MSM56V16800F Просмотр технического описания (PDF) - Oki Electric Industry
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MSM56V16800F Datasheet PDF : 30 Pages
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FUNCTION TRUTH TABLE for CKE (Table 2)
MSM56V16800F
Current State (n)
Self Refresh
Power Down
All Banks Idle 6
(ABI)
Any State Other
than Listed Above
CKEn-1
H
L
L
L
L
L
L
H
L
L
L
L
L
L
H
H
H
H
H
H
H
H
L
H
H
L
L
CKEn
X
H
H
H
H
H
L
X
H
H
H
H
H
L
H
L
L
L
L
L
L
L
L
H
L
H
L
CS RAS CAS WE
X
X
X
X
H
X
X
X
L
H
H
H
L
H
H
L
L
H
L
X
L
L
X
X
X
X
X
X
X
X
X
X
H
X
X
X
L
H
H
H
L
H
H
L
L
H
L
X
L
L
X
X
X
X
X
X
X
X
X
X
H
X
X
X
L
H
H
H
L
H
H
L
L
H
L
X
L
L
H
L
L
L
L
H
L
L
L
L
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
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
X
X
X
Action
INVALID
Exit Self Refresh --> ABI
Exit Self Refresh --> ABI
ILLEGAL
ILLEGAL
ILLEGAL
NOP (Maintain Self Refresh)
INVALID
Exit Power Down --> ABI
Exit Power Down --> ABI
ILLEGAL
ILLEGAL
ILLEGAL 6
NOP (Continue power down mode)
Refer to Table 1
Enter Power Down
Enter Power Down
ILLEGAL
ILLEGAL
ILLEGAL
Enter Self Refresh
ILLEGAL
NOP
Refer to Operations in Table 1
Begin Clock Suspend Next Cycle
Enable Clock of Next Cycle
Continue Clock Suspension
*Notes : 6. Power-down and self-refresh can be entered only when all the banks are in an idle state.
30/30
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