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參數資料
| 型號： | KMM372V804BS |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 8Mx72 DRAM DIMM(8Mx72 動態 RAM模塊) |
| 中文描述： | 8Mx72的DRAM內存（8Mx72動態內存模塊） |
| 文件頁數： | 1/19頁 |
| 文件大小： | 384K |
| 代理商： | KMM372V804BS |
DRAM MODULE
KMM372V804BS
KMM372V804BS Fast Page Mode
8M x 72 DRAM DIMM with ECC Using 4Mx16 & 4Mx4, 4K Refresh, 3.3V
The Samsung KMM372V804B is a 8Mx72bits Dynamic RAM
high density memory module. The Samsung KMM372V804B
consists of eight 4Mx16bits & four 4Mx4bits CMOS DRAMs in
TSOP-II 400mil packages and two 16 bits driver IC in TSSOP
package mounted on a 168-pin glass-epoxy substrate. A 0.1
or 0.22uF decoupling capacitor is mounted on the printed cir-
cuit board for each DRAM. The KMM372V804B is a Dual In-
line Memory Module and is intended for mounting into 168 pin
edge connector sockets.
PERFORMANCE RANGE
t
RAC
t
CAC
GENERAL DESCRIPTION
PD Note :PD & ID Terminals must each be pulled up through a register to V
CC
at the next higher
level assembly. PDs will be either open (NC) or driven to V
SS
via on-board buffer circuits.
ID Note : IDs will be either open (NC) or connected directly to V
SS
without a buffer.
Part Identification
- KMM372V804BS(4096cycles/64ms Ref. TSOP ll)
Fast Page Mode Operation
CAS-before-RAS Refresh capability
RAS-only and Hidden refresh capability
LVTTL compatible inputs and outputs
Single 3.3V
±
0.3V power supply
JEDEC standard pinout & Buffered PDpin
Buffered input except RAS and DQ
PCB : Height(1000mil), double sided component
PIN NAMES
Pins marked
′
*
′
are not used in this module.
PD & ID Table
Pin Names
A0, B0, A1 - A11
DQ0 - DQ71
W0, W2
OE0, OE2
RAS0 - RAS3
CAS0, 1,4,5
V
CC
V
SS
NC
PDE
PD1 - 8
ID0 - 1
RSVD
RFU
Function
Address Input(4K ref.)
Data In/Out
Read/Write Enable
Output Enable
Row Address Strobe
Column Address Strobe
Power(+3.3V)
Ground
No Connection
Presence Detect Enable
Presence Detect
ID bit
Reserved Use
Reserved for Future Use
PD : 0 for Vol of Drive IC & 1 for N.C
ID : 0 for Vss & 1 for N.C
Pin
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PD8
ID0
ID1
50NS
0
0
1
1
0
0
0
0
0
0
60NS
0
0
1
1
0
1
1
0
0
0
PIN CONFIGURATIONS
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Front
V
SS
DQ0
DQ1
DQ2
DQ3
V
CC
DQ4
DQ5
DQ6
DQ7
DQ8
V
SS
DQ9
DQ10
DQ11
DQ12
DQ13
V
CC
DQ14
DQ15
DQ16
DQ17
V
SS
RSVD
RSVD
V
CC
W0
CAS0
Pin
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
Front
*CAS2
RAS0
OE0
V
SS
A0
A2
A4
A6
A8
A10
A12
V
CC
RFU
RFU
V
SS
OE2
RAS2
CAS4
*CAS6
W2
V
CC
RSVD
RSVD
DQ18
DQ19
V
SS
DQ20
DQ21
Pin
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
Front
DQ22
DQ23
V
CC
DQ24
RFU
RFU
RFU
RFU
DQ25
DQ26
DQ27
V
SS
DQ28
DQ29
DQ30
DQ31
V
CC
DQ32
DQ33
DQ34
DQ35
V
SS
PD1
PD3
PD5
PD7
ID0
V
CC
Pin
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
Back
V
SS
DQ36
DQ37
DQ38
DQ39
V
CC
DQ40
DQ41
DQ42
DQ43
DQ44
V
SS
DQ45
DQ46
DQ47
DQ48
DQ49
V
CC
DQ50
DQ51
DQ52
DQ53
V
SS
RSVD
RSVD
V
CC
RFU
CAS1
Pin
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
Back
*CAS3
RAS1
RFU
V
SS
A1
A3
A5
A7
A9
A11
*A13
V
CC
RFU
B0
V
SS
RFU
RAS3
CAS5
*CAS7
PDE
V
CC
RSVD
RSVD
DQ54
DQ55
V
SS
DQ56
DQ57
Pin
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
Back
DQ58
DQ59
V
CC
DQ60
RFU
RFU
RFU
RFU
DQ61
DQ62
DQ63
V
SS
DQ64
DQ65
DQ66
DQ67
V
CC
DQ68
DQ69
DQ70
DQ71
V
SS
PD2
PD4
PD6
PD8
ID1
V
CC
FEATURES
Speed
t
RC
t
PC
-5
50ns
18ns
90ns
35ns
-6
60ns
20ns
110ns
40ns
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