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EDS1232AATA-MI
CKE Truth Table
CKE
Current state
Function
Symbol n – 1 n
/CS /RAS /CAS /WE Address
Activating
Clock suspend mode entry
H
L
×
×
×
×
×
Any
Clock suspend mode
L
L
×
×
×
×
×
Clock suspend
Idle
Idle
Self refresh
Clock suspend mode exit
CBR (auto) refresh command
Self refresh entry
Self refresh exit
Idle
Power down entry
EPower down
Power down exit
OL Remark: H: VIH. L: VIL. ×: VIH or VIL
REF
SELF
L
H
H
L
L
H
H
L
L
H
H
L
H
H
L
L
H
H
×
L
L
L
H
L
H
H
L
×
L
L
H
×
H
×
×
H
×
L
L
H
×
H
×
×
H
×
×
H
×
H
×
H
×
×
×
H
×
×
×
×
×
H
×
Product
Data Sheet E0340E30 (Ver. 3.0)
16