w942508bh Winbond Electronics Corp America, w942508bh Datasheet - Page 14
w942508bh
Manufacturer Part Number
w942508bh
Description
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W942508BH.pdf
(45 pages)
- Current page: 14 of 45
- Download datasheet (2Mb)
Function Truth Table
(Note 1)
Idle
Row Active
Read
Write
CURRENT
STATE
CS RAS CAS
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
X
X
X
X
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
X
H
H
H
X
H
H
H
X
H
H
H
H
X
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
WE
H
H
H
H
H
H
H
H
H
H
H
H
H
H
X
X
X
X
X
X
L
L
L
L
L
L
L
L
L
L
L
L
L
L
X
X
BS, CA, A10
BS, CA, A10
BS, RA
BS, A10
X
Op-Code
X
X
BS, CA, A10
BS, CA, A10
BS, RA
BS, A10
X
Op-Code
X
X
X
BS, CA, A10
BS, CA, A10
BS, RA
BS, A10
X
Op-Code
X
X
X
BS, CA, A10
BS, CA, A10
BS, RA
BS, A10
X
Op-Code
ADDRESS
DSL
NOP/BST
READ/READA
WRIT/WRITA
ACT
PRE/PREA
AREF/SELF
MRS/EMRS
DSL
NOP/BST
READ/READA
WRIT/WRITA
ACT
PRE/PREA
AREF/SELF
MRS/EMRS
DSL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PREA
AREF/SELF
MRS/EMRS
DSL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PREA
AREF/SELF
MRS/EMRS
- 14 -
COMMAND
Nop
Nop
ILLEGAL
ILLEGAL
Row activating
Nop
Refresh or Self refresh
Mode register accessing
Nop
Nop
Begin read: Determine AP
Begin write: Determine AP
ILLEGAL
Precharge
ILLEGAL
ILLEGAL
Continue burst to end
Continue burst to end
Burst stop
Term burst, new read: Determine AP
ILLEGAL
ILLEGAL
Term burst, precharging
ILLEGAL
ILLEGAL
Continue burst to end
Continue burst to end
ILLEGAL
Term burst, start read: Determine AP
Term burst, start read: Determine AP
ILLEGAL
Term burst. precharging
ILLEGAL
ILLEGAL
ACTION
W942508BH
NOTES
6, 7
3
3
2
2
4
4
3
5
6
3
6
3
8
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