EBE21UE8ABFA
Byte No. Function described
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Hex value Comments
Auto refresh to active/
42
0
1
0
1
0
0
1
0
0
1
0
1
1
0
0
1
0
1
1
0
0
1
0
0
7FH
80H
14H
127.5ns*1
8ns*1
Auto refresh command cycle (tRFC)
43
44
SDRAM tCK cycle max. (tCK max.)
Dout to DQS skew
-8E
0.20ns*1
-6E
-5C
-4A
0
0
0
0
0
0
0
0
1
1
1
0
1
1
0
0
1
0
0
1
1
0
0
1
18H
1EH
23H
0.24ns*1
0.30ns*1
0.35ns*1
Data hold skew (tQHS)
-8E
45
0
0
0
1
1
1
1
0
1EH
0.30ns*1
-6E
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
1
0
1
1
0
0
0
0
0
1
0
0
0
1
0
0
0
0
1
0
0
1
0
0
0
22H
28H
2DH
00H
00H
12H
0.34ns*1
0.40ns*1
0.45ns*1
Undefined
-5C
-4A
46
PLL relock time
47 to 61
62
SPD Revision
Rev. 1.2
Checksum for bytes 0 to 62
-8E
63
1
1
1
1
1
0
0
1
F9H
-6E
-5C
-4A
0
0
1
0
1
1
0
0
0
1
1
1
0
0
0
0
1
0
1
1
0
1
1
1
13H
57H
D1H
Continuation
code
64 to 65
Manufacturer’s JEDEC ID code
0
1
1
1
1
1
1
1
7FH
66
Manufacturer’s JEDEC ID code
Manufacturer’s JEDEC ID code
Manufacturing location
Module part number
Module part number
Module part number
Module part number
Module part number
Module part number
Module part number
Module part number
Module part number
Module part number
Module part number
Module part number
Module part number
1
0
×
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
×
1
1
1
0
0
1
1
0
1
1
1
1
0
1
0
×
0
0
0
1
1
0
0
1
0
0
0
0
1
1
0
×
0
0
0
1
1
1
0
1
0
0
0
0
0
1
0
×
0
0
0
0
0
0
0
1
0
0
0
0
1
1
0
×
1
0
1
0
0
1
1
0
0
0
1
0
1
1
0
×
0
1
0
1
0
0
0
0
0
1
1
0
0
0
0
×
1
0
1
0
1
1
1
0
1
0
0
1
1
FEH
00H
××
Elpida Memory
67 to 71
72
(ASCII-8bit code)
73
45H
42H
45H
32H
31H
55H
45H
38H
41H
42H
46H
41H
2DH
E
B
E
2
74
75
76
77
1
78
U
E
8
79
80
81
A
B
F
A
—
82
83
84
85
Module part number
-8E
86
0
0
1
1
1
0
0
0
38H
8
-6E
-5C
-4A
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
1
1
1
1
0
0
0
1
0
36H
35H
34H
6
5
4
Preliminary Data Sheet E0906E10 (Ver. 1.0)
7
ELPIDA [ ELPIDA MEMORY ]
