參數(shù)資料
型號: HYMR1848-745
廠商: HYNIX SEMICONDUCTOR INC
元件分類: DRAM
英文描述: 48M X 18 RAMBUS MODULE, DMA84
封裝: RIMM-184
文件頁數(shù): 6/10頁
文件大小: 112K
代理商: HYMR1848-745
Preliminary
Page 5
HYMR1648/1848 Series
Functional Diagram
D
Q
A
8
D
Q
A
7
D
Q
A
6
D
Q
A
5
D
Q
A
4
D
Q
A
3
D
Q
A
2
D
Q
A
1
D
Q
A
0
C
F
M
C
F
M
N
C
T
M
C
T
M
N
R
O
W
2
R
O
W
1
R
O
W
0
C
O
L
4
C
O
L
3
C
O
L
2
C
O
L
1
C
O
L
0
D
Q
B
0
D
Q
B
1
D
Q
B
2
D
Q
B
3
D
Q
B
4
D
Q
B
5
D
Q
B
6
D
Q
B
7
D
Q
B
8
SIO0
SIO1
SCK
CMD
Vref
Direct RDRAM (64/72Mb)
R
D
Q
A
8
R
D
Q
A
7
R
D
Q
A
6
R
D
Q
A
5
R
D
Q
A
4
R
D
Q
A
3
R
D
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A
2
R
D
Q
A
1
R
D
Q
A
0
R
C
F
M
R
C
F
M
N
R
C
T
M
R
C
T
M
N
R
O
W
2
R
O
W
1
R
O
W
0
R
C
O
L
4
R
C
O
L
3
R
C
O
L
2
R
C
O
L
1
R
C
O
L
0
R
D
Q
B
0
R
D
Q
B
1
R
D
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B
2
R
D
Q
B
3
R
D
Q
B
4
R
D
Q
B
5
R
D
Q
B
6
R
D
Q
B
7
R
D
Q
B
8
L
D
Q
A
8
L
D
Q
A
7
L
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A
6
L
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A
5
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A
4
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D
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A
3
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A
2
L
D
Q
A
1
L
D
Q
A
0
L
C
F
M
L
C
F
M
N
L
C
T
M
L
C
T
M
N
L
R
O
W
2
L
R
O
W
1
L
R
O
W
0
L
C
O
L
4
L
C
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L
3
L
C
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2
L
C
O
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1
L
C
O
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0
L
D
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B
0
L
D
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B
1
L
D
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B
2
L
D
Q
B
3
L
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B
4
L
D
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B
5
L
D
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B
6
L
D
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B
7
L
D
Q
B
8
U1
U2
U3
U12
.
S
IN
L
S
C
K
L
C
M
D
V
R
E
F
S
O
U
T
R
S
C
K
R
C
M
D
Vdd
Gnd
2 per
RDRAM
SCL
SDA
A0 A1
SCL
SA0
SA1
SDA
Serial Presence Detect
Note 1: Rambus Channel signals form a loop through
the RIMM module, with the exception of the SIO chain.
D
Q
A
8
D
Q
A
7
D
Q
A
6
D
Q
A
5
D
Q
A
4
D
Q
A
3
D
Q
A
2
D
Q
A
1
D
Q
A
0
C
F
M
C
F
M
N
C
T
M
C
T
M
N
R
O
W
2
R
O
W
1
R
O
W
0
C
O
L
4
C
O
L
3
C
O
L
2
C
O
L
1
C
O
L
0
D
Q
B
0
D
Q
B
1
D
Q
B
2
D
Q
B
3
D
Q
B
4
D
Q
B
5
D
Q
B
6
D
Q
B
7
D
Q
B
8
SIO0
SIO1
SCK
CMD
Vref
Direct RDRAM (64/72Mb)
D
Q
A
8
D
Q
A
7
D
Q
A
6
D
Q
A
5
D
Q
A
4
D
Q
A
3
D
Q
A
2
D
Q
A
1
D
Q
A
0
C
F
M
C
F
M
N
C
T
M
C
T
M
N
R
O
W
2
R
O
W
1
R
O
W
0
C
O
L
4
C
O
L
3
C
O
L
2
C
O
L
1
C
O
L
0
D
Q
B
0
D
Q
B
1
D
Q
B
2
D
Q
B
3
D
Q
B
4
D
Q
B
5
D
Q
B
6
D
Q
B
7
D
Q
B
8
SIO0
SIO1
SCK
CMD
Vref
Direct RDRAM (64/72Mb)
D
Q
A
8
D
Q
A
7
D
Q
A
6
D
Q
A
5
D
Q
A
4
D
Q
A
3
D
Q
A
2
D
Q
A
1
D
Q
A
0
C
F
M
C
F
M
N
C
T
M
C
T
M
N
R
O
W
2
R
O
W
1
R
O
W
0
C
O
L
4
C
O
L
3
C
O
L
2
C
O
L
1
C
O
L
0
D
Q
B
0
D
Q
B
1
D
Q
B
2
D
Q
B
3
D
Q
B
4
D
Q
B
5
D
Q
B
6
D
Q
B
7
D
Q
B
8
SIO0
SIO1
SCK
CMD
Vref
Direct RDRAM (64/72Mb)
VREF
Gnd
1 per
2 RDRAMs
VCMOS
Gnd
1 per
2 RDRAMs
A2
SA2
WP
SWP
U0
Vcc
SVDD
0.1
F
0.1
F
0.1
F
SVDD
Gnd
0.1
F
.
Plus one
Near Connector
47K Ohm
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