................................................................... 40

12.

PACKAGE SPECIFICATION .................................................................................................... 41

12.1

54L TSOP II - 400 mil ................................................................................................... 41

13.

REVISION HISTORY ................................................................................................................ 42