A43E26161
Active/Precharge Power Down Mode @CAS Lantency=2, Burst Length=4
0
1
2
3
4
5
6
7
8
9
10
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12
13
14
15
16
17
18
19
CLOCK
CKE
* Note 2
SS
t
SS
t
t
SS
tSS
* Note 1
*Note 3
CS
RAS
CAS
Ra
Ca
ADDR
BS1
BS0
Ra
A10/AP
WE
DQM
DQ
t
SHZ
Qa0
Qa1
Qa2
Precharge
Power-down
Exit
Precharge
Power-down
Entry
Read
Precharge
Row
Active
Active
Active
Power-down
Exit
Power-down
Entry
: Don't care
* Note : 1. All banks should be in idle state prior to entering precharge power down mode.
2. CKE should be set high at least “1CLK + tSS” prior to Row active command.
3. Cannot violate minimum refresh specification. (64ms)
(December, 2004, Version 1.0)
33
AMIC Technology, Corp.
AMICC [ AMIC TECHNOLOGY ]
