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
FUNCTION
in addition to normal read, write, a number of other
functions, e.g., hyper page mode, RAS only refresh,
The input conditions for each are shown in Table 1.
Table 1 Input conditions for each mode
Operation
Read
RAS
ACT
CAS
ACT
Inputs
Row
W
address
NAC
APD
Column
address
APD
Input/Output
Input
OPN
Output
VLD
Early write
ACT
ACT
ACT
APD
APD
VLD
OPN
RAS-only refresh
ACT
NAC
DNC
APD
DNC
DNC
OPN
Hidden refresh
CAS before RAS refresh
Standby
ACT
ACT
NAC
ACT
ACT
DNC
NAC
DNC
DNC
APD
DNC
DNC
DNC
DNC
DNC
OPN
DNC
DNC
VLD
OPN
OPN
Note : ACT : active, NAC : nonactive, DNC : don' t care, VLD : valid, IVD : Invalid,APD : applied, OPN : open
BLOCK DIAGRAM
DQ1 DQ3 DQ5 DQ7 DQ9 DQ11 DQ13 DQ15
DQ0 DQ2 DQ4 DQ6 DQ8 DQ10 DQ12 DQ14 MP0
MP1
MP2 MP3
2 4 6 8 20 22 24 26 49 51 53 55 57 61 63 65 36 37 35 38
DQ17 DQ19 DQ21 DQ23 DQ25 DQ27 DQ29 DQ31
DQ16 DQ18 DQ20 DQ22 DQ24 DQ26 DQ28 DQ30
3 5 7 9 21 23 25 27 50 52 54 56 58 60 62 64
LDATA
UDATA
M5M418165CJ
LCAS UCAS
0
1
2
3
M5M44505CJ
01 23
LDATA
UDATA
M5M418165CJ
LCAS UCAS
44
40
43
RAS0 CAS0 CAS1
MIT-DS-0084-1.0
12 13 14 15 16 17 18 28 31 32
A0 A1 A2 A3 A4 A5 A6 A7 A8 A9
34
41
42
RAS2 CAS2 CAS3
MITSUBISHI
ELECTRIC
( 2 / 15 )
Oct.15.96
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