HY57V653220B
COMMAND TRUTH TABLE
Command
Mode Register Set
No Operation
Bank Active
Read
H
Read with Autoprecharge
Write
H
Write with Autoprecharge
Precharge All Banks
H
Precharge selected Bank
Burst Stop
DQM
Auto Refresh
Burst-READ-Single-WRITE
Entry
Self Refresh
1
Exit
H
H
H
H
H
L
H
X
L
H
L
H
Entry
Precharge power
down
Exit
L
H
L
H
Clock
Suspend
Entry
Exit
H
L
L
L
H
V
X
V
V
X
H
X
H
X
H
X
X
X
H
L
L
H
H
X
H
X
H
X
X
X
H
X
H
X
H
X
X
L
L
L
H
X
L
H
X
L
L
L
X
L
L
L
X
H
L
H
X
X
H
L
X
V
X
X
X
X
X
L
L
H
L
X
X
L
X
X
X
A9 Pin High
(Other Pins OP code)
V
X
L
H
L
L
X
CA
H
H
X
X
L
H
L
H
X
CA
H
L
V
CKEn-1
H
H
H
CKEn
X
X
L
X
L
H
L
H
H
H
H
X
RA
L
V
V
CS
L
H
RAS
L
X
CAS
L
X
WE
L
X
X
X
DQM
X
ADDR
A10/
AP
OP code
BA
Note
Note :
1. Exiting Self Refresh occurs by asynchronously bringing CKE from low to high
2. X = Don′t care, H = Logic High, L = Logic Low. BA =Bank Address, RA = Row Address, CA = Column Address,
Opcode = Operand Code, NOP = No Operation
Rev.1.6/Dec. 01
11
HYNIX [ HYNIX SEMICONDUCTOR ]
