MH4M36CJD-5 Просмотр технического описания (PDF) - MITSUBISHI ELECTRIC
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MH4M36CJD-5 Datasheet PDF : 14 Pages
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MITSUBISHI LSIs
MH4M36CJD-5,-6,-7
FAST PAGE MODE ( 4194304-WORD BY 36-BIT ) DYNAMIC RAM
Read and Refresh Cycles
Symbol
Parameter
tRC
Read cycle time
tRAS
RAS iow pulse width
tCAS
CAS iow pulse width
tCSH CAS hold time after RAS iow
tRSH RAS hold time after CAS iow
tRCS Read Setup time after CAS high
tRCH Read hold time after CAS iow
tRRH Read hold time after RAS iow
tRAL
Column address to RAS hold time
Limits
MH4M36CJD-5 MH4M36CJD-6 MH4M36CJD-7 Unit
Min Max Min Max Min Max
90
110
130
ns
50 10000 60 10000 70 10000
ns
13 10000 15 10000 20 10000
ns
50
60
70
ns
13
15
20
ns
0
0
0
ns
(Note 20) 0
0
0
ns
(Note 20) 10
10
10
ns
25
30
35
ns
Note 20: Either tRCH or tRRH must be satisfied for a read cycle.
Write Cycle
Symbol
Parameter
tWC
tRAS
tCAS
tCSH
tRSH
tWCS
tWCH
tCWL
tRWL
tWP
tDS
tDH
Write cycle time
RAS iow pulse width
CAS iow pulse width
CAS hold time after RAS iow
RAS hold time after CAS iow
Write setup time before CAS low
Write hold time after CAS iow
CAS hold time after W iow
RAS hold time after W iow
Write pulse width
Data setup time before CAS iow or W iow
Data hold time after CAS iow or W iow
Limits
MH4M36CJD-5 MH4M36CJD-6 MH4M36CJD-7 Unit
Min Max Min Max Min Max
90
110
130
ns
50 10000 60 10000
70 10000
ns
13 10000 15 10000
20 10000
ns
50
60
70
ns
13
15
20
ns
0
0
0
ns
8
10
15
ns
13
15
20
ns
13
15
20
ns
8
10
15
ns
0
0
0
ns
8
10
15
ns
MIT-DS-0035-0.0
MITSUBISHI
ELECTRIC
( 5 / 14 )
Jun/17/1996
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