EBE21AE8ACWA データシートの表示（PDF） - Elpida Memory, Inc
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EBE21AE8ACWA Datasheet PDF : 27 Pages
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EBE21AE8ACWA
Byte No.
34
35
36
37
38
39
40
41
42
43
44
45
46
47 to 61
62
63
64 to 65
66
67 to 71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
Function described
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Hex value
Data input setup time before clock
(tDS)
0 0 0 1 0 0 0 0 10H
Data input hold time after clock (tDH) 0 0 0 1 0 1 1 1 17H
Write recovery time (tWR)
0 0 1 1 1 1 0 0 3CH
Internal write to read command delay
(tWTR)
0
0
0
1
1
1
1
0
1EH
Internal read to precharge command
delay (tRTP)
0
0
0
1
1
1
1
0
1EH
Memory analysis probe characteristics 0 0 0 0 0 0 0 0 00H
Extension of Byte 41 and 42
0 0 0 0 0 1 1 0 06H
Active command period (tRC)
0 0 1 1 1 1 0 0 3CH
Auto refresh to active/
Auto refresh command cycle (tRFC)
0
1
1
1
1
1
1
1
7FH
SDRAM tCK cycle max. (tCK max.) 1 0 0 0 0 0 0 0 80H
Dout to DQS skew
0 0 0 1 1 0 0 0 18H
Data hold skew (tQHS)
0 0 1 0 0 0 1 0 22H
PLL relock time
0 0 0 0 1 1 1 1 0FH
0 0 0 0 0 0 0 0 00H
SPD Revision
0 0 0 1 0 0 1 0 12H
Checksum for bytes 0 to 62
0 0 1 1 0 1 1 1 37H
Manufacturer’s JEDEC ID code
0 1 1 1 1 1 1 1 7FH
Manufacturer’s JEDEC ID code
Manufacturer’s JEDEC ID code
1 1 1 1 1 1 1 0 FEH
0 0 0 0 0 0 0 0 00H
Manufacturing location
× × × × × × × × ××
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
Revision code
Revision code
0 1 0 0 0 1 0 1 45H
0 1 0 0 0 0 1 0 42H
0 1 0 0 0 1 0 1 45H
0 0 1 1 0 0 1 0 32H
0 0 1 1 0 0 0 1 31H
0 1 0 0 0 0 0 1 41H
0 1 0 0 0 1 0 1 45H
0 0 1 1 1 0 0 0 38H
0 1 0 0 0 0 0 1 41H
0 1 0 0 0 0 1 1 43H
0 1 0 1 0 1 1 1 57H
0 1 0 0 0 0 0 1 41H
0 0 1 0 1 1 0 1 2DH
0 0 1 1 0 1 1 0 36H
0 1 0 0 0 1 0 1 45H
0 0 1 0 1 1 0 1 2DH
0 1 0 0 0 1 0 1 45H
0 0 1 0 0 0 0 0 20H
0 0 1 1 0 0 0 0 30H
0 0 1 0 0 0 0 0 20H
Comments
0.10ns*1
0.17ns*1
15ns*1
7.5ns*1
7.5ns*1
TBD
60ns*1
127.5ns*1
8ns*1
0.24ns*1
0.34ns*1
15µs
Rev. 1.2
Continuation
code
Elpida Memory
(ASCII-8bit
code)
E
B
E
2
1
A
E
8
A
C
W
A
—
6
E
—
E
(Space)
Initial
(Space)
Data Sheet E1396E10 (Ver. 1.0)
6
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