EBD12UB8ALF
Serial PD Matrix
Byte No. Function described
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Hex value
Comments
128 bytes
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
manufacturer
Total number of bytes in serial PD
device
256 bytes
2
3
4
5
6
7
8
Memory type
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
1
1
0
0
0
0
1
1
0
1
0
0
0
0
1
0
0
1
0
0
0
07H
0CH
0AH
01H
40H
00H
04H
DDR SDRAM
Number of row address
Number of column address
Number of DIMM banks
Module data width
12
10
1
64
Module data width continuation
0
Voltage interface level of this assembly 0
SSTL2
DDR SDRAM cycle time, CL = 2.5
-7A
9
0
1
1
1
0
1
0
1
75H
7.5ns
-75
-1A
0
1
1
0
1
1
1
0
0
0
1
0
0
0
1
0
75H
A0H
7.5ns
10ns
SDRAM access from clock (tAC)
-7A
10
0
1
1
1
0
1
0
1
75H
0.75ns
-75
0
1
0
1
0
0
1
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
75H
80H
00H
80H
08H
00H
0.75ns
0.8ns
None.
Norm
× 8
-1A
11
12
13
14
DIMM configuration type
Refresh rate/type
Primary SDRAM width
Error checking SDRAM width
None.
SDRAM device attributes:
Minimum clock delay back-to-back
column access
15
0
0
0
0
0
0
0
1
01H
1 CLK
SDRAM device attributes:
Burst length supported
16
17
18
19
20
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
0
0
1
0
0
0
1
0
0EH
04H
0CH
01H
02H
2,4,8
SDRAM device attributes: Number of
banks on SDRAM device
4
SDRAM device attributes:
/CAS latency
2, 2.5
SDRAM device attributes:
/CS latency
SDRAM device attributes:
/WE latency
0
1
Differential
Clock
21
22
23
SDRAM module attributes
0
0
0
0
0
1
1
0
1
0
0
1
0
0
0
0
0
1
0
0
0
0
0
1
20H
00H
75H
SDRAM device attributes: General
VDD 0.2V
Minimum clock cycle time at CL = 2
-7A
7.5ns
-75
-1A
1
1
0
0
1
1
0
0
0
0
0
0
0
0
0
0
A0H
A0H
10ns
10ns
Maximum data access time (tAC) from
24
clock at CL = 2
-7A
0
1
1
1
0
1
0
1
75H
0.75ns
-75
-1A
0
1
0
1
0
0
1
0
0
1
0
0
0
0
0
1
0
0
0
0
0
1
0
0
75H
80H
00H
0.75ns
0.8ns
25 to 26
Preliminary Data Sheet E0216E10 (Ver. 1.0)
5
ELPIDA [ ELPIDA MEMORY ]
