K4C89183AF Datasheet, PDF (24/55 Pages) Samsung semiconductor – 288Mb x18 Network-DRAM2 Specification

K4C89183AF
State Diagram
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PD = H
WRA
PDEX
(PD = H)
Power
Down
PDEN
(PD = L)
Standby
(Idle)
RDA
Mode
Register
REF
MRS
Active
(Restore)
Active
LAL
Write
(Buffer)
LAL
Read
Command Input
Automatic Return
The second command at Active
state must be issued 1clock after
RDA or WRA command input
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REV. 0.7 Jan. 2005