
PC133 SDRAM Unbuffered DIMM
Rev. 0.1/Nov. 01
7
HYM71V32635BT8 Series
BYTE
NUMBER
FUNCTION
DESCRIPTION
FUNCTION
VALUE
NOTE
-K
-H
-K
-H
BYTE73
Manufacturer’s Part Number (Component)
7 (SDRAM)
37h
4, 5
BYTE74
Manufacturer’s Part Number (128Mb based)
1
31h
4, 5
BYTE75
Manufacturer’s Part Number (Voltage Interface)
V (3.3V, LVTTL)
56h
4, 5
BYTE76
Manufacturer’s Part Number (Memory Width)
3
33h
4, 5
BYTE77
....Manufacturer’s Part Number (Memory Width)
2
32h
4, 5
BYTE78
Manufacturer’s Part Number (Data Width)
6
36h
4, 5
BYTE79
....Manufacturer’s Part Number (Data Width)
3
33h
4, 5
BYTE80
Manufacturer’s Part Number (Refresh, SDRAM Bank)
5 (4K Refresh, 4Banks)
35h
4, 5
BYTE81
Manufacturer’s Part Number (Generation)
B
42h
4, 5
BYTE82
Manufacturer’s Part Number (Package Type)
T
54h
4, 5
BYTE83
Manufacturer’s Part Number (Component Configuration)
8 (x8 based)
38h
4, 5
BYTE84
Manufacturer’s Part Number (Hyphent)
- (Hyphen)
2Dh
4, 5
BYTE85
Manufacturer’s Part Number (Min. Cycle Time)
K
H
4Bh
48h
4, 5
BYTE86
~90
Manufacturer’s Part Number
Blanks
20h
4, 5
BYTE91
Revision Code (for Component)
Process Code
-
4, 6
BYTE92
....Revision Code (for PCB)
Process Code
-
4, 6
BYTE93
Manufacturing Date
Year
-
3, 6
BYTE94
....Manufacturing Date
Work Week
-
3, 6
BYTE95
~98
BYTE99
~125
Assembly Serial Number
Serial Number
-
6
Manufacturer Specific Data (may be used in future)
None
00h
BYTE126
System Frequency Support
100MHz
64h
7, 8, 9
BYTE127
Intel Specification Details for 100MHz Support
Refer to Note7
FFh
7, 8, 9
BYTE128
~256
Unused Storage Locations
-
00h
Continued
Note :
1. The bank address is excluded
2. 1, 2, 4, 8 for Interleave Burst Type
3. BCD adopted
4. ASCII adopted
5. Basically Hynix writes Part No. except for ‘HYM’ in Byte 73~90 to use the limited 18 bytes from byte 73 to byte 90
6. Not fixed but dependent
7. CK0~CK3 connected to DIMM, TBD junction temp, CL2(3) support, Intel defined Concurrent Auto Precharge suport
8. Refer to the most recent Intel and JEDEC SPD Specification
9. These values are applied to PC100 applications only per Intel PC SDRAM specification
10. In the case of L-Part, character ‘L’ will be added between byte 81 and byte 82
11. Refer to HSI Web site.
Byte 81~86 for L-Part
BYTE
NUMBER
FUNCTION
DESCRIPTION
FUNCTION
VALUE
NOTE
-K
-H
-K
-H
BYTE81
Manufacturer’s Part Number (Generation)
B
42h
4, 5
BYTE82
Manufacturer’s Part Number (Power)
L
4Ch
4, 5
BYTE83
Manufacturer’s Part Number (Package Type)
T
54h
4, 5
BYTE84
Manufacturer’s Part Number (Component Configuration)
8 (x8 based)
38h
4, 5
BYTE85
Manufacturer’s Part Number (Hyphent)
- (Hyphen)
2Dh
4, 5
BYTE86
Manufacturer’s Part Number (Min. Cycle Time)
K
H
4Bh
48h
4, 5