IC42S16102 Datasheet, PDF (15/78 Pages) Integrated Circuit Solution Inc – 512K x 16 Bit x 2 Banks (16-MBIT) SDRAM

IC42S16102
OPERATION COMMAND TABLE^(1,2)
Current State Command
Write With DESL
Auto-Precharge
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
Row Precharge DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
Immediately DESL
Following
NOP
Row Active BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
Write
Recovery
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
Operation
CS RAS CAS WE A11 A10 A9-A0
Burst Write Continues, Write Recovery And Precharge H X X X X X X
When Done
Burst Write Continues, Write Recovery And Precharge L H H H X X X
Illegal
L HH L XXX
Illegal
L
H
L
H
V
V
V⁽¹⁸⁾
Illegal
L
H
L
L
V
V
V⁽¹⁸⁾
Illegal⁽¹⁰⁾
L
L
H
H
V
V
V⁽¹⁸⁾
Illegal⁽¹⁰⁾
L LHLVVX
Illegal
L L LHXXX
Illegal
LLLL
OPCODE
No Operation, Idle State After tRP Has Elapsed
HXXXXXX
No Operation, Idle State After tRP Has Elapsed
L HHHX X X
No Operation, Idle State After tRP Has Elapsed
L HH L XXX
Illegal⁽¹⁰⁾
L
H
L
H
V
V
V⁽¹⁸⁾
Illegal⁽¹⁰⁾
L
H
L
L
V
V
V⁽¹⁸⁾
Illegal⁽¹⁰⁾
L
L
H
H
V
V
V⁽¹⁸⁾
No Operation, Idle State After tRP Has Elapsed⁽¹⁰⁾
L LHLVVX
Illegal
L L LHXXX
Illegal
LLLL
OP CODE
No Operation, Row Active After tRCD Has Elapsed
No Operation, Row Active After tRCD Has Elapsed
HXXXXXX
L HHHX X X
No Operation, Row Active After tRCD Has Elapsed
L HH L XXX
Illegal⁽¹⁰⁾
L
H
L
H
V
V
V⁽¹⁸⁾
Illegal⁽¹⁰⁾
L
H
L
L
V
V
V⁽¹⁸⁾
Illegal^(10,14)
L
L
H
H
V
V
V⁽¹⁸⁾
Illegal⁽¹⁰⁾
L LHLVVX
Illegal
L L LHXXX
Illegal
LLLL
OP CODE
No Operation, Row Active After tDPL Has Elapsed
No Operation, Row Active After tDPL Has Elapsed
HXXXXXX
L HHHX X X
No Operation, Row Active After tDPL Has Elapsed
L HH L XXX
Read Start
L
H
L
H
V
V
V⁽¹⁸⁾
Write Restart
L
H
L
L
V
V
V⁽¹⁸⁾
Illegal⁽¹⁰⁾
L
L
H
H
V
V
V⁽¹⁸⁾
Illegal⁽¹⁰⁾
L LHLVVX
Illegal
L L LHXXX
Illegal
LLLL
OP CODE
Integrated Circuit Solution Inc.
15
DR042-0A 01/18/2005