MH4V64AXJJ View Datasheet(PDF) - MITSUBISHI ELECTRIC
Part Name
Description
View to exact match
MH4V64AXJJ Datasheet PDF : 25 Pages
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Preliminary
Some of contents are subject
to change without notice.
MITSUBISHI LSIs
MH4V64/644AXJJ-5,-6,-5S,-6S
FAST PAGE MODE 268435456-BIT (4194304-WORD BY 64-BIT)DYNAMIC RAM
Serial Presence Detece TABLE (MH4V644AXJJ-5S,-6S)
Bytes
Function described
SPD entry data
SPD DATA entry(Hex)
0 Defines # bytes written into serial memory at module mfgr
128
80
1
Total # bytes of SPD memory device
256 Bytes
08
2
Fundamental memory type
FPM DRAM
01
3
# Row Addresses on this assembly
A0-A11
0C
4
# Column Addresses on this assembly
A0-A9
0A
5
# Module Banks on this assembly
1bank
01
6
Data Width of this assembly...
x64
40
7
... Data Width continuation
0
00
8
Voltage interface standard of this assembly
3.3V LVTTL
02
9
RAS# access time of this assembly
-5S
50ns
32
-6S
60ns
3C
10
CAS# access time of this assembly
-5S
13ns
0D
-6S
15ns
0F
11
DIMM Configuration type (Non-parity,Parity,ECC)
non parity
00
12
Refresh Rate/Type
S/R(15.625uS)
80
13
DRAM width,Primary DRAM
x16
10
14
Error Checking DRAM data width
N/A
00
15-31
Reserved for future offerings
open
00
32-61
Superset Memory type(may be used in future)
open
00
62
SPD Data Revision Code
Rev 1
01
63
Checksum for bytes 0-62
Check sum for -5S
B2
Check sum for -6S
BE
64-71
Manufacturers JEDEC ID code per JEP-106
MITSUBISHI
1CFFFFFFFFFFFFFF
72
Manufacturing location
Miyoshi,Japan
01
Tajima,Japan
02
NC,USA
03
Germany
04
73-90
Manufacturer's Part Number
MH4V644AXJJ-5S 4D48345636343441584A4A2D3553355320202020
MH4V644AXJJ-6S 4D48345636343441584A4A2D3653365320202020
91-92
Revision Code
PCB revision
rrrr
93-94
Manufacturing date
year/week code
yy/ww
95-98
Assembly Serial Number
serial number
ssssssss
99-125
Manufacturer Specific Data
open
00
126-127
Reserved
open
00
128-255
Open User Free-Form area not defined
open
00
MIT-DS-0072-0.5
MITSUBISHI
ELECTRIC
( 7 / 25 )
26/Feb./1997
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