ESMT
FUNCTION TURTH TABLE (TABLE 1)
Current
State
CS
RAS
CAS
M12S64322A
WE
BA
ADDR
ACTION
Note
IDLE
Row
Active
Read
Write
Read with
Auto
Precharge
Write with
Auto
Precharge
H
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
H
L
L
L
L
L
H
L
L
L
L
L
X
H
H
H
L
L
L
L
X
H
H
H
H
L
L
L
X
H
H
H
H
L
L
L
X
H
H
H
H
L
L
L
X
H
H
H
L
L
X
H
H
H
L
L
X
H
H
L
H
H
L
L
X
H
H
L
L
H
H
L
X
H
H
L
L
H
H
L
X
H
H
L
L
H
H
L
X
H
H
L
H
L
X
H
H
L
H
L
X
H
L
X
H
L
H
L
X
H
L
H
L
H
L
X
X
H
L
H
L
H
L
X
X
H
L
H
L
H
L
X
X
H
L
X
X
X
X
H
L
X
X
X
X
X
X
BA
BA
BA
X
OP code
X
X
X
BA
BA
BA
BA
X
X
X
X
BA
BA
BA
BA
X
X
X
X
BA
BA
BA
BA
X
X
X
X
BA
BA
X
X
X
X
BA
BA
X
X
X
X
CA, A10/AP
RA
A10/AP
X
OP code
X
X
X
CA, A10/AP
CA, A10/AP
RA
A10/AP
X
X
X
X
CA, A10/AP
CA, A10/AP
RA
A10/AP
X
X
X
X
CA, A10/AP
CA, A10/AP
RA
A10/AP
X
X
X
X
CA, A10/AP
RA, RA10
X
X
X
X
CA, A10/AP
RA, RA10
X
NOP
NOP
ILLEGAL
ILLEGAL
Row (&Bank) Active ; Latch RA
NOP
Auto Refresh or Self Refresh
Mode Register Access
NOP
NOP
ILLEGAL
Begin Read ; latch CA ; determine AP
Begin Write ; latch CA ; determine AP
ILLEGAL
Precharge
ILLEGAL
NOP (Continue Burst to End
Row Active)
NOP (Continue Burst to End
Row Active)
Term burst
Row active
Term burst, New Read, Determine AP
Term burst, New Write, Determine AP
ILLEGAL
Term burst, Precharge timing for Reads
ILLEGAL
NOP (Continue Burst to End
Row Active)
NOP (Continue Burst to End
Row Active)
Term burst
Row active
Term burst, New Read, Determine AP
Term burst, New Write, Determine AP
ILLEGAL
Term burst, Precharge timing for Writes
ILLEGAL
NOP (Continue Burst to End
Precharge)
NOP (Continue Burst to End
Precharge)
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
NOP (Continue Burst to End
Precharge)
NOP (Continue Burst to End
Precharge)
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
2
2
4
5
5
2
2
3
2
3
3
2
3
2
2
Elite Semiconductor Memory Technology Inc.
Publication Date: May. 2007
Revision: 1.0
26/46