MT18LD272A Micron Technology, MT18LD272A Datasheet - Page 10

• Manufacturer Part Number: MT18LD272A
• Description: (MT18LD272A / MT18LD472A) NONBUFFERED DRAM DIMMs
• Manufacturer: Micron Technology

OBSOLETE
CAPACITANCE
FAST PAGE MODE
AC ELECTRICAL CHARACTERISTICS
(Notes: 5, 6, 7, 8, 9, 12, 29) (V
2, 4 Meg x 72 Nonbuffered DRAM DIMMs
DM60.p65 – Rev. 6/98
PARAMETER
Input Capacitance: A0-A10
Input Capacitance: WE0#, WE2#, OE0#, OE2#
Input Capacitance: RAS0#, RAS2#
Input Capacitance: CAS0#-CAS7#
Input Capacitance: SCL, SA0-SA2
Input/Output Capacitance: DQ0-DQ63, CB0-CB7, SDA
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)
10
SYMBOL
NONBUFFERED DRAM DIMMs
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CWD
t
AWD
t
CAC
CAH
CHR
CRP
CSH
CSR
CWL
OEH
ORD
ASC
ASR
CAS
CPA
OFF
t
CLZ
t
t
t
t
t
t
t
Micron Technology, Inc., reserves the right to change products or specifications without notice.
DH
OD
OE
AA
AR
CP
DS
PC
SYMBOL
C
C
C
C
C
C
IO
I
I
I
I
I
1
2
3
4
5
MIN
55
10
15
60
45
10
10
40
15
10
15
35
0
0
3
5
5
0
3
3
0
16MB
-6
51
39
39
17
10
6
10,000
MAX
MAX
30
15
35
15
15
15
32MB
96
67
67
24
10
2, 4 MEG x 72
6
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
UNITS
1998, Micron Technology, Inc.
pF
pF
pF
pF
pF
pF
19, 25, 26
NOTES
NOTES
23
14
25
15
23
22
22
21
4
4
2
2
2
2
2
2