EBE52UD6AFSA
Serial PD Matrix
Byte No. Function described
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Hex value Comments
Number of bytes utilized by module
0
1
1
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
80H
08H
128 bytes
256 bytes
manufacturer
Total number of bytes in serial PD
device
2
3
4
5
6
7
8
Memory type
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
1
0
0
0
0
1
0
0
1
0
0
0
0
0
1
0
1
0
0
1
08H
0DH
0AH
61H
40H
00H
05H
DDR2 SDRAM
Number of row address
Number of column address
Number of DIMM ranks
Module data width
13
10
2
64
Module data width continuation
0
Voltage interface level of this assembly 0
SSTL 1.8V
DDR SDRAM cycle time, CL = 5
9
0
0
1
1
0
0
0
0
30H
3.0ns*1
-6E
-5C
0
0
0
1
1
0
1
1
1
0
1
0
0
0
1
0
3DH
50H
3.75ns*1
5.0ns*1
-4A
SDRAM access from clock (tAC)
-6E
-5C
10
0
1
0
0
0
1
0
1
45H
0.45ns*1
0
0
0
1
0
0
0
1
1
0
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
50H
60H
00H
82H
10H
00H
00H
0.5ns*1
0.6ns*1
None.
7.8µs
× 16
-4A
11
12
13
14
15
DIMM configuration type
Refresh rate/type
Primary SDRAM width
Error checking SDRAM width
Reserved
None.
0
SDRAM device attributes:
16
17
18
0
0
0
0
0
0
0
0
1
0
0
1
1
0
1
1
1
0
0
0
0
0
0
0
0CH
04H
38H
4,8
Burst length supported
SDRAM device attributes: Number of
banks on SDRAM device
SDRAM device attributes:
/CAS latency
4
3, 4, 5
19
20
21
DIMM Mechanical Characteristics
DIMM type information
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
1
0
0
01H
04H
00H
3.80mm max.
SO-DIMM
Normal
SDRAM module attributes
SDRAM device attributes: General
-6E
-5C, -4A
Minimum clock cycle time at CL = 4
-6E, -5C
-4A
Weak Driver
22
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
1
0
0
1
0
0
0
1
0
1
0
0
0
1
1
1
0
03H
01H
3DH
50H
50Ω ODT Support
Weak Driver
23
3.75ns*1
5.0ns*1
Maximum data access time (tAC) from
clock at CL = 4
24
0
0
1
1
0
1
1
0
0
0
0
0
0
0
0
0
50H
60H
0.5ns*1
0.6ns*1
-6E, -5C
-4A
Data Sheet E0722E30 (Ver. 3.0)
5
ELPIDA [ ELPIDA MEMORY ]
