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VG36644080/1641DTL-6 参数 Datasheet PDF下载

VG36644080/1641DTL-6图片预览
型号: VG36644080/1641DTL-6
PDF下载: 下载PDF文件 查看货源
内容描述: CMOS同步动态RAM [CMOS Synchronous Dynamic RAM]
分类和应用:
文件页数/大小: 69 页 / 1363 K
品牌: VML [ VANGUARD INTERNATIONAL SEMICONDUCTOR ]
 浏览型号VG36644080/1641DTL-6的Datasheet PDF文件第6页浏览型号VG36644080/1641DTL-6的Datasheet PDF文件第7页浏览型号VG36644080/1641DTL-6的Datasheet PDF文件第8页浏览型号VG36644080/1641DTL-6的Datasheet PDF文件第9页浏览型号VG36644080/1641DTL-6的Datasheet PDF文件第11页浏览型号VG36644080/1641DTL-6的Datasheet PDF文件第12页浏览型号VG36644080/1641DTL-6的Datasheet PDF文件第13页浏览型号VG36644080/1641DTL-6的Datasheet PDF文件第14页  
VG36644041DT / VG36648041DT / VG36641641DT  
CMOS Synchronous Dynamic RAM  
VIS  
2.Truth Table  
2.1 Command Truth Table  
CKE  
n - 1  
A11  
A9 - A0  
FUNCTION  
Symbol  
n
X
X
X
X
X
X
X
X
X
X
X
H
L
CS  
H
L
RAS CAS WE  
BA  
X
X
L
A10  
X
X
L
Device deselect  
No operation  
DESL  
NOP  
H
H
H
H
H
H
H
H
H
H
H
H
H
X
H
L
X
H
L
X
H
L
X
X
V
V
V
V
V
V
X
X
X
X
X
Mode register set  
Bank activate  
MRS  
L
ACT  
L
L
H
L
H
H
H
L
V
V
V
V
V
V
X
X
X
X
V
L
Read  
READ  
READA  
WRIT  
WRITA  
PRE  
L
H
H
H
H
L
Read with auto precharge  
Write  
L
L
H
L
L
L
Write with auto precharge  
Precharge select bank  
Precharge all banks  
Burst stop  
L
L
L
H
L
L
H
H
H
L
L
PALL  
BST  
L
L
L
H
X
X
X
L
H
L
L
CBR (Auto) refresh  
Self refresh  
REF  
L
H
H
SELF  
L
L
L
2.2 DQM Truth Table  
CKE  
DQM  
FUNCTION  
Data write/output enable  
Data mask/output disable  
Symbol  
ENB  
n - 1  
n - 1  
X
H
H
L
MASK  
X
H
2.3 CKE Truth Table  
CKE  
n - 1  
Add -  
ress  
Current State  
Function  
Symbol  
n
CS  
X
X
X
L
RAS CAS  
WE  
X
Activating  
Any  
Clock suspend mode entry  
Clock suspend  
H
L
L
L
X
X
X
L
X
X
X
L
X
X
X
X
X
X
X
X
X
X
Clock suspend  
Idle  
Clock suspend mode exit  
CBR refresh command  
Self refresh entry  
L
H
H
L
X
REF  
H
H
L
H
H
H
X
Idle  
SELF  
L
L
L
Self refresh  
Self refresh exit  
H
H
L
L
H
X
X
X
H
X
X
X
L
H
X
X
Idle  
Power down entry  
Power down exit  
H
L
X
Power down  
H
X
H : High level, L : Low level  
X : High or Low level (Don’t care), V : Valid Data input  
Document :1G5-0177  
Rev.2  
Page10