MSC23S4721E Ver la hoja de datos (PDF) - Oki Electric Industry
Número de pieza
componentes Descripción
Lista de partido
MSC23S4721E Datasheet PDF : 11 Pages
| |||
MSC23S4721E-8BS18 (98.07.17)
FUNCTION TRUTH TABLE (CKE) (Table2)
Current State (n) CKEn-1 CKEn /CS /RAS /CAS /WE ADDR
Self Refresh
H
X
X
X
X
X
X
L
H
H
X
X
X
X
L
H
L
H
H
H
X
L
H
L
H
H
L
X
L
H
L
H
L
X
X
L
H
L
L
X
X
X
L
L
X
X
X
X
X
H
X
X
X
X
X
X
Power Down
L
H
H
X
X
X
X
L
H
L
H
H
H
X
L
H
L
H
H
L
X
L
H
L
H
L
X
X
L
H
L
L
X
X
X
L
L
X
X
X
X
X
All Banks idle 6
H
H
X
X
X
X
X
(ABI)
H
L
H
X
X
X
X
H
L
L
H
H
H
X
H
L
L
H
H
L
X
H
L
L
H
L
X
X
H
L
L
L
H
L
X
H
L
L
L
L
H
X
H
L
L
L
L
L
X
L
L
X
X
X
X
X
Any State
H
H
X
X
X
X
X
Other than
H
L
X
X
X
X
X
Listed Above
L
H
X
X
X
X
X
L
L
X
X
X
X
X
Action
INVALID
Æ Exit Self Refresh ABI
Æ Exit Self Refresh ABI
ILLEGAL
ILLEGAL
ILLEGAL
NOP (Maintain Self Refresh)
INVALID
Æ Exit Power Down ABI
Æ 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.
Page 11/11
Share Link: 