參數(shù)資料
型號(hào): HYB18L128160BF
廠(chǎng)商: QIMONDA
英文描述: DRAMs for Mobile Applications 128-Mbit Mobile-RAM
中文描述: 針對(duì)移動(dòng)應(yīng)用的DRAM 128 - Mbit的移動(dòng)RAM
文件頁(yè)數(shù): 16/55頁(yè)
文件大?。?/td> 1399K
代理商: HYB18L128160BF
Data Sheet
16
Rev. 1.71, 2007-01
05282004-NZNK-8T0D
HY[B/E]18L128160B[C/F]-7.5
128-Mbit Mobile-RAM
Functional DescriptionCommands
2.4.2
DESELECT
The DESELECT function (CS = HIGH) prevents new commands from being executed by the Mobile-RAM. The
Mobile-RAM is effectively deselected. Operations already in progress are not affected.
2.4.3
MODE REGISTER SET
Figure 7
Mode Register Set Command
The Mode Register and Extended Mode Register are loaded via inputs A0 - A11 (see mode register descriptions
in
Chapter 2.2
). The MODE REGISTER SET command can only be issued when all banks are idle and no bursts
are in progress. A subsequent executable command cannot be issued until t
MRD
is met.
Figure 8
Mode Register Definition
Table 9
Parameter
Timing Parameters for Mode Register Set Command
Symbol
- 7.5
Units
Notes
min.
max.
MODE REGISTER SET command period
t
MRD
2
t
CK
$ONgT #ARE
#3
#+%
(IGH
#,+
! !
#ODE
"! "!
#ODE
7%
#!3
2!3
#ODE
-ODE 2EGISTER %XTENDED -ODE 2EGISTER SELECTION
"!
"!
AND OP CODE !
!
T
-2$
$ONgT #ARE
#,+
#OMMAND
-23
./0
6ALID
!DDRESS
#ODE
6ALID
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