IS45S16320D 查看數據表（PDF） - Integrated Silicon Solution
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IS45S16320D Datasheet PDF : 66 Pages
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IS42/45R86400D/16320D/32160D, IS42/45S86400D/16320D/32160D
FUNCTIONAL TRUTH TABLE
Current State
CS RAS CAS WE
Address
Command Action
Idle
HX
X
X
X
DESL
Nop or Power Down(2)
LH
H
H
X
NOP
Nop or Power Down(2)
LH
H
L
X
BST
Nop or Power Down
LH
L
H
BA, CA, A10
READ/READA
ILLEGAL (3)
LH
L
L
A, CA, A10
WRIT/ WRITA
ILLEGAL(3)
LL
H
H
BA, RA
ACT
Row activating
LL
H
L
BA, A10
PRE/PALL
Nop
LL
L
H
X
REF/SELF
Auto refresh or Self-refresh(4)
LL
L
L
OC, BA1=L
MRS
Mode register set
Row Active
HX
X
X
X
DESL
Nop
LH
H
H
X
NOP
Nop
LH
H
L
X
BST
Nop
LH
L
H
BA, CA, A10
READ/READA
Begin read (5)
LH
L
L
BA, CA, A10
WRIT/ WRITA
Begin write (5)
LL
H
H
BA, RA
ACT
ILLEGAL (3)
LL
H
L
BA, A10
PRE/PALL
Precharge
Precharge all banks(6)
LL
L
H
X
REF/SELF
ILLEGAL
LL
L
L
OC, BA
MRS
ILLEGAL
Read
HX
X
X
X
DESL
Continue burst to end to
Row active
LH
H
H
X
NOP
Continue burst to end Row
Row active
LH
H
L
X
BST
Burst stop, Row active
LH
L
H
BA, CA, A10
READ/READA
Terminate burst,
begin new read (7)
LH
L
L
BA, CA, A10
WRIT/WRITA
Terminate burst,
begin write (7,8)
LL
H
H
BA, RA
ACT
ILLEGAL (3)
LL
H
L
BA, A10
PRE/PALL
Terminate burst
Precharging
LL
L
H
X
REF/SELF
ILLEGAL
LL
L
L
OC, BA
MRS
ILLEGAL
Write
HX
X
X
X
DESL
Continue burst to end
Write recovering
LH
H
H
X
NOP
Continue burst to end
Write recovering
LH
H
L
X
BST
Burst stop, Row active
LH
L
H
BA, CA, A10
READ/READA
Terminate burst, start read :
Determine AP (7,8)
LH
L
L
BA, CA, A10
WRIT/WRITA
Terminate burst, new write :
Determine AP (7)
LL
H
H
BA, RA
RA ACT
ILLEGAL (3)
LL
H
L
BA, A10
PRE/PALL
Terminate burst Precharging (9)
LL
L
H
X
REF/SELF
ILLEGAL
LL
L
L
OC, BA
MRS
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
Integrated Silicon Solution, Inc. — www.issi.com
11
Rev. A
08/29/2012
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