MT18D836 Micron Semiconductor Products, Inc., MT18D836 Datasheet - Page 6

• Manufacturer Part Number: MT18D836
• Description: 72-Pin DRAM Simms, Ecc Optimized, (x36), , Status: End of Life (EOL)
• Manufacturer: Micron Semiconductor Products, Inc.

NOT RECOMMENDED FOR NEW DESIGNS
CAPACITANCE
4, 8 Meg x 36 ECC-Optimized DRAM SIMMs
DM84_2.p65 – Rev. 9/98
AC ELECTRICAL CHARACTERISTICS
(Notes: 5-12) (V
PARAMETER
Input Capacitance: A0-A10
Input Capacitance: WE#
Input Capacitance: RAS0#-RAS3#
Input Capacitance: CAS0#-CAS3#
Input/Output Capacitance: DQ1-DQ36
AC CHARACTERISTICS
PARAMETER
Access time from column address
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
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
FAST-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 (FAST 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)
RAS# precharge time
RAS# to CAS# precharge time
DD
= +5V ±10%)
6
ECC-OPTIMIZED DRAM SIMMs
Micron Technology, Inc., reserves the right to change products or specifications without notice.
SYMBOL 16MB 32MB UNITS NOTES
SYMBOL
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
C
t
t
t
t
RASP
t
t
t
C
C
C
C
t
CAH
CWL
t
RAD
RAH
t
CAC
CHR
CPA
RAC
t
RCD
RCH
ASC
ASR
CAS
t
CRP
CSH
CSR
t
OFF
t
RAS
RCS
t
RPC
CLZ
REF
AA
AR
DH
DS
RC
CP
PC
RP
IO
I
I
I
I
1
2
3
4
MIN
110
52
70
42
25
10
45
10
15
10
10
60
15
10
35
15
10
60
60
20
40
0
0
3
5
5
0
3
0
0
0
MAX
-6
4, 8 MEG x 36
125,000
10,000
10,000
MAX
105
140
42
50
18
30
15
35
15
60
32
©1998, Micron Technology, Inc.
UNITS
pF
pF
pF
pF
pF
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
NOTES
13
18
18
17
15
14
16
2
2
2
2
2
4
4