MOSEL VITELIC
V437464Q24V
3.3VOLT64Mx72HIGHPERFORMANCE
UNBUFFERED ECC SDRAM MODULE
PRELIMINARY
Features
■ 168 Pin Unbuffered ECC 67,108,864 x 72 bit
Oganization SDRAM Modules
■ Utilizes High Performance 64M x 4 SDRAM in
TSOPII-54 Packages
■ Fully PC Board Layout Compatible to INTEL’S
Rev 1.2 Module Specification
■ Single +3.3V (± 0.3V) Power Supply
■ Programmable CAS
Wrap Sequence (Sequential & Interleave)
■ Auto Refresh (CBR) and Self Refresh
■ All Inputs, Outputs are LVTTL Compatible
■ 8192 Refresh Cycles every 64 ms
■ Serial Present Detect (SPD)
Part Number
V437464Q24VXTG-75PC -75PC, CL=3,2
V437464Q24VXTG-75 -75, CL=3
V437464Q24VXTG-10PC -10PC, CL=3,2
Latency, Burst Length, and
Speed
Grade Configuration
64M x 72
(133 MHz)
64M x 72
(133 MHz)
64M x 72
(100 MHz)
Description
The V437464Q24V memory module is organized
67,108,864 x 72 bits in a 168 pin dual in line
memory module (DIMM). The 64M x 72 unbuffered
DIMM uses 18 Mosel-Vitelic 64M x 4 ECC SDRAM.
The x72 unbuffered modules are ideal f or use in
high performance computer systems where
increased memory density and fast access times
are required.
V437464Q24V Rev. 1.0 January2002
1
MOSEL VITELIC
V437464Q24V
Pin Configurations (Front Side/Back Side)
Pin Front Pin Front Pin Front Pin Back Pin Back Pin Back
DQM5
CS1
RAS
VSS
A1
A3
A5
A7
A9
BA0
A11
VCC
CLK1*
A12
VSS
CKE0
CS3
DQM6
DQM7
DU
VCC
NC
NC
CB6
CB7
VSS
I/O49
I/O50
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
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
VSS
I/O1
I/O2
I/O3
I/O4
VCC
I/O5
I/O6
I/O7
I/O8
I/O9
VSS
I/O10
I/O11
I/O12
I/O13
I/O14
VCC
I/O15
I/O16
CBO
CB1
VSS
NC
NC
VCC
WE
DQM0
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
DQM1
CS0
DU
VSS
A0
A2
A4
A6
A8
A10(AP)
BA1
VCC
VCC
CLK0
VSS
DU
CS2
DQM2
DQM3
DU
VCC
NC
NC
CB2
CB3
VSS
I/O17
I/O18
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
I/O19
I/O20
VCC
I/O21
NC
DU
CKE1*
VSS
I/O22
I/O23
I/O24
VSS
I/O25
I/O26
I/O27
I/O28
VCC
I/O29
I/O30
I/O31
I/O32
VSS
CLK2*
NC
WP
SDA
SCL
VCC
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
VSS
I/O33
I/O34
I/O35
I/O36
VCC
I/O37
I/O38
I/O39
I/O40
I/O41
VSS
I/O42
I/O43
I/O44
I/O45
I/O46
VCC
I/O47
I/O48
CB4
CB5
VSS
NC
NC
VCC
CAS
DQM4
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
I/O51
I/O52
VCC
I/O53
NC
DU
REGE
VSS
I/O54
I/O55
I/O56
VSS
I/O57
I/O58
I/O59
I/O60
VCC
I/O61
I/O62
I/O63
I/O64
VSS
CLK3*
NC
SA0
SA1
SA2
VCC
Notes:
*.
Pin Names
A0–A11 Address Inputs
I/O1–I/O64 Data Inputs/Outputs
RAS
CAS
WE
BA0, BA1 Bank Selects
CKE0
0,CS2 Chip Select
CS
CLK0–CLK3 Clock Input
DQM0–DQM7 Data Mask
VCC Power (+3.3 Volts)
VSS Ground
SCL Clock for Presence Detect
Row Address Strobe
Column Address Strobe
Read/Write Input
Clock Enable
SDA Serial Data OUT for Presence
Detect
SA0–A2 Serial Data IN for Presence
Detect
CB0–CB4 Check Bits (x72 Organization)
NC No Connection
REGE Register Enable
DU Don’t Use
V437464Q24V Rev. 1.0 January 2002
2
MOSEL VITELIC
Module Part Number Information
V437464Q24V
MOSEL VITELIC
MANUFACTURED
V 4 3 74 64 Q 2 4 V X T G -XX
SPEED
75PC = PC133 CL3,2
75 = PC133 CL3
SDRAM
3.3V
WIDTH
DEPTH
168 PIN Unbuffered
DIMM X4 COMPONENT
REFRESH
RATE 8K
4 BANKS
LEAD FINISH
COMPONENT
PACKAGE, T = TSOP
COMPONENT A=0.17u B=0.14u
REV LEVEL
LVTTL
10PC = PC100 CL3,2
G=GOLD
V437464Q24V Rev. 1.0 January 2002
3
MOSEL VITELIC
Block Diagram
CS0
V437464Q24V
DQM0
I/O1–I/O4
I/O5–I/O8
DQM1
I/O9–I/O12
I/O13–I/O16
CB1–CB3
CS2
10
10
10
10
10
CS
DQM
I/O1–I/O4
CS
DQM
I/O1–I/O4
CS
DQM
I/O1–I/O4
CS
DQM
I/O1–I/O4
CS
DQM
I/O1–I/O4
I/O33–I/O36
D0
I/O37–I/O40
D1
I/O41–I/O44
D2
I/O45–I/O48
D3
D4
DQM4
DQM5
CB4–CB7
10
10
10
10
10
CS
DQM
I/O1–I/O4
CS
DQM
I/O1–I/O4
CS
DQM
I/O1–I/O4
CS
DQM
I/O1–I/O4
CS
DQM
I/O1–I/O4
D9
D10
D11
D12
D13
RAS
CAS
WE
CKE0
DQM0–DQM7
D0–D17
D0–D17
D0–D17
D0–D17
D0–D17
DQM2
I/O17–I/O20
DQM
I/O1–I/O4
10
DQM
I/O21–I/O24
I/O1–I/O4
10
DQM3
I/O25–I/O28
DQM
I/O1–I/O4
10
DQM
I/O29–I/O32
I/O1–I/O4
10
V437464Q24V Rev. 1.0 January 2002
CS
CS
CS
CS
I/O49–I/O52
D5
I/O53–I/O56
D6
I/O57–I/O60
D7
I/O61–I/O64
D8
DQM6
DQM7
10
10
10
10
4
CS
DQM
I/O1–I/O4
CS
DQM
I/O1–I/O4
CS
DQM
I/O1–I/O4
CS
DQM
I/O1–I/O4
D14
D15
D16
D17
CS0, CS
A0–A12
BA0, BA1
CLK1–CLK3
CLK0
D0–D17
D0–D17
D0–D17
10K
12pF
D0–D17