A43E06161
Function Truth Table (Table 1)
Current
CS RAS
BA
Address
Action
Note
CAS
WE
State
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
L
X
H
H
H
L
X
H
H
L
X
H
L
X
X
X
X
X
NOP
NOP
X
ILLEGAL
2
2
X
H
L
BA
BA
BA
X
CA, A10/AP ILLEGAL
IDLE
H
H
L
RA
Row Active; Latch Row Address
L
PA
NOP
4
5
5
L
H
L
X
Auto Refresh or Self Refresh
L
L
OP Code
Mode Register Access
X
H
H
H
H
L
X
H
H
L
X
H
L
X
X
X
X
X
NOP
NOP
Row
X
ILLEGAL
2
2
Active
H
L
BA
BA
BA
BA
X
CA,A10/AP Begin Read; Latch CA; Determine AP
CA,A10/AP Begin Write; Latch CA; Determine AP
L
H
H
L
H
L
RA
PA
X
ILLEGAL
L
Precharge
L
X
X
H
L
ILLEGAL
X
H
H
H
H
L
X
H
H
L
X
X
NOP(Continue Burst to End →Row Active)
NOP(Continue Burst to End →Row Active)
Term burst →Row Active
X
X
X
X
H
L
BA
BA
BA
BA
X
CA,A10/AP Term burst; Begin Read; Latch CA; Determine AP
3
3
2
3
Read
L
CA,AP
Term burst; Begin Write; Latch CA; Determine AP
ILLEGAL
H
H
L
H
L
RA
PA
X
L
Term Burst; Precharge timing for Reads
ILLEGAL
L
X
X
H
L
X
H
H
H
H
L
X
H
H
L
X
X
NOP(Continue Burst to End→Row Active)
NOP(Continue Burst to End→Row Active)
ILLEGAL
X
X
X
X
H
L
BA
BA
BA
BA
X
CA,A10/AP Term burst; Begin Read; Latch CA; Determine AP
CA,A10/AP Term burst; Begin Read; Latch CA; Determine AP
3
3
2
3
Write
L
H
H
L
H
L
RA
ILLEGAL
L
A10/AP
Term Burst; Precharge timing for Writes
ILLEGAL
L
X
X
H
L
X
X
X
X
X
H
H
H
H
L
X
H
H
L
X
NOP(Continue Burst to End→Precharge)
NOP(Continue Burst to End→Precharge)
ILLEGAL
X
Read with
Auto
Precharge
X
H
L
BA
BA
BA
X
CA,A10/AP ILLEGAL
CA,A10/AP ILLEGAL
2
2
L
H
L
X
X
RA, PA
X
ILLEGAL
ILLEGAL
L
2
PRELIMINARY (July, 2005, Version 0.1)
41
AMIC Technology, Corp.
AMICC [ AMIC TECHNOLOGY ]
