MK31VT464-10YE (98.07.24)
FUNCTION TRUTH TABLE (Table1) (1/2)
Current State
Idle
/CS
H
L
L
L
L
L
L
L
H
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
H
L
L
L
L
L
L
/RAS
X
H
H
H
L
L
L
L
X
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
H
L
L
X
H
H
H
H
L
L
/CAS
X
H
H
L
H
H
L
L
X
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
L
H
L
X
H
H
L
L
H
L
/WE
X
H
L
X
H
L
H
L
X
X
H
L
H
L
X
X
H
L
H
L
H
L
X
X
H
L
H
L
H
L
X
X
H
L
H
L
X
X
X
H
L
H
L
X
X
BA
X
X
BA
BA
BA
BA
X
L
X
X
BA
BA
BA
BA
X
X
X
BA
BA
BA
BA
BA
X
X
X
BA
BA
BA
BA
BA
X
X
X
BA
BA
X
BA
X
X
X
BA
BA
X
BA
X
ADDR
X
X
X
CA
RA
A10
X
OP Code
X
X
CA, A10
CA, A10
RA
A10
X
X
X
X
CA, A10
CA, A10
RA
A10
X
X
X
X
CA, A10
CA, A10
RA
A10
X
X
X
X
CA, A10
X
RA, A10
X
X
X
X
CA, A10
X
RA, A10
X
Action
NOP
NOP
2
ILLEGAL
2
ILLEGAL
Row Active
4
NOP
5
Auto-Refresh or Self-Refresh
Mode Register write
NOP
NOP
Read
Write
2
ILLEGAL
Precharge
ILLEGAL
NOP (Continue Row Active after Burst ends)
NOP (Continue Row Active after Burst ends)
Burst Stop
3
Term Burst, start new Burst Read
3
Term Burst, start new Burst Write
2
ILLEGAL
Term Burst, execute Row Precharge
ILLEGAL
NOP (Continue Row Active after Burst ends)
NOP (Continue Row Active after Burst ends)
Burst Stop
3
Term Burst, start new Burst Read
3
Term Burst, start new Burst Write
2
ILLEGAL
3
Term Burst, execute Row Precharge
ILLEGAL
NOP (Continue Burst to End and enter Row Precharge)
NOP (Continue Burst to End and enter Row Precharge)
2
ILLEGAL
2
ILLEGAL
ILLEGAL
2
ILLEGAL
ILLEGAL
NOP (Continue Burst to End and enter Row Precharge)
NOP (Continue Burst to End and enter Row Precharge)
2
ILLEGAL
2
ILLEGAL
ILLEGAL
2
ILLEGAL
ILLEGAL
Row Active
Read
Write
Read with
Auto Precharge
Write with
Auto Precharge
Page 9/11
OKI [ OKI ELECTRONIC COMPONETS ]
