Discontinued (9/98 - last order; 3/99 last ship)
IBM0117800
IBM0117800M
IBM0117800B IBM0117800P
2M x 8 11/10 DRAM
Truth Table
Function
Standby
Read
Early-Write
Delayed-Write
Read-Modify-Write
Fast Page Mode
Read
Fast Page Mode
Write
Fast Page Mode
Read-Modify-Write
RAS-Only Refresh
CAS-Before-RAS Refresh
Read
Hidden Refresh
Write
Self Refresh (LP version only)
L→H→L
H→L
L
L
L→H
H
X
X
Row
X
Col
X
Data In
High Impedance
1st Cycle
2nd Cycle
1st Cycle
2nd Cycle
1st Cycle
2nd Cycle
RAS
H
L
L
L
L
L
L
L
L
L
L
L
H→L
L→H→L
CAS
H→X
L
L
L
L
H→L
H→L
H→L
H→L
H→L
H→L
H
L
L
WE
X
H
L
H→L
H→L
H
H
L
L
H→L
H→L
X
H
H
OE
X
L
X
H
L→H
L
L
X
X
L→H
L→H
X
X
L
Row
Address
X
Row
Row
Row
Row
Row
N/A
Row
N/A
Row
N/A
Row
X
Row
Col
Address
X
Col
Col
Col
Col
Col
Col
Col
Col
Col
Col
N/A
N/A
Col
I/O0 - I/O7
High Impedance
Data Out
Data In
Data In
Data Out, Data In
Data Out
Data Out
Data In
Data In
Data Out, Data In
Data Out, Data In
High Impedance
High Impedance
Data Out
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Use is further subject to the provisions at the end of this document.
43G9629
SA14-4205-07
Revised 4/97
Page 4 of 28
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