IC41C4405x and IC41LV4405x Series
AC WAVEFORMS
READ CYCLE (With WE-Controlled Disable)
RAS
t
CSH
t
CRP
ASR
t
RCD
tCP
t
CAS
CAS
t
AR
t
RAD
t
t
RAH
t
CAH
tASC
t
ASC
ADDRESS
WE
Row
Column
Column
t
RCS
t
RCH
tRCS
t
AA
t
RAC
t
t
CAC
CLZ
t
WHZ
tCLZ
Open
Open
Valid Data
I/O
OE
t
OE
tOD
Don’t Care
RAS-ONLY REFRESH CYCLE (OE, WE = DON'T CARE)
t
RC
t
RAS
tRP
RAS
CAS
t
CRP
t
RPC
t
ASR
tRAH
ADDRESS
I/O
Row
Row
Open
Don’t Care
Integrated Circuit Solution Inc.
DR013-0B 10/17/2002
15