MT32LD3264A Datasheet, PDF (1/27 Pages) Micron Technology – DRAM MODULE

DRAM
MODULE
8, 16, 32 MEG x 64
NONBUFFERED DRAM DIMMs
MT8LD864A X, MT16LD1664A X,
MT32LD3264A X
For the latest data sheet, please refer to the Micron Web
site: www.micronsemi.com/datasheets/datasheet.html
FEATURES
• Eight-CAS# ECC pinout in a 168-pin, dual in-line
memory module (DIMM)
• 64MB (8 Meg x 64), 128MB (16 Meg x 64), and
256MB (32 Meg x 64)
• Nonbuffered
• High-performance CMOS silicon-gate process
• Single +3.3V ±0.3V power supply
• All inputs, outputs and clocks are LVTTL-
compatible
• 4,096-cycle CAS#-BEFORE-RAS# (CBR) refresh
distributed across 64ms
• Extended Data-Out (EDO) PAGE MODE access cycle
• Serial presence-detect (SPD)
OPTIONS
• Package
168-pin DIMM (gold)
MARKING
G
• Timing
50ns access
-5
60ns access
-6
• Access Cycle
EDO PAGE MODE
X
KEY TIMING PARAMETERS
SPEED
-5
-6
t_RC
84ns
104ns
t_RAC
50ns
60ns
t_PC
20ns
25ns
t_AA
25ns
30ns
t_CAC
13ns
15ns
t_CAS
8ns
10ns
PART NUMBERS
PART NUMBER
MT8LD864AG-5 X
MT8LD864AG-6 X
MT16LD1664AG-5 X
MT16LD1664AG-6 X
MT32LD3264AG-5 X*
MT32LD3264AG-6 X*
CONFIGURATION
8 Meg x 64
8 Meg x 64
16 Meg x 64
16 Meg x 64
32 Meg x 64
32 Meg x 64
SPEED
50ns
60ns
50ns
60ns
50ns
60ns
*Contact factory for availability
NOTE: 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.
PIN ASSIGNMENT (Front View)
168-Pin DIMM
(H-14; 64MB)
(H-17; 128MB)
(H-30; 256MB)
PIN SYMBOL PIN
1
VSS
43
2
DQ0 44
3
DQ1 45
4
DQ2 46
5
DQ3 47
6
VDD
48
7
DQ4 49
8
DQ5 50
9
DQ6 51
10 DQ7 52
11 DQ8 53
12
VSS
54
13 DQ9 55
14 DQ10 56
15 DQ11 57
16 DQ12 58
17 DQ13 59
18
VDD
60
19 DQ14 61
20 DQ15 62
21
NC
63
22
NC
64
23
VSS
65
24
NC
66
25
NC
67
26
VDD
68
27 WE0# 69
28 CAS0# 70
29 CAS1# 71
30 RAS0# 72
31 OE0# 73
32
VSS
74
33
A0
75
34
A2
76
35
A4
77
36
A6
78
37
A8
79
38
A10
80
39 NC (A12) 81
40
VDD
82
41
VDD
83
42
RFU
84
** 256MB version only
SYMBOL
VSS
OE2#
RAS2#
CAS2#
CAS3#
WE2#
VDD
NC
NC
NC
NC
VSS
DQ16
DQ17
DQ18
DQ19
VDD
DQ20
NC
RFU
NC
VSS
DQ21
DQ22
DQ23
VSS
DQ24
DQ25
DQ26
DQ27
VDD
DQ28
DQ29
DQ30
DQ31
VSS
NC
NC
NC
SDA
SCL
VDD
PIN SYMBOL PIN SYMBOL
85
VSS
127
VSS
86 DQ32 128 RFU
87 DQ33 129 NC/RAS3#**
88 DQ34 130 CAS6#
89 DQ35 131 CAS7#
90
VDD
132
RFU
91 DQ36 133 VDD
92 DQ37 134 NC
93 DQ38 135 NC
94 DQ39 136 NC
95 DQ40 137 NC
96
VSS
138
VSS
97 DQ41 139 DQ48
98 DQ42 140 DQ49
99 DQ43 141 DQ50
100 DQ44 142 DQ51
101 DQ45 143 VDD
102
VDD
144 DQ52
103 DQ46 145 NC
104 DQ47 146 RFU
105 NC 147 NC
106
NC
148
VSS
107
VSS
149 DQ53
108
NC
150 DQ54
109
NC
151 DQ55
110
VDD
152
VSS
111 RFU 153 DQ56
112 CAS4# 154 DQ57
113 CAS5# 155 DQ58
114 NC/RAS1#** 156 DQ59
115
RFU
157
VDD
116
VSS
158 DQ60
117
A1
159 DQ61
118
A3
160 DQ62
119
A5
161 DQ63
120
A7
162
VSS
121
A9
163
NC
122 A11 164 NC
123 NC (A13) 165 SA0
124
VDD
166
SA1
125 RFU 167 SA2
126
RFU
168
VDD
8, 16, 32 Meg x 64 Nonbuffered DRAM DIMMs
DM78.p65 – Rev. 2/99
1
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©1999, Micron Technology, Inc.
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