mt18ld472fg-5 Micron Semiconductor Products, mt18ld472fg-5 Datasheet - Page 15

• Manufacturer Part Number: mt18ld472fg-5
• Description: 2, 4 Meg X 72 Buffered Dram Dimms
• Manufacturer: Micron Semiconductor Products

OBSOLETE
FAST PAGE MODE AND EDO PAGE MODE
TIMING PARAMETERS
*EDO version only
NOTE: 1. For EDO,
2, 4 Meg x 72 Buffered DRAM DIMMs
DM33.p65 – Rev. 2/99
SYMBOL
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
AA
ACH (EDO)
AR
ASC
ASR
CAC
CAH
CAS (EDO)
CAS (FPM)
CLZ (EDO)
CLZ (FPM)
CRP
CSH (EDO)
CSH (FPM)
OD (EDO)
OD (FPM)
OE
ADDR
RAS#
CAS#
WE#
OE#
DQ
rising edge of RAS# or CAS#, whichever occurs first.
V
V
V
V
V
V
V
V
V
V
OH
OL
V
V
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
MIN
12
36
13
10
36
2
5
8
–
2
–
–
0
–
t
OFF is referenced from rising edge of RAS# or CAS#, whichever occurs last. For FPM,
-5*
10,000
MAX
t CRP
t ASR
30
18
12
12
–
–
ROW
MIN
15
43
15
10
15
10
43
58
2
5
2
5
0
3
t RAD
t RAH
-6
10,000
10,000
OPEN
MAX
35
20
15
15
15
READ CYCLE
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t RCS
t RAS
t RCD
t RC
t AR
t ASC
COLUMN
15
t CSH
t RSH
t CAS
t CAH
t AA
t RAC
t CAC
t CLZ
SYMBOL
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
OFF (EDO)
OFF (FPM)
RAC
RAD (EDO)
RAD (FPM)
RAH
RAS
RC (EDO)
RC (FPM)
RCD (EDO)
RCD (FPM)
RCH
RCS
RP
RRH
RSH
34
t OE
Micron Technology, Inc., reserves the right to change products or specifications without notice.
BUFFERED DRAM DIMMs
VALID DATA
MIN
50
84
30
18
2
–
7
–
7
–
9
–
2
2
0
t OD
t OFF
t RRH
t RCH
-5*
NOTE 1
t RP
10,000
MAX
17
50
–
2, 4 MEG x 72
MIN
t
104
110
OPEN
OFF is referenced from
10
13
60
12
18
40
20
2
5
8
2
2
0
DON’T CARE
UNDEFINED
ROW
-6
©1999, Micron Technology, Inc.
10,000
MAX
20
20
60
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns