mt18d836m-5-20x Micron Semiconductor Products, mt18d836m-5-20x Datasheet - Page 6

• Manufacturer Part Number: mt18d836m-5-20x
• Description: Ecc-optimized Dram Simms
• Manufacturer: Micron Semiconductor Products

NOT RECOMMENDED FOR NEW DESIGNS
CAPACITANCE
4, 8 Meg x 36 ECC-Optimized DRAM SIMMs
DM65_2.p65 – Rev. 9/98
AC ELECTRICAL CHARACTERISTICS
(Notes: 5, 6, 7, 8, 9, 10, 11, 12) (V
AC CHARACTERISTICS
PARAMETER
Access time from column address
Column-address setup to CAS# precharge during WRITE
Column-address hold time (referenced to RAS#)
Column-address setup time
Row-address setup time
Access time from CAS#
Column-address hold time
CAS# pulse width
CAS# hold time (CBR Refresh)
CAS# to output in Low-Z
Data output hold after next CAS# LOW
CAS# precharge time
Access time from CAS# precharge
CAS# to RAS# precharge time
CAS# hold time
CAS# setup time (CBR Refresh)
WRITE command to CAS# lead time
Data-in hold time
Data-in setup time
Output buffer turn-off delay
EDO-PAGE-MODE READ or WRITE cycle time
Access time from RAS#
RAS# to column-address delay time
Row-address hold time
RAS# pulse width
RAS# pulse width (EDO PAGE MODE)
Random READ or WRITE cycle time
RAS# to CAS# delay time
READ command hold time (referenced to CAS#)
READ command setup time
Refresh period (2,048 cycles)
PARAMETER
Input Capacitance: A0-A10
Input Capacitance: WE#
Input Capacitance: RAS0#-RAS3#
Input Capacitance: CAS0#-CAS3#
Input/Output Capacitance: DQ1-DQ36
DD
= +5V ±10%)
SYMBOL
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
RASP
t
t
t
t
ACH
CAH
COH
CWL
t
RAD
RAH
t
CAC
CHR
CPA
RAC
RCD
RCH
ASC
ASR
CAS
t
CRP
CSH
CSR
t
OFF
t
RAS
t
RCS
CLZ
REF
AA
AR
DH
DS
RC
CP
PC
6
MIN
12
38
38
20
50
50
84
11
0
0
8
8
8
0
3
8
5
5
8
8
0
0
9
9
0
0
ECC-OPTIMIZED DRAM SIMMs
Micron Technology, Inc., reserves the right to change products or specifications without notice.
-5
125,000
10,000
10,000
MAX
SYMBOL 16MB 32MB UNITS NOTES
25
13
28
12
50
32
C
C
C
C
C
IO
I
I
I
I
1
2
3
4
MIN
104
15
45
10
10
10
10
45
10
10
25
12
10
60
60
14
0
0
0
3
5
5
0
0
0
0
52
70
42
25
10
-6
125,000
MAX
10,000
10,000
MAX
4, 8 MEG x 36
30
15
35
15
60
32
105
140
42
50
18
UNITS
©1998, Micron Technology, Inc.
ms
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
ns
ns
ns
ns
ns
pF
pF
pF
pF
pF
NOTES
13
18
18
17
15
14
16
4
4
2
2
2
2
2