mt18ld472fg-5 Micron Semiconductor Products, mt18ld472fg-5 Datasheet - Page 21

• 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
NOTE: 1.
*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
t
t
AA
AR
ASC
ASR
AWD (EDO)
AWD (FPM)
CAC
CAH
CAS (EDO)
CAS (FPM)
CLZ (EDO)
CLZ (FPM)
CP
CPA
CRP
CSH (EDO)
CSH (FPM)
CWD (EDO)
CWD (FPM)
CWL (EDO)
CWL (FPM)
DH
DS
OD (EDO)
t
PC is for LATE WRITE cycles only.
ADDR
RAS#
CAS#
WE#
OE#
DQ
MIN
36
42
13
10
36
30
13
-2
2
5
–
8
–
2
–
8
–
–
8
–
0
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
33
12
t CRP
–
t ASR
FAST/EDO-PAGE-MODE READ-WRITE CYCLE
(LATE WRITE and READ-MODIFY-WRITE cycles)
ROW
t RAD
t RAH
t AR
MIN
43
49
57
15
10
15
10
10
43
58
37
42
10
15
15
-2
2
5
2
5
0
t RAC
t RCD
-6
OPEN
t RCS
t ASC
10,000
10,000
t CAC
t CLZ
MAX
t AA
t CSH
35
20
40
15
COLUMN
t OE
t CAH
t RWD
t AWD
t CWD
UNITS
t CAS
t DS
VALID
D OUT
t CWL
t WP
t DH
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
VALID
D IN
t OD
21
t CAC
t CLZ
t CP
t RASP
t ASC
t AA
t CPA
t OE
COLUMN
t PC
SYMBOL
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
OD (FPM)
OE
OEH (EDO)
OEH (FPM)
PC (EDO)
PC (FPM)
PRWC (EDO)
PRWC (FPM)
RAC
RAD (EDO)
RAD (FPM)
RAH
RASP
RCD (EDO)
RCD (FPM)
RCS
RP
RSH
RWD (EDO)
RWD (FPM)
RWL
WP (EDO)
WP (FPM)
t CAH
t AWD
t CWD
t CAS
t DS
D OUT
t PRWC
VALID
t CWL
t WP
t DH
VALID
NOTE 1
D IN
t OD
Micron Technology, Inc., reserves the right to change products or specifications without notice.
BUFFERED DRAM DIMMs
t CAC
t CLZ
t CP
t ASC
t AA
t CPA
t OE
COLUMN
MIN
20
49
50
30
18
69
18
–
6
–
–
–
7
–
7
9
–
2
–
5
–
t CAH
t AWD
t CWD
t DS
VALID
D OUT
-5*
t RSH
t CAS
125,000
34
MAX
VALID
D IN
12
50
–
t OD
t OEH
t DH
t WP
t CWL
2, 4 MEG x 72
DON’T CARE
UNDEFINED
t RP
t RWL
OPEN
t CP
MIN
13
25
35
58
87
10
13
60
12
18
40
20
81
87
20
10
3
8
8
2
5
ROW
-6
©1999, Micron Technology, Inc.
125,000
MAX
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
ns