IS45S32400B Datasheet, PDF (10/60 Pages) Integrated Silicon Solution, Inc – 4Meg x 32 128-MBIT SYNCHRONOUS DRAM

IS45S32400B
ISSI ^®
FUNCTIONAL TRUTH TABLE Continued:
Current State
Read with auto
Precharging
Write with Auto
Precharge
Precharging
Row Activating
CS RAS CAS WE
H× ×
×
LH
H
H
LH
H
L
LH
L
H
LH
L
L
LL
H
H
LL
H
L
LL
L
H
LL
L
L
H×
××
LH
H
H
LH
H
L
LH
L
H
LH
L
L
LL
H
H
LL
H
L
LL
L
H
LL
L
L
H×
×
×
LH
H
H
LH
H
L
LH
L
H
LH
L
L
LL
H
H
LL
H
L
LL
L
H
LL
L
L
H× ×
×
LH
H
H
LH
H
L
LH
L
H
LH
L
L
LL
H
H
LL
H
L
LL
L
H
LL
L
L
Address
×
x
×
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
×
OC, BA
×
×
×
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
×
OC, BA
×
×
×
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
×
OC, BA
×
×
×
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
×
OC, BA
Command
DESL
Action
Continue burst to end, Precharge
NOP
BST
READ/READA
WRIT/ WRITA
ACT
PRE/PALL
REF/SELF
MRS
DESL
NOP
BST
READ/READA
WRIT/ WRITA
ACT
PRE/PALL
REF/SELF
MRS
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
Continue burst to end, Precharge
ILLEGAL
ILLEGAL ⁽¹¹⁾
ILLEGAL ⁽¹¹⁾
ILLEGAL ⁽³⁾
ILLEGAL ⁽¹¹⁾
ILLEGAL
ILLEGAL
Continue burst to end, Write
recovering with auto precharge
Continue burst to end, Write
recovering with auto precharge
ILLEGAL
ILLEGAL⁽¹¹⁾
ILLEGAL ⁽¹¹⁾
ILLEGAL ^(3,11)
ILLEGAL ^(3,11)
ILLEGAL
ILLEGAL
Nop, Enter idle after tRP
Nop, Enter idle after tRP
Nop, Enter idle after tRP
ILLEGAL ⁽³⁾
ILLEGAL ⁽³⁾
ILLEGAL⁽³⁾
Nop Enter idle after tRP
ILLEGAL
ILLEGAL
Nop, Enter bank active after tRCD
Nop, Enter bank active after tRCD
Nop, Enter bank active after tRCD
ILLEGAL ⁽³⁾
ILLEGAL ⁽³⁾
ILLEGAL ^(3,9)
ILLEGAL ⁽³⁾
ILLEGAL
ILLEGAL
Note: H=VIH, L=VIL x= VIH or VIL, V = Valid Data, BA= Bank Address, CA+Column Address, RA=Row Address, OC= Op-Code
10
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
Rev. B
07/10/06