參數(shù)資料
型號: HYB25L512160AC
廠商: INFINEON TECHNOLOGIES AG
英文描述: 512MBit Mobile-RAM
中文描述: 512兆移動RAM
文件頁數(shù): 20/50頁
文件大?。?/td> 1335K
代理商: HYB25L512160AC
HYB25L512160AC–7.5
512MBit Mobile-RAM
Functional Description
Data Sheet
20
Rev. 1.3, 2004-04
10212003-BSPE-77OL
3.4.3
MODE REGISTER SET
Figure 10
Mode Register Set Command
The mode registers are loaded via inputs A0 - A12
(see mode register descriptions in
Chapter 3.2
). The
MODE REGISTER SET command can only be issued
when all banks are idle and no bursts are in progress.
A subsequent execucommand cannot be issued until
t
MRD
is met. The command may be issued to both
chips in parallel (CS0 = CS1 = 0).
Figure 11
Mode Register Definition
= Don't Care
CS
CKE
(High)
CLK
A0-A12
Code
BA0,BA1
Code
WE
CAS
RAS
Table 8
Parameter
Timing Parameters for Mode Register Set Command
Symbol
– 7.5
Unit
Notes
min.
2
max.
MODE REGISTER SET command period
t
MRD
t
CK
Code = Mode Register / Extended Mode Register selection
(BA0, BA1) and op-code (A0 - A12)
t
MRD
= Don't Care
CLK
Command
MRS
NOP
Valid
Address
Code
Valid
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