A43E16161
Mode Register Set Cycle
Auto Refresh Cycle
0
1
2
3
4
5
6
0
1
2
3
4
5
6
7
8
9
10
CLOCK
CKE
High
High
*Note 2
CS
t
RC
RAS
CAS
* Note 1
* Note 3
Key
Ra
ADDR
WE
DQM
DQ
Hi-Z
Hi-Z
MRS
Auto Refresh
New Command
: Don't care
New
Command
* Both banks precharge should be completed before Mode Register Set cycle and auto refresh cycle.
MODE REGISTER SET CYCLE
* Note : 1.
,
,
&
activation at the same clock cycle with address key will set internal mode register.
WE
CS RAS CAS
2. Minimum 2 clock cycles should be met before new
3. Please refer to Mode Register Set table.
activation.
RAS
PRELIMINARY (August, 2005, Version 0.0)
38
AMIC Technology, Corp.
AMICC [ AMIC TECHNOLOGY ]
