MSDC22D-38KX3 Kingmax Semiconductor, MSDC22D-38KX3 Datasheet - Page 12

• Manufacturer Part Number: MSDC22D-38KX3
• Description: DRAM Module, 512 MB PC-2100 DDR SO-DIMM
• Manufacturer: Kingmax Semiconductor

SERIAL PRESENCE DETECT INFORMATION
Kingmax - Memory Module
Byte #
36~61 Superset information (maybe used in future)
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
62
63
0
1
2
3
4
5
6
7
8
9
# of bytes written into serial memory at module manufacturer
Total # of bytes of SPD memory device
Fundamental memory type
# of row address on this assembly
# of column address on this assembly
# of module banks on this assembly
Data width of this assembly
Data width of this assembly
VDDQ and interface standard of this assembly
DDR SDRAM cycle time from clock @CAS latency of 2.5
DDR SDRAM access time from clock @CAS latency of 2.5
DIMM configuration type (Non-parity , Parity , ECC )
Refresh rate & type
Primary DDR SDRAM width
Error checking DDR SDRAM data width
Minimum clock delay for back-to-back random column
address
DDR SDRAM device attributes: Burst lengths supported
DDR SDRAM device attributes: # of banks on each DDR
SDRAM device
DDR SDRAM device attributes: CAS Latency supported
DDR SDRAM device attributes: CS Latency
DDR SDRAM device attributes: WE Latency
DDR SDRAM module attributes
DDR SDRAM device attributes: General
DDR SDRAM cycle time @CAS latency of 2
DDR SDRAM access time @CAS latency of 2
SDRAM cycle time @CAS latency of 1.5
SDRAM access time @CAS latency of 1.5
Minimum row precharge time (=tRP)
Minimum row active to row active delay (tRRD)
Minimum RAS to CAS delay (=tRCD)
Minimum activate precharge time (=tRAS)
Module Row density
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 bytes 0 ~ 62
Function described
12
512MB PC-2100 DDR SO-DIMM
7.81us, support self refresh
Function Supported
256 bytes (2K-bit)
Registered address
0.2 voltage tolerance
SDRAM DDR
Control inputs
tCCD=1CLK
On-card DLL
Initial release
SSTL 2.5V
128 bytes
± 0.75ns
256MB
2 banks
2 , 4 , 8
4 banks
± 7.5ns
64 bits
2 &2.5
0 CLK
1 CLK
7.5ns
None
None
0.5ns
0.5ns
MSDC22D-38KX3
10ns
20ns
15ns
20ns
45ns
May 2002 Rev: 1.0
1ns
1ns
13
10
-
-
-
-
8
Hex value
0Dh
0Ah
0Ch
A0h
3Ch
2Dh
A0h
A0h
80h
08h
07h
02h
40h
00h
04h
75h
75h
00h
82h
08h
00h
01h
0Eh
04h
01h
02h
20h
00h
75h
00h
00h
50h
50h
40h
50h
50h
00h
00h
E0h