MT8LD864A Micron Technology, MT8LD864A Datasheet
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MT8LD864A
Manufacturer Part Number
MT8LD864A
Description
DRAM MODULE
Manufacturer
Micron Technology
Datasheet
1.MT8LD864A.pdf
(27 pages)
DRAM
MODULE
FEATURES
• Eight-CAS# ECC pinout in a 168-pin, dual in-line
• 64MB (8 Meg x 64), 128MB (16 Meg x 64), and
• Nonbuffered
• High-performance CMOS silicon-gate process
• Single +3.3V ±0.3V power supply
• All inputs, outputs and clocks are LVTTL-
• 4,096-cycle CAS#-BEFORE-RAS# (CBR) refresh
• Extended Data-Out (EDO) PAGE MODE access cycle
• Serial presence-detect (SPD)
OPTIONS
• Package
• Timing
• Access Cycle
KEY TIMING PARAMETERS
PART NUMBERS
*Contact factory for availability
NOTE:
8, 16, 32 Meg x 64 Nonbuffered DRAM DIMMs
DM78.p65 – Rev. 2/99
SPEED
PART NUMBER
MT8LD864AG-5 X
MT8LD864AG-6 X
MT16LD1664AG-5 X
MT16LD1664AG-6 X
MT32LD3264AG-5 X*
MT32LD3264AG-6 X*
memory module (DIMM)
256MB (32 Meg x 64)
compatible
distributed across 64ms
168-pin DIMM (gold)
50ns access
60ns access
EDO PAGE MODE
-5
-6
Pin symbols in parentheses are not used on these modules but
may be used for other modules in this product family. They are
for reference only.
104ns
84ns
t
RC
t
50ns
60ns
RAC
CONFIGURATION
20ns
25ns
t
PC
16 Meg x 64
16 Meg x 64
32 Meg x 64
32 Meg x 64
8 Meg x 64
8 Meg x 64
25ns
30ns
t
AA
t
13ns
15ns
CAC
MARKING
SPEED
50ns
60ns
50ns
60ns
50ns
60ns
-5
-6
G
X
t
10ns
CAS
8ns
1
MT8LD864A X, MT16LD1664A X,
MT32LD3264A X
For the latest data sheet, please refer to the Micron Web
site:
** 256MB version only
PIN SYMBOL PIN SYMBOL PIN SYMBOL PIN SYMBOL
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
1
2
3
4
5
6
7
8
9
www.micronsemi.com/datasheets/datasheet.html
NONBUFFERED DRAM DIMMs
NC (A12)
PIN ASSIGNMENT (Front View)
CAS0#
CAS1#
RAS0#
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
WE0#
OE0#
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
DQ9
RFU
V
V
V
A10
V
V
V
V
NC
NC
V
NC
NC
V
A0
A2
A4
A6
A8
Micron Technology, Inc., reserves the right to change products or specifications without notice.
DD
DD
DD
DD
DD
SS
SS
SS
SS
43
44
45
46
47
48
49
50
51
52
53
54
55
56
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
168-Pin DIMM
(H-17; 128MB)
(H-30; 256MB)
(H-14; 64MB)
RAS2#
CAS2#
CAS3#
WE2#
DQ16
DQ17
DQ18
DQ19
DQ20
DQ21
DQ22
DQ23
DQ24
DQ25
DQ26
DQ27
DQ28
DQ29
DQ30
DQ31
OE2#
SDA
RFU
V
V
V
SCL
V
V
NC
NC
NC
NC
V
NC
NC
V
V
V
NC
NC
NC
8, 16, 32 MEG x 64
DD
DD
DD
DD
SS
SS
SS
SS
SS
Micron is a registered trademark of Micron Technology, Inc.
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114 NC/RAS1#**
115
116
117
118
119
120
121
122
123
124
125
126
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
NC (A13)
CAS4#
CAS5#
DQ32
DQ33
DQ34
DQ35
DQ36
DQ37
DQ38
DQ39
DQ40
DQ41
DQ42
DQ43
DQ44
DQ45
DQ46
DQ47
RFU
RFU
RFU
RFU
A11
V
V
V
V
V
V
NC
NC
V
NC
NC
V
A1
A3
A5
A7
A9
DD
DD
DD
DD
SS
SS
SS
SS
©1999, Micron Technology, Inc.
127
128
129 NC/RAS3#**
130
131
132
133
134
135
136
137
138
139
140
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
CAS6#
CAS7#
DQ48
DQ49
DQ50
DQ51
DQ52
DQ53
DQ54
DQ55
DQ56
DQ57
DQ58
DQ59
DQ60
DQ61
DQ62
DQ63
RFU
RFU
RFU
SA0
SA1
SA2
V
V
V
V
V
NC
NC
NC
NC
V
NC
NC
V
V
V
NC
NC
DD
DD
DD
DD
SS
SS
SS
SS
SS