MK32VT832-10YC 98.07.21
FUNCTION TRUTH TABLE (CKE) (Table2)
Current State (n) CKEn-1 CKEn
/CS
X
H
L
L
L
/RAS /CAS
/WE
X
X
H
L
X
X
X
X
X
H
L
X
X
X
X
X
H
L
X
L
H
L
X
X
X
X
X
ADDR
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Action
INVALID
Exit Self Refresh ABI
Exit Self Refresh ABI
ILLEGAL
Self Refresh
H
L
L
L
L
X
H
H
H
H
H
L
X
X
H
H
H
L
X
X
X
H
H
H
L
X
X
X
H
H
H
L
X
X
H
H
L
X
X
X
X
H
H
L
X
X
X
X
H
H
L
ILLEGAL
ILLEGAL
L
L
L
X
X
H
L
L
L
NOP (Maintain Self Refresh)
INVALID
Exit Power Down ABI
Exit Power Down ABI
ILLEGAL
Power Down
H
L
L
L
L
X
H
H
H
H
H
L
H
L
L
L
L
L
L
L
L
ILLEGAL
L
L
L
ILLEGAL 6
X
X
H
L
L
L
L
L
L
X
X
X
X
X
NOP (Continue power down mode)
Refer to Table 1
Enter Power Down
Enter Power Down
ILLEGAL
ILLEGAL
ILLEGAL
Enter Self Refresh
ILLEGAL
NOP
All Banks idle 6
(ABI)
H
H
H
H
H
H
H
H
L
H
L
L
L
L
X
X
X
X
X
X
X
X
X
X
Any State
Other than
Listed Above
H
H
L
H
L
H
L
Refer to Operations in Table 1
Begin Clock Suspend Next Cycle
Enable Clock of Next Cycle
Continue Clock Suspension
X
X
X
L
Notes:
6. Power-down and self refresh can be entered only when all the banks are in an idle state.
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