ADVANCE
4, 8 MEG x 32
DRAM SODIMMs
SMALL-OUTLINE
DRAM MODULE
FEATURES
• JEDEC pinout in a 72-pin, small-outline, dual in-
line memory module (SODIMM)
• 16MB (4 Meg x 32) and 32MB (8 Meg x 32)
• High-performance CMOS silicon-gate process
• Single +3.3V ±0.3V power supply
• All inputs, outputs and clocks are TTL-compatible
• 4,096-cycle CAS#-BEFORE-RAS# (CBR) refresh
distributed across 64ms
• FAST PAGE MODE (FPM) or Extended Data-Out
(EDO) PAGE MODE access cycles
• Optional self refresh (S) for low-power data retention
MT2LDT432H (X)(S), MT4LDT832H (X)(S)
For the latest data sheet, please refer to the Micron Web
site:
PIN ASSIGNMENT (Front View)
72-Pin Small-Outline DIMM
1
OPTIONS
• Package
72-pin SODIMM (gold)
• Timing
50ns access
60ns access
• Access Cycles
FAST PAGE MODE
EDO PAGE MODE
• Refresh Rates
Standard Refresh
Self Refresh (128ms period)
MARKING
G
-5
-6
None
X
None
S
PIN
FRONT
PIN
1
V
SS
2
3
DQ1
4
5
DQ3
6
7
DQ5
8
9
DQ7
10
11
PRD1
12
13
A1
14
15
A3
16
17
A5
18
19
A10
20
21
DQ8
22
23
DQ10
24
25
DQ12
26
27
DQ14
28
29
A11
30
31
A8
32
33 NC/RAS3#* 34
35
DQ15
36
*32MB version only
BACK
DQ0
DQ2
DQ4
DQ6
V
DD
A0
A2
A4
A6
NC
DQ9
DQ11
DQ13
A7
V
DD
A9
RAS2#
NC
PIN
FRONT
PIN
37
DQ16
38
39
V
SS
40
41
CAS2#
42
43
CAS1#
44
45 NC/RAS1#* 46
47
WE#
48
49
DQ18
50
51
DQ20
52
53
DQ22
54
55
NC
56
57
DQ25
58
59
DQ28
60
61
V
DD
62
63
DQ30
64
65
NC
66
67
PRD3
68
69
PRD5
70
71
PRD7
72
BACK
DQ17
CAS0#
CAS3#
RAS0#
NC (A12)
NC (A13)
DQ19
DQ21
DQ23
DQ24
DQ26
DQ27
DQ29
DQ31
PRD2
PRD4
PRD6
V
SS
PART NUMBERS
EDO Operating Mode
PART NUMBER
MT2LDT432HG-x X
MT2LDT432HG-x XS
MT4LDT832HG-x X
MT4LDT832HG-x XS
x = speed
CONFIGURATION
4 Meg x 32
4 Meg x 32
8 Meg x 32
8 Meg x 32
REFRESH
Standard
Self
Standard
Self
NOTE:
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.
KEY TIMING PARAMETERS
EDO Operating Mode
SPEED
-5
-6
t
RC
t
RAC
t
PC
t
AA
t
CAC
t
CAS
FPM Operating Mode
PART NUMBER
MT2LDT432HG-x
MT2LDT432HG-x S
MT4LDT832HG-x
MT4LDT832HG-x S
x = speed
4, 8 Meg x 32 DRAM SODIMMs
DM89.p65 – Rev. 12/98
84ns
104ns
50ns
60ns
20ns
25ns
25ns
30ns
13ns
15ns
8ns
10ns
CONFIGURATION
4 Meg x 32
4 Meg x 32
8 Meg x 32
8 Meg x 32
REFRESH
Standard
Self
Standard
Self
FPM Operating Mode
SPEED
-5
-6
t
RC
t
RAC
t
PC
t
AA
t
CAC
t
RP
90ns
110ns
50ns
60ns
30ns
35ns
25ns
30ns
13ns
15ns
30ns
40ns
1
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©1998, Micron Technology, Inc.
MICRON [ MICRON TECHNOLOGY ]
