參數(shù)資料
型號(hào)： EBD52UC8AKFA-5-E
廠商： Elpida Memory, Inc.
元件分類： 圓形連接器
英文描述： Circular Connector; No. of Contacts:55; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:16; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:16-35 RoHS Compliant: No
中文描述： 512MB的DDR SDRAM的內(nèi)存緩沖（6400字× 64位，2個(gè)等級(jí)）
文件頁數(shù)： 6/19頁
文件大小： 190K
代理商： EBD52UC8AKFA-5-E
EBD52UC8AKFA-5-E
Preliminary Data Sheet E0601E10 (Ver. 1.0)
6
Byte No.
Function described
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Hex value
Comments
32
Address and command setup time
before clock (tIS)
Address and command hold time after
clock (tIH)
Data input setup time before clock
(tDS)
0
1
1
0
0
0
0
0
60H
0.6ns
*1
33
0
1
1
0
0
0
0
0
60H
0.6ns
*1
34
0
1
0
0
0
0
0
0
40H
0.4ns
*1
35
Data input hold time after clock (tDH)
0
1
0
0
0
0
0
0
40H
0.4ns
*1
36 to 40
Superset information
0
0
0
0
0
0
0
0
00H
Future use
41
Active command period (tRC)
-5B
0
0
1
1
0
1
1
1
37H
55ns
*1
-5C
0
0
1
1
1
1
0
0
3CH
60ns
*1
42
Auto refresh to active/
Auto refresh command cycle (tRFC)
0
1
0
0
0
1
1
0
46H
70ns
*1
43
SDRAM tCK cycle max. (tCK max.)
0
0
1
0
0
0
0
0
20H
8ns
*1
44
Dout to DQS skew
0
0
1
0
1
0
0
0
28H
0.4ns
*1
45
Data hold skew (tQHS)
0
1
0
1
0
0
0
0
50H
0.5ns
*1
46 to 61
Superset information
0
0
0
0
0
0
0
0
00H
Future use
62
SPD Revision
0
0
0
0
0
0
0
0
00H
63
Checksum for bytes 0 to 62
-5B
-5C
0
1
0
1
1
1
1
1
5FH
0
1
1
1
1
1
0
0
7CH
64 to 65
Manufacturer’s JEDEC ID code
0
1
1
1
1
1
1
1
7FH
Continuation
code
66
Manufacturer’s JEDEC ID code
1
1
1
1
1
1
1
0
FEH
Elpida Memory
67 to 71
Manufacturer’s JEDEC ID code
0
0
0
0
0
0
0
0
00H
72
Manufacturing location
×
×
×
×
×
×
×
×
××
(ASCII-8bit
code)
73
Module part number
0
1
0
0
0
1
0
1
45H
E
74
Module part number
0
1
0
0
0
0
1
0
42H
B
75
Module part number
0
1
0
0
0
1
0
0
44H
D
76
Module part number
0
0
1
1
0
1
0
1
35H
5
77
Module part number
0
0
1
1
0
0
1
0
32H
2
78
Module part number
0
1
0
1
0
1
0
1
55H
U
79
Module part number
0
1
0
0
0
0
1
1
43H
C
80
Module part number
0
0
1
1
1
0
0
0
38H
8
81
Module part number
0
1
0
0
0
0
0
1
41H
A
82
Module part number
0
1
0
0
1
0
1
1
4BH
K
83
Module part number
0
1
0
0
0
1
1
0
46H
F
84
Module part number
0
1
0
0
0
0
0
1
41H
A
85
Module part number
0
0
1
0
1
1
0
1
2DH
—
86
Module part number
0
0
1
1
0
1
0
1
35H
5
87
Module part number
-5B
0
1
0
0
0
0
1
0
42H
B
-5C
0
1
0
0
0
0
1
1
43H
C
88
Module part number
0
0
1
0
1
1
0
1
2DH
—
89
Module part number
0
1
0
0
0
1
0
1
45H
E
90
Module part number
0
0
1
0
0
0
0
0
20H
(Space)
91
Revision code
0
0
1
1
0
0
0
0
30H
Initial
92
Revision code
0
0
1
0
0
0
0
0
20H
(Space)
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