11
1Gbit (32Mx32bit) Mobile SDR Memory
H55S1G(2/3)2MFP Series
CURRENT STATE TRUTH TABLE (Sheet 4 of 4)
Command
Current
Action
Notes
BA0/
BA1
State
CS RAS CAS WE
Amax-A0
Description
Write
Recovering
No Operation:
Row Active after tDPL
H
X
X
X
X
X
Device Deselect
L
L
L
L
L
L
L
L
L
L
L
H
L
OP CODE
Mode Register Set
ILLEGAL
13,14
13
X
X
X
Auto or Self Refresh ILLEGAL
L
H
H
L
BA
BA
BA
BA
Precharge
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
4,13
4,12
4,12
4,9,12
Write
L
H
L
Row Add.
Bank Activate
Recovering
with Auto
Precharge
H
H
Col Add. A10 Write/WriteAP
Col Add. A10 Read/ReadAP
L
H
No Operation:
Precharge after tDPL
L
H
X
H
X
H
X
X
X
X
X
No Operation
No Operation:
Precharge after tDPL
H
Device Deselect
L
L
L
L
L
L
L
L
L
L
L
H
L
OP CODE
Mode Register Set
ILLEGAL
13,14
13
X
X
X
Auto or Self Refresh ILLEGAL
L
H
H
L
BA
BA
BA
BA
Precharge
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
13
L
H
L
Row Add.
Bank Activate
13
H
H
Col Add. A10 Write/WriteAP
Col Add. A10 Read/ReadAP
13
Refreshing
L
H
13
No Operation:
idle after tRC
L
H
X
H
X
H
X
X
X
X
X
No Operation
No Operation:
idle after tRC
H
Device Deselect
L
L
L
L
L
L
L
L
L
L
L
H
L
OP CODE
Mode Register Set
ILLEGAL
13,14
13
X
X
X
Auto or Self Refresh ILLEGAL
L
H
H
L
BA
BA
BA
BA
Precharge
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
13
L
H
L
Row Add.
Bank Activate
13
Mode
Register
Accessing
H
H
Col Add. A10 Write/WriteAP
Col Add. A10 Read/ReadAP
13
L
H
13
No Operation:
idle after 2 clock cycles
L
H
X
H
X
H
X
X
X
X
X
No Operation
No Operation:
idle after 2 clock cycles
H
Device Deselect
Rev 1.2 / Jun. 2008
21
HYNIX [ HYNIX SEMICONDUCTOR ]
