EBD10RD4ABFB
Byte No. Function described
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Hex value Comments
Data input setup time before clock
34
0
1
0
1
0
0
0
0
50H
0.5ns*3
(tDS)
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*3
36 to 40
41
Superset information
Future use
65ns*3
Active command period (tRC)
Auto refresh to active/
Auto refresh command cycle (tRFC)
42
0
1
0
0
1
0
1
1
4BH
75ns*3
43
SDRAM tCK cycle max. (tCK max.)
0
0
0
0
0
1
0
0
1
0
0
0
1
0
0
0
1
1
1
0
1
1
1
0
0
1
1
1
1
0
1
1
1
0
0
1
1
1
1
0
0
0
0
0
0
0
1
1
1
0
0
0
1
0
0
1
1
1
1
0
0
1
0
0
0
0
1
1
1
0
0
0
1
0
0
1
1
1
0
0
30H
32H
75H
00H
00H
B5H
7FH
7FH
FEH
00H
12ns*3
500ps*3
750ps*3
Future use
Initial
44
Dout to DQS skew
45
Data hold skew (tQHS)
46 to 61
62
Superset information
SPD revision
63
Checksum for bytes 0 to 62
Manufacturer’s JEDEC ID code
Manufacturer’s JEDEC ID code
Manufacturer’s JEDEC ID code
Manufacturer’s JEDEC ID code
181
64
65
66
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
0
0
0
0
0
1
0
0
0
0
0
1
0
1
0
0
0
1
1
0
0
1
0
1
1
0
0
0
0
0
1
0
0
0
1
0
0
0
1
1
1
0
1
1
0
0
0
1
0
0
1
0
0
0
0
1
0
0
0
1
1
0
0
0
0
45H
42H
44H
31H
30H
52H
44H
34H
41H
42H
46H
42H
2DH
37H
42H
20H
30H
20H
E
74
B
75
D
76
1
77
0
78
R
79
D
80
4
81
A
82
B
83
F
84
B
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
2
95 to 98
Module serial number
*
99 to 127 Manufacturer specific data
Notes: 1. All serial PD data are not protected. 0: Serial data, “driven Low”, 1: Serial data, “driven High”.
2. Bytes 95 through 98 are assembly serial number.
3. These specifications are defined based on component specification, not module.
Preliminary Data Sheet E0400E10 (Ver. 1.0)
6
ELPIDA [ ELPIDA MEMORY ]
