HY57V64820HGTP
COMMAND TRUTH TABLE
Command
CKEn-1
CKEn
CS
RAS
CAS
WE
DQM
ADDR
A10/
AP
BA
Note
Mode Register Set
No Operation
Bank Active
Read
H
H
H
H
X
X
L
H
L
L
X
H
L
H
L
X
H
H
L
L
X
X
X
OP code
X
RA
L
CA
H
L
V
V
H
H
H
X
X
X
X
L
L
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
L
H
L
H
Entry
Precharge power
down
Exit
L
H
L
H
Clock
Suspend
Entry
Exit
Note :
X
L
H
L
L
X
CA
H
H
V
X
V
X
X
L
L
L
H
X
H
H
L
L
X
X
V
X
L
X
X
X
A9 Pin High
(Other Pins OP code)
H
H
H
H
H
H
X
L
L
L
L
H
L
L
L
X
H
X
H
X
H
X
V
X
L
L
L
X
H
X
H
X
H
X
V
H
L
H
X
X
X
X
X
X
H
X
X
H
X
X
X
H
X
X
V
X
X
H
L
L
H
H
L
L
L
H
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. 0.1/ Nov. 03
10
HYNIX [ HYNIX SEMICONDUCTOR ]
