OBSOLETE
4, 8 MEG x 36
PARITY DRAM SIMMs
TRUTH TABLE
ADDRESSES
DATA-IN/OUT
DQ1-DQ36
High-Z
FUNCTION
RAS#
CAS#
H→X
L
WE#
X
tR
tC
Standby
H
X
X
READ
L
H
L
ROW
ROW
ROW
n/a
COL
COL
COL
COL
COL
COL
n/a
Data-Out
Data-In
EARLY WRITE
FAST-PAGE-MODE
READ
L
L
1st Cycle
2nd Cycle
1st Cycle
2nd Cycle
L
H→L
H→L
H→L
H→L
H
H
H
L
Data-Out
Data-Out
Data-In
L
FAST-PAGE-MODE
EARLY-WRITE
RAS#-ONLY REFRESH
HIDDEN
L
L
ROW
n/a
L
Data-In
L
X
ROW
ROW
ROW
X
High-Z
READ
L→H→L
L→H→L
H→L
L
H
L
COL
COL
X
Data-Out
Data-In
REFRESH
WRITE
L
CBR REFRESH
L
H
High-Z
JEDEC-DEFINED
PRESENCE-DETECT – MT12D436 (16MB)
SYMBOL
PRD1
PRD2
PRD3
PRD4
PIN
67
68
69
70
-6
VSS
NC
NC
NC
JEDEC-DEFINED
PRESENCE-DETECT – MT24D836 (32MB)
SYMBOL
PRD1
PRD2
PRD3
PRD4
PIN
67
68
69
70
-6
NC
VSS
NC
NC
4, 8 Meg x 36 Parity DRAM SIMMs
DM45.pm5 – Rev. 3/97
Micron Technology, Inc., reserves the right to change products or specifications without notice.
1997, Micron Technology, Inc.
4
MICRON [ MICRON TECHNOLOGY ]
