21

Rev 0.7

64Mb Low Power DDR SDRAM

Advanced

Write with Auto Precharge

If A10 is high when write command is issued , the write with auto-precharge function is performed. Any new command to the same

*NOTE :

The new read/write command of other activated bank can be issued from this point.

At burst read/write with auto precharge, CAS interrupt of the same bank is illegal.

0

1

2

3

4

5

6

7

8

9

10

11

CK

CK

NOP

WRITE A

NOP

NOP

DQS

DQs

Figure.15 Write with auto precharge timing

NOP

BANK A

NOP

NOP

NOP

NOP

NOP

NOP

ACTIVE

Auto Precharge

Din 0 Din 1 Din 2 Din 3

*Bank can be reactivated at

< Burst Length=4 >

Command