IS42S81600B-7TI データシートの表示（PDF） - Integrated Silicon Solution
部品番号
コンポーネント説明
一致するリスト
IS42S81600B-7TI Datasheet PDF : 60 Pages
| |||
IS42S81600B, IS42S16800B
ISSI ®
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
Row Active
Read
LL
H
L
LL
L
H
LL
L
L
HX
X
X
LH
H
H
LH
H
L
LH
L
H
LH
L
L
LL
H
H
LL
H
L
LL
L
H
LL
L
L
HX
X
X
BA, A10
X
OC, BA1=L
X
X
X
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
X
OC, BA
X
PRE/PALL
REF/SELF
MRS
DESL
NOP
BST
READ/READA
WRIT/ WRITA
ACT
PRE/PALL
REF/SELF
MRS
DESL
Nop
Auto refresh or Self-refresh(4)
Mode register set
Nop
Nop
Nop
Begin read (5)
Begin write (5)
ILLEGAL (3)
Precharge
Precharge all banks(6)
ILLEGAL
ILLEGAL
Continue burst to end to
Row active
LH
H
H
LH
H
L
LH
L
H
LH
L
L
LL
H
H
X
X
BA, CA, A10
BA, CA, A10
BA, RA
NOP
BST
READ/READA
WRIT/WRITA
ACT
Continue burst to end Row
Row active
Burst stop, Row active
Terminate burst,
begin new read (7)
Terminate burst,
begin write (7,8)
ILLEGAL (3)
Write
LL
H
L
LL
L
H
LL
L
L
HX
X
X
LH
H
H
BA, A10
X
OC, BA
X
X
PRE/PALL
REF/SELF
MRS
DESL
NOP
Terminate burst
Precharging
ILLEGAL
ILLEGAL
Continue burst to end
Write recovering
Continue burst to end
Write recovering
LH
H
L
LH
L
H
LH
L
L
LL
H
H
LL
H
L
LL
L
H
LL
L
L
X
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
X
OC, BA
BST
READ/READA
WRIT/WRITA
RA ACT
PRE/PALL
REF/SELF
MRS
Burst stop, Row active
Terminate burst, start read :
Determine AP (7,8)
Terminate burst, new write :
Determine AP (7)
ILLEGAL (3)
Terminate burst Precharging (9)
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
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
9
Rev. E
05/01/06
Share Link: 