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MD56V62160/H
FUNCTION TRUTH TABLE (Table 1) (1/2)
Current State1 CS RAS CAS WE BA ADDR
Action
Idle
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
X
H
H
H
L
X
H
H
L
X
H
L
X
X
X
X
NOP
NOP
BA
BA
BA
BA
X
X
ILLEGAL 2
ILLEGAL 2
Row Active
NOP 4
X
H
L
CA
RA
A10
X
H
H
L
L
L
H
L
Auto-Refresh or Self-Refresh 5
L
L
L
OP Code Mode Register Write
Row Active
X
H
H
H
L
X
H
L
X
X
H
L
X
X
X
NOP
NOP
X
BA CA, A10 Read
BA CA, A10 Write
L
H
H
L
H
L
BA
BA
X
RA
A10
X
ILLEGAL 2
Precharge
ILLEGAL
L
L
X
X
H
L
Read
X
H
H
H
H
L
X
H
H
L
X
X
NOP (Continue Row Active after Burst ends)
NOP (Continue Row Active after Burst ends)
Reserved
X
X
BA
X
H
L
BA CA, A10 Term Burst, start new Burst Read
BA CA, A10 Term Burst, start new Burst Write
L
H
H
L
H
L
BA
BA
X
RA
A10
X
ILLEGAL 2
L
Term Burst, execute Row Precharge
ILLEGAL
L
X
X
H
L
Write
X
H
H
H
H
L
X
H
H
L
X
X
NOP (Continue Row Active after Burst ends)
NOP (Continue Row Active after Burst ends)
Reserved (Term Burst) --> Row Active
X
X
BA
X
H
L
BA CA, A10 Term Burst, start new Burst Read
BA CA, A10 Term Burst, start new Burst Write
L
H
H
L
H
L
BA
BA
X
RA
A10
X
ILLEGAL 2
L
Term Burst, execute Row Precharge
ILLEGAL
L
X
X
H
L
Read with
X
H
H
H
H
L
X
H
H
L
X
X
NOP (Continue Burst to End and enter Row Precharge)
NOP (Continue Burst to End and enter Row Precharge)
ILLEGAL 2
Auto Precharge
X
X
BA
X
H
L
BA CA, A10 ILLEGAL 2
ILLEGAL
BA RA, A10 ILLEGAL 2
L
X
X
H
L
X
X
X
H
L
L
X
X
X
X
X
X
ILLEGAL
Write with
X
H
H
H
H
L
X
H
H
L
NOP (Continue Burst to End and enter Row Precharge)
NOP (Continue Burst to End and enter Row Precharge)
ILLEGAL 2
Auto Precharge
X
BA
H
L
BA CA, A10 ILLEGAL 2
ILLEGAL
BA RA, A10 ILLEGAL 2
ILLEGAL
L
X
X
H
L
X
X
L
X
X
26/28
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