mt18ld472fg-5 Micron Semiconductor Products, mt18ld472fg-5 Datasheet - Page 9

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

OBSOLETE
CAPACITANCE
FAST PAGE MODE
AC ELECTRICAL CHARACTERISTICS
(Notes: 5, 6, 7, 8, 9, 12, 35) (V
2, 4 Meg x 72 Buffered DRAM DIMMs
DM33.p65 – Rev. 2/99
PARAMETER
Input Capacitance: A0-A11, B0, PDE#, OE0#, OE2#
Input Capacitance: WE0#, WE2#, CAS0#, CAS4#
Input Capacitance: RAS0#, RAS2#
Input/Output Capacitance: DQ0-DQ71
Output Capacitance: PD1-PD8
AC CHARACTERISTICS - FAST PAGE MODE OPTION
PARAMETER
Access time from column address
Column-address hold time (referenced to RAS#)
Column-address setup time
Row-address setup time
Column address to WE# delay time
Access time from CAS#
Column-address hold time
CAS# pulse width
CAS# hold time (CBR Refresh)
CAS# to output in Low-Z
CAS# precharge time
Access time from CAS# precharge
CAS# to RAS# precharge time
CAS# hold time
CAS# setup time (CBR Refresh)
CAS# to WE# delay time
WRITE command to CAS# lead time
Data-in hold time
Data-in setup time
Output disable
Output enable
OE# hold time from WE# during READ-MODIFY-WRITE cycle
Output buffer turn-off delay
OE# setup prior to RAS# during HIDDEN REFRESH cycle
FAST-PAGE-MODE READ or WRITE cycle time
DD
= +3.3V ±0.3V)
9
SYMBOL
t
t
t
t
t
t
t
AWD
t
t
t
t
t
t
t
t
t
t
CWD
CWL
Micron Technology, Inc., reserves the right to change products or specifications without notice.
t
CAH
t
t
t
OEH
ORD
t
ASC
ASR
CAC
CAS
CHR
CPA
CSH
t
OFF
t
CRP
CSR
t
CLZ
AA
DH
OD
AR
OE
CP
DS
PC
BUFFERED DRAM DIMMs
SYMBOL 16MB 32MB UNITS NOTES
C
C
C
C
C
IO
I
I
I
O
1
2
3
MIN
43
57
15
15
10
10
58
42
15
15
13
35
-2
2
5
8
5
7
3
5
0
-6
39
10
10
9
9
10,000
MAX
MAX
35
20
40
15
15
20
2, 4 MEG x 72
67
10
10
9
9
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
©1999, Micron Technology, Inc.
p F
p F
p F
p F
p F
19, 25, 33
NOTES
21, 28
14, 23
21, 30
21, 28
23, 27
22, 27
22, 26
4, 22
4, 21
23
22
21
23
23
15
23
23
22
2
2
2
2
2