mt18ld472fg-5 Micron Semiconductor Products, mt18ld472fg-5 Datasheet - Page 20

• 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
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
t
t
t
t
t
AA
ACH (EDO)
AR
ASC
ASR
AWD (EDO)
AWD (FPM)
CAC
CAH
CAS (EDO)
CAS (FPM)
CLZ (EDO)
CLZ (FPM)
CRP
CSH (EDO)
CSH (FPM)
CWD (EDO)
CWD (FPM)
CWL (EDO)
CWL (FPM)
DH
DS
ADDR
RAS#
CAS#
WE#
OE#
DQ
MIN
12
36
42
13
10
36
30
13
-2
2
5
–
8
–
2
–
–
–
8
–
V
V
V
V
V
V
V
V
V
V
V
V
IOH
IOL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
-5*
10,000
MAX
30
18
–
t CRP
t ASR
(LATE WRITE and READ-MODIFY-WRITE cycles)
ROW
MIN
15
43
49
57
15
10
15
10
43
58
37
42
10
15
15
-2
2
5
2
5
t RAD
t RAH
t AR
-6
10,000
10,000
MAX
35
20
READ-WRITE CYCLE
t RCD
OPEN
UNITS
t ASC
t RCS
t RWC
t RAS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t CLZ
COLUMN
20
t CAH
t CSH
t RSH
t CAS
t RWD
t CWD
t AWD
t AA
t RAC
t CAC
t OE
SYMBOL
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
OD (EDO)
OD (FPM)
OE
OEH (EDO)
OEH (FPM)
RAC
RAD (EDO)
RAD (FPM)
RAH
RAS
RCD (EDO)
RCD (FPM)
RCS
RP
RSH
RWC (EDO)
RWC (FPM)
RWD (EDO)
RWD (FPM)
RWL
WP (EDO)
WP (FPM)
VALID D OUT
t OD
34
Micron Technology, Inc., reserves the right to change products or specifications without notice.
t DS
BUFFERED DRAM DIMMs
VALID D IN
t CWL
t RWL
t WP
t DH
t ACH
MIN
121
50
30
18
69
18
t OEH
0
–
6
–
7
–
7
9
–
2
–
–
5
–
-5*
10,000
MAX
12
12
50
–
OPEN
t RP
DON’T CARE
UNDEFINED
2, 4 MEG x 72
ROW
MIN
145
160
13
10
13
60
12
18
40
20
81
87
20
10
0
3
8
8
2
5
-6
©1999, Micron Technology, Inc.
10,000
MAX
15
15
15
60
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns