EBD52UC8AAFA
Byte No. Function described
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Hex value
Comments
0.5ns*1
Data input setup time before clock
(tDS)
34
0
1
0
1
0
0
0
0
50H
35
Data input hold time after clock (tDH)
0
0
0
1
0
1
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
50H
00H
41H
0.5ns*1
36 to 40
41
Superset information
Future use
65ns*1
Active command period (tRC)
Auto refresh to active/
42
0
1
0
0
1
0
1
1
4BH
75ns*1
Auto refresh command cycle (tRFC)
43
SDRAM tCK cycle max. (tCK max.)
0
0
0
0
0
1
0
0
1
0
0
1
1
1
1
0
0
1
1
1
1
0
0
0
1
0
0
0
0
1
1
0
1
0
0
1
0
1
0
0
0
1
0
0
1
0
0
1
3CH
32H
75H
00H
00H
EFH
15ns*1
44
Dout to DQS skew
0.5ns*1
45
Data hold skew (tQHS)
Superset information
0.75ns*1
46 to 61
62
Future use
SPD Revision
63
Checksum for bytes 0 to 62
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
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
0
FEH
00H
Elpida Memory
67 to 71
(ASCII-8bit
code)
72
Manufacturing location
×
×
×
×
×
×
×
×
××
73
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
Module part number
Module part number
Module part number
Revision code
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
1
1
0
1
1
1
1
0
0
1
0
0
0
0
0
0
1
1
0
0
1
0
0
0
0
1
1
0
1
1
1
0
0
0
1
1
1
0
1
0
0
0
0
0
1
0
0
1
0
0
0
0
0
0
0
0
1
0
0
0
0
1
0
0
0
0
0
1
0
1
1
0
1
0
0
0
0
1
0
1
1
0
0
0
0
0
1
0
0
1
0
1
0
0
0
1
0
0
1
1
0
0
0
1
0
0
1
0
1
1
0
1
1
0
1
1
1
0
0
0
0
45H
42H
44H
35H
32H
55H
43H
38H
41H
41H
46H
41H
2DH
37H
42H
20H
30H
20H
E
74
B
75
D
76
5
77
2
78
U
79
C
80
8
81
A
82
A
83
F
84
A
85
—
86
7
87
B
88 to 90
91
(Space)
Initial
(Space)
92
Revision code
Year code
93
Manufacturing date
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
××
××
(HEX)
Week code
(HEX)
94
Manufacturing date
95 to 98
Module serial number
99 to 127 Manufacture specific data
Note: 1.These specifications are defined based on component specification, not module.
Data Sheet E0362E20 (Ver. 2.0)
6
ELPIDA [ ELPIDA MEMORY ]
