EBD52UC8AMFA-5
Byte No. Function described
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Hex value
Comments
0.4ns*1
Data input setup time before clock
34
0
1
0
0
0
0
0
0
40H
(tDS)
35
Data input hold time after clock (tDH)
0
0
0
1
0
0
0
0
1
0
0
1
0
0
0
0
0
1
0
0
1
0
0
1
40H
00H
37H
0.4ns*1
36 to 40
41
Superset information
Future use
55ns*1
Active command period (tRC)
Auto refresh to active/
Auto refresh command cycle (tRFC)
42
0
1
0
0
0
1
1
0
46H
70ns*1
*1
43
SDRAM tCK cycle max. (tCK max.)
Dout to DQS skew
0
0
0
0
0
0
0
0
1
0
0
1
1
1
0
0
0
0
0
0
1
0
0
1
0
1
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
1
20H
28H
50H
00H
00H
5FH
8ns
44
0.4ns*1
0.5ns*1
45
Data hold skew (tQHS)
Superset information
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
1
0
0
1
0
0
0
0
0
1
0
1
1
0
1
0
0
0
1
1
0
1
1
0
0
0
0
0
1
0
0
1
0
1
0
0
0
1
0
0
0
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
4DH
46H
41H
2DH
35H
42H
20H
30H
20H
E
74
B
75
D
76
5
77
2
78
U
79
C
80
8
81
A
82
M
83
F
84
A
85
—
86
5
87
B
88 to 90
91
(Space)
Initial
(Space)
92
Revision code
Year code
(HEX)
93
Manufacturing date
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
××
××
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.
Preliminary Data Sheet E0455E10 (Ver. 1.0)
6
ELPIDA [ ELPIDA MEMORY ]
