MH1M365CX-7 Просмотр технического описания (PDF) - MITSUBISHI ELECTRIC
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MH1M365CX-7 Datasheet PDF : 15 Pages
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MITSUBISHI LSIs
MH1M365CXJ/CNXJ-5,-6,-7
HYPER PAGE MODE 37748736-BIT ( 1048576-WORD BY 36-BIT ) DYNAMIC RAM
Write Cycle (Early Write)
Symbol
Parameter
tWC
tRAS
tCAS
tCSH
tRSH
tWCS
tWCH
tWP
tDS
tDH
Write cycle time
RAS low pulse width
CAS low pulse width
CAS hold time after RAS low
RAS hold time after CAS low
Write setup time before CAS low
Write hold time after CAS low
Write pulse width
Data setup time before CAS low or W low
Data hold time after CAS low or W low
Limits
MH1M365C -5 MH1M365C -6 MH1M365C -7 Unit
Min
Max
Min
Max
Min
Max
90
110
130
ns
50 10000
60 10000
70 10000 ns
8 10000
40
10 10000
48
13 10000 ns
55
ns
13
15
20
ns
0
0
0
ns
8
10
13
ns
8
10
13
ns
0
0
0
ns
8
10
13
ns
Hyper page Mode Cycle (Read, Early Write, Hi-Z control by W) (Note 25)
Limits
Symbol
Parameter
MH1M365C -5 MH1M365C -6 MH1M365C -7 Unit
Min
Max
Min
Max
Min
Max
tHPC
Hyper page mode read/write cycle time
20
25
30
ns
tDOH
tRAS
tCP
tCPRH
tCHOL
tWPE
Output hold time from CAS low
RAS low pulse width for read write cycle
CAS high pulse width
(Note24)
(Note25)
RAS hold time after CAS precharge
Hold time to maintain the data Hi-Z until CAS access
W Pulse Width (Hi-Z control)
5
65 100000
8
13
30
7
7
5
77 100000
10
16
35
7
7
5
ns
92 100000 ns
13
16
ns
40
ns
7
ns
7
ns
Note 23: All previously specified timing requirements and switching characteristics are applicable to their respective Hyper page mode cycle.
24: tRAS(min) is specified as two cycles of CAS input are performed.
25: tCP(max) is specified as a reference point only.
CAS before RAS Refresh Cycle (Note 26)
Symbol
Parameter
tCSR
CAS setup time before RAS low
tCHR CAS hold time after RAS low
MH1M365C -5
Min
Max
5
10
Limits
MH1M365C -6
Min Max
5
10
MH1M365C -7 Unit
Min Max
5
ns
15
ns
Note 26: Eight or more CAS before RAS cycles instead of eight RAS cycles are necessary for proper operation of CAS before RAS refresh
mode.
MIT-DS-0084-1.0
MITSUBISHI
ELECTRIC
( 6 / 15 )
Oct.15.96
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