VG3617161ET-6 Powerchip, VG3617161ET-6 Datasheet - Page 9

• Manufacturer Part Number: VG3617161ET-6
• Description: 1,048,576 x 16 - Bit CMOS Synchronous Dynamic RAM
• Manufacturer: Powerchip

VIS
Idle
Row active
Read
Write
Document:1G5-0189
Current state
2.4 Operative Command Table
CS
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
RAS
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
CAS
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
X
X
H
H
H
X
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
X
X
BA,CA,A10
BA,CA,A10
BR,RA
BA,A10
X
Op-Code
X
X
BA,CA,A10
BA,CA,A10
BA,RA
BA,A10
X
Op-Code
X
X
X
BA,CA,A10
BA,CA,A10
BA,RA
BA,A10
X
Op-Code
X
X
X
BA,CA,A10
BA,CA,A10
BA,RA
BA,A10
X
Op-Code
Address
DESL
NOP or BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MPS
DESL
NOP or 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
Rev.2
Command
Nop or Power down
Nop or Power down
ILLEGAL
ILLEGAL
Row active
Nop
Refresh or Self refresh
Mode register access
Nop
Nop
Begin read:Determine AP
Begin write:Determine AP
ILLEGAL
Precharge
ILLEGAL
ILLEGAL
Continue burst to
Continue burst to
Burst
Term burst, new read:Determine AP
Term burst, start write:Determine AP
ILLEGAL
Term burst,precharging
ILLEGAL
ILLEGAL
Continue burst to
Continue burst to
Burst
Term burst, start read: determine AP
Term burst, new write:Determine AP
ILLEGAL
Term burst precharging
ILLEGAL
ILLEGAL
CMOS Synchronous Dynamic RAM
stop
stop


Row
Row
end
end
end
end
Action
active
active




Row
Row
write
Write
1,048,576 x 16 - Bit
active
active
recovering
recovering
Page 9
VG3617161ET
(1/3)
Notes
7,8
7,8
2
2
3
3
4
5
5
3
6
7
3
7
3
9