MT2LDT432H Datasheet, PDF (1/25 Pages) Micron Technology – SMALL-OUTLINE DRAM MODULE

SMALL-OUTLINE
DRAM MODULE
ADVANCE
4, 8 MEG x 32
DRAM SODIMMs
MT2LDT432H (X)(S), MT4LDT832H (X)(S)
For the latest data sheet, please refer to the Micron Web
site: www.micronsemi.com/datasheets/datasheet.html
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
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
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
FPM Operating Mode
PART NUMBER
MT2LDT432HG-x
MT2LDT432HG-x S
MT4LDT832HG-x
MT4LDT832HG-x S
x = speed
CONFIGURATION
4 Meg x 32
4 Meg x 32
8 Meg x 32
8 Meg x 32
REFRESH
Standard
Self
Standard
Self
PIN ASSIGNMENT (Front View)
72-Pin Small-Outline DIMM
1
PIN FRONT PIN
1
VSS
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
BACK
DQ0
DQ2
DQ4
DQ6
VDD
A0
A2
A4
A6
NC
DQ9
DQ11
DQ13
A7
VDD
A9
RAS2#
NC
PIN FRONT PIN
37 DQ16 38
39
VSS
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
VDD
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
VSS
*32MB version only
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
84ns
104ns
t_RAC
50ns
60ns
t_PC
20ns
25ns
t_AA
25ns
30ns
t_CAC
13ns
15ns
t_CAS
8ns
10ns
FPM Operating Mode
SPEED
-5
-6
t_RC
90ns
110ns
t_RAC
50ns
60ns
t_PC
30ns
35ns
t_AA
25ns
30ns
t_CAC
13ns
15ns
t_RP
30ns
40ns
4, 8 Meg x 32 DRAM SODIMMs
DM89.p65 – Rev. 12/98
1
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©1998, Micron Technology, Inc.