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EBJ41HE4BAFA Scheda tecnica(PDF) 6 Page - Elpida Memory

Il numero della parte EBJ41HE4BAFA
Spiegazioni elettronici  4GB Registered DDR3 SDRAM DIMM
PDF  21 Pages
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Produttore elettronici  ELPIDA [Elpida Memory]
Homepage  http://www.elpida.com/en
Logo ELPIDA - Elpida Memory

EBJ41HE4BAFA Scheda tecnica(HTML) 6 Page - Elpida Memory

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EBJ41HE4BAFA
Data Sheet E1256E40 (Ver. 4.0)
6
Serial PD Matrix
Byte No. Function described
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Hex
value
Comments
0
Number of serial PD bytes written/SPD
device size/CRC coverage
1
0
0
1
0
0
1
0
92H
176/256/0-116
1
SPD revision
0
0
0
1
0
0
0
0
10H
Revision 1.0
2
Key byte/DRAM device type
0
0
0
0
1
0
1
1
0BH
DDR3 SDRAM
3
Key byte/module type
0
0
0
0
0
0
0
1
01H
Registered
4
SDRAM density and banks
0
0
0
0
0
0
1
0
02H
1G bits, 8 banks
5
SDRAM addressing
0
0
0
1
0
0
1
0
12H
14 rows, 11 columns
6
Module nominal voltage, VDD
0
0
0
0
0
0
0
0
00H
1.5V
7
Module organization
0
0
0
0
1
0
0
0
08H
2 ranks/
×4 bits
8
Module memory bus width
0
0
0
0
1
0
1
1
0BH
72 bits / ECC
9
Fine timebase (FTB) dividend/divisor
0
1
0
1
0
0
1
0
52H
5 / 2
10
Medium timebase (MTB) dividend
0
0
0
0
0
0
0
1
01H
1
11
Medium timebase (MTB) divisor
0
0
0
0
1
0
0
0
08H
8
12
SDRAM minimum cycle time
(tCK (min.))
-DJ
0
0
0
0
1
1
0
0
0CH
1.5ns
-AE
0
0
0
0
1
1
1
1
0FH
1.875ns
-8C
0
0
0
1
0
1
0
0
14H
2.5ns
13
Reserved
0
0
0
0
0
0
0
0
00H
—
14
SDRAM /CAS latencies supported, LSB
-DJ
0
0
1
1
1
1
0
0
3CH
CL = 6, 7, 8, 9
-AE
0
0
0
1
1
1
0
0
1CH
CL = 6, 7, 8
-8C
0
0
0
0
0
1
0
0
04H
CL = 6
15
SDRAM /CAS latencies supported, MSB
0
0
0
0
0
0
0
0
00H
—
16
SDRAM minimum /CAS latencies time
(tAA (min.))
-DJ, -AE
0
1
1
0
1
0
0
1
69H
13.125ns
-8C
0
1
1
1
1
0
0
0
78H
15ns
17
SDRAM write recovery time (tWR)
0
1
1
1
1
0
0
0
78H
15ns
18
SDRAM minimum /RAS to /CAS delay
(tRCD)
-DJ, -AE
0
1
1
0
1
0
0
1
69H
13.125ns
-8C
0
1
1
1
1
0
0
0
78H
15ns
19
SDRAM minimum row active to row active
delay (tRRD)
-DJ
0
0
1
1
0
0
0
0
30H
6ns
-AE
0
0
1
1
1
1
0
0
3CH
7.5ns
-8C
0
1
0
1
0
0
0
0
50H
10ns
20
SDRAM minimum row precharge time
(tRP)
-DJ, -AE
0
1
1
0
1
0
0
1
69H
13.125ns
-8C
0
1
1
1
1
0
0
0
78H
15ns



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