M366S0823DTS Datasheet, PDF (5/7 Pages) Samsung semiconductor – PC100 Unbuffered DIMM(168pin) SPD Specification(64Mb D-die base)

SERIAL PRESENCE DETECT
PC100 Unbuffered DIMM
Byte #
Function Described
Function Supported
-80
-1H
-1L
Hex value
-80
-1H
-1L
Note
35 Data signal input hold time
36~61 Superset information (maybe used in future)
1ns
1ns
1ns
10h
10h
10h
-
00h
62 SPD data revision code
63 Checksum for bytes 0 ~ 62
PC100 SPD Spec. Ver. 1.2A
12h
-
DFh
05h
35h
64
65~71
72
Manufacturer JEDEC ID code
...... Manufacturer JEDEC ID code
Manufacturing location
Samsung
CEh
Samsung
00h
Onyang Korea
01h
73 Manufacturer part # (Memory module)
M
4Dh
74 Manufacturer part # (DIMM configuration)
75 Manufacturer part # (Data bits)
76 ...... Manufacturer part # (Data bits)
3
33h
Blank
20h
6
36h
77 ...... Manufacturer part # (Data bits)
78 Manufacturer part # (Mode & operating voltage)
79 Manufacturer part # (Module depth)
6
36h
S
53h
0
30h
80 ...... Manufacturer part # (Module depth)
8
38h
81 Manufacturer part # (Refresh, # of banks in Comp. & interface)
2
32h
82 Manufacturer part # (Composition component)
3
33h
83 Manufacturer part # (Component revision)
D
44h
84 Manufacturer part # (Package type)
85 Manufacturer part # (PCB revision & type)
86 Manufacturer part # (Hyphen)
T
54h
S
53h
"-"
2Dh
87 Manufacturer part # (Power)
C
43h
88 Manufacturer part # (Minimum cycle time)
89 Manufacturer part # (Minimum cycle time)
90 Manufacturer part # (TBD)
8
1
1
0
H
L
Blank
38h
31h
31h
30h
48h
4Ch
20h
91 Manufacturer revision code (For PCB)
92 ...... Manufacturer revision code (For component)
93 Manufacturing date (Week)
S
D-die (5th Gen.)
-
53h
44h
-
3
94 Manufacturing date (Year)
-
-
3
95~98 Assembly serial #
99~125 Manufacturer specific data (may be used in future)
126 System frequency for 100MHz
-
Undefined
100MHz
-
4
-
5
64h
127 PC100 specification details
128+ Unused storage locations
Detailed 100MHz Information
ADh
AFh
ADh
Undefined
-
5
Note : 1. The bank select address is excluded in counting the total # of addresses.
2. This value is based on the component specification.
3. These bytes are programmed by code of Date Week & Date Year with BCD format.
4. These bytes are programmed by Samsung ′s own Assembly Serial # system. All modules may have different unique serial #.
5. These bytes are Undefined and can be used for Samsung ′s own purpose.
Rev 0.1 Jan. 2000