參數(shù)資料
型號: MH1V36CAM-7
廠商: Mitsubishi Electric Corporation
英文描述: FAST PAGE MODE 37748736-BIT ( 1048576-WORD BY 36-BIT ) DYNAMIC RAM
中文描述: 快速頁面模式37748736位(1048576 - Word的36位)動態(tài)隨機存儲器
文件頁數(shù): 5/18頁
文件大?。?/td> 190K
代理商: MH1V36CAM-7
MITSUBISHI
ELECTRIC
( 5
FAST PAGE MODE 37748736-BIT ( 1048576-WORD BY 36-BIT ) DYNAMIC RAM
MH1V36CAM-6,-7
MITSUBISHI LSIs
Preliminary Spec.
Some of contents are subject to change without notice.
MIT-DS-0027-0.0
21 May 1996
Read and Refresh Cycles
Limits
Parameter
Read cycle time
RAS low pulse width
CAS low pulse width
CAS hold time after RAS low
RAS hold time after CAS low
Symbol
t
RC
t
RAS
t
CAS
t
CSH
t
RSH
t
RCS
t
RCH
t
RRH
t
RAL
t
OCH
t
ORH
Unit
Min
110
60
15
60
15
Max
Min
130
70
20
70
20
Max
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Read Setup time after CAS high
Read hold time after CAS low
Read hold time after RAS low
Column address to RAS hold time
CAS hold time after OE low
RAS hold time after OE low
(Note 20)
(Note 20)
Write Cycle (Early Write and Delayed Write)
10000
10000
10000
10000
0
0
10
30
15
15
0
0
10
35
20
20
Limits
Parameter
Write cycle time
RAS low pulse width
CAS low pulse width
CAS hold time after RAS low
RAS hold time after CAS low
Symbol
t
WC
t
RAS
t
CAS
t
CSH
t
RSH
t
WCS
t
WCH
t
CWL
t
RWL
t
WP
t
DS
t
DH
t
OEH
Unit
Min
110
60
15
60
15
Max
Min
130
70
20
70
20
Max
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Write setup time before CAS low
Write hold time after CAS low
CAS hold time after W low
RAS hold time after W low
Write pulse width
(Note 22)
10000
10000
10000
10000
10
0
15
15
10
0
10
15
15
0
20
20
15
0
15
20
OE hold time after W low
Data setup time before CAS low or W low
Data hold time after CAS low or W low
Note 20: Either t
RCH
or t
RRH
must be satisfied for a read cycle.
-6
-7
-6
-7
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