MD56V62160E-10 OKI [OKI electronic componets], MD56V62160E-10 Datasheet - Page 31

• Manufacturer Part Number: MD56V62160E-10
• Manufacturer: OKI [OKI electronic componets]

FUNCTION TRUTH TABLE for CKE (Table 2)
*Notes : 6. If the minimum set-up time t
OKI Semiconductor
Current State (n) CKEn-1
Any State Other
All Banks Idle
Power Down
Self Refresh
than Listed
Above
(ABI)
7. Power-down and self-refresh can be entered only when all the banks are in an idle state.
asynchronously so that a command can be input in the same internal clock cycle.
6
6
7
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
CKEn
X
H
H
H
H
H
X
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
PDE
CS
X
H
X
X
H
X
X
H
X
X
X
X
X
L
L
L
L
L
L
L
L
L
L
L
L
L
L
is satisfied when CKE transition from “L” to “H”, CKE operates
RAS
X
X
H
H
H
X
X
X
H
H
H
X
X
X
H
H
H
X
X
X
X
X
L
L
L
L
L
CAS
X
X
H
H
X
X
X
H
H
X
X
X
H
H
H
X
L
X
L
X
L
L
L
X
X
X
X
WE
H
H
H
H
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
L
L
L
L
L
ADDR Action
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
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
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
6
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