EBJ21UE8BFU0
-DJ
-GN
-GL
Byte No. Function described
Hex Comments
00h Not incorporated
00h Standard
Hex Comments
00h Not incorporated
00h Standard
Hex Comments
00h Not incorporated
00h Standard
32
33
Module thermal sensor
SDRAM device type
34 to 59 Reserved
00h
—
00h
—
00h —
60
61
62
Module nominal height
0Fh 29 < height ≤ 30mm 0Fh 29 < height ≤ 30mm 0Fh 29 < height ≤ 30mm
Module maximum thickness
11h Dual sides
11h Dual sides
11h Dual sides
Reference raw card used
25h Raw Card F1
25h Raw Card F1
25h Raw Card F1
Address mapping from edge
connector to DRAM
63
00h Standard
00h Standard
00h Standard
64 to 116 Reserved
00h
—
00h
—
00h —
Module ID: manufacturer’s JEDEC
117
118
02h Elpida Memory
FEh Elpida Memory
02h Elpida Memory
FEh Elpida Memory
02h Elpida Memory
FEh Elpida Memory
ID code, LSB
Module ID: manufacturer’s JEDEC
ID code, MSB
119
120
121
Module ID: manufacturing location
Module ID: manufacturing date
Module ID: manufacturing date
××
—
××
—
××
—
yy
Year code (BCD)
yy
Year code (BCD)
yy
Year code (BCD)
ww Week code (BCD) ww Week code (BCD) ww Week code (BCD)
122 to 125 Module ID: module serial number
××
—
—
—
E
××
—
—
××
—
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
Cyclical redundancy code (CRC)
Cyclical redundancy code (CRC)
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
Module part number
Module part number
Module revision code
Module revision code
F4h
7Fh
45h
42h
21h
DAh —
AAh —
A1h —
45h
42h
E
B
45h
42h
E
B
B
4Ah J
4Ah J
4Ah J
32h
31h
55h
45h
38h
42h
46h
55h
30h
2
32h
31h
55h
45h
38h
42h
46h
55h
30h
2
32h
31h
55h
45h
38h
42h
46h
55h
30h
2
1
1
1
U
E
8
U
E
8
U
E
8
B
F
U
0
B
F
U
0
B
F
U
0
2Dh —
44h
2Dh —
47h
2Dh —
47h
D
G
G
4Ah J
4Eh N
2Dh —
4Ch L
2Dh —
2Dh —
46h
F
46h
F
46h F
20h (Space)
30h Initial
20h (Space)
30h Initial
20h (Space)
30h Initial
20h (Space)
20h (Space)
20h (Space)
SDRAM manufacturer’s JEDEC
148
149
02h Elpida Memory
FEh Elpida Memory
02h Elpida Memory
FEh Elpida Memory
02h Elpida Memory
FEh Elpida Memory
ID code, LSB
SDRAM manufacturer’s JEDEC
ID code, MSB
150 to 175 Manufacturer's specific data
176 to 255 Open for customer use
00h
—
00h
—
00h —
Data Sheet E1642E30 (Ver. 3.0)
6
ELPIDA [ ELPIDA MEMORY ]
