MK31VT864 Datasheet, PDF (4/11 Pages) OKI electronic componets – 8,388,608 Word x 64 Bit SYNCHRONOUS DYNAMIC RAM MODULE (1BANK)

MK31VT864-10YE (98.09.03)
SERIAL PRESENCE DETECT
Byte
SPD
Remark
No.
Hex Value
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36-61
62
63
64-71
72
80
08
04
0C
09
01
40
00
01
A0
90
00
80
08
00
01
0E
04
06
01
01
00
06
F0
90
00
00
1E
14
1E
3C
10
30
10
30
10
00-00
02
5A
41,45,20,20,20,20,20,20
01 / 06
Defines the number of bytes written into
SPD memory
Total number of bytes of SPD memory
Fundamental memory type
Number of rows
Number of columns
Number of module banks
Data width of this assembly
... Data width continuation
Voltage interface level
Cycle time (CL=3)
Access time from CLK (CL=3)
DIMM configuration type
Refresh rate / type
Primary SDRAM width
Error checking SDRAM width
Minimum CLK delay
Burst lengths supported
Number of banks on each SDRAM
/CAS latency
/CS latency
/WE latency
SDRAM module attributes
SDRAM device attributes : General
Cycle time (CL=2)
Access time from CLK (CL=2)
Cycle time (CL=1)
Access time from CLK (CL=1)
Minimum ROW pulse width
/RAS to /RAS bank delay
/RAS to /CAS delay
Minimum /RAS precharge time
Density of each bank on module
Command and Address Signal Input Setup Time
Command and Address Signal Input Hold Time
Data Signal Input Setup Time
Data Signal Input Hold Time
SPD data revision code
Checksum for byte 0-62
Manufacturer’s JEDEC ID code
Manufacturing location
73-90
91, 92
93-125
126
127
128-255
4D,4B,33,31,56,54,38,36,34,
2D,31,30,59,45,20,20,20,20
20, 20
XX-XX
66
06
FF-FF
Manufacturer’s part number
Revision code
R.F.U
Intel specification frequency
Intel specification /CAS latency
Unused storage locations
Notes
128 byte
256 byte
SDRAM
12 rows
9 columns
1 bank
64 bits
0 bits
LVTTL
CL=3 tCC=10ns
CL=3 tAC3=9ns
Non Parity
Normal / Self
x8
tCCD: 1 CLK
2, 4, 8
4 banks
2,3
0
0
CL=2 tCC2=15ns
CL=2 tAC2=9ns
Not support
Not support
tRP=30ns
tRRD=20ns
tRCD=30ns
tRAS=60ns
64MB
3ns
1ns
3ns
1ns
R.F.U
0.2
MK31VT864-10YE
66MHz
CL=2, 3
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