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| HYB18L256160BCX-7.5 Datasheet, PDF (28/48 Pages) Qimonda AG – DRAMs for Mobile Applications 256-Mbit Mobile-RAM | |||
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HY[B/E]18L256160B[C/F]X-7.5
256-Mbit Mobile-RAM
Functional Description
#, +
# OM MA N D ./ 0
! D D RE S S
$1
72 ) 4%
"# AO L! N
$) N
./ 0
$) N
./ 0
$) N
"3 4
./ 0
./ 0
" A ! # OL N " A NK ! #O LU M N N
$O N gT #A R E
$ ) N $A T A ) N T O C O LU MN N
" U R ST , E N G T H IN TH E C A S E S HO WN
S U B S E Q UE N T E LE M E NT S O F $A T A ) N AR E WR IT T E N IN T HE P RO G R A MM E D O RD E R F O LL O WI N G $ ) N
4 H E B U R S T IS T ER M IN A T E D A F TE R T HE R D D A TA E LE M EN T
Figure 30 Terminating a WRITE Burst
2.4.6.2 Clock Suspend Mode for WRITE Cycles
Clock suspend mode allows to extend any WRITE burst in progress by a variable number of clock cycles. As long
as CKE is registered LOW, the following internal clock pulse(s) will be ignored and no data will be captured, as
shown in Figure 31.
#, +
#+ %
IN T ER N A L
C LO C K
# OM MA N D
./ 0
! D D RE S S
$1
72 ) 4%
" A !
#O L N
T #3 ,
$) N
./ 0
T #3 ,
$) N
T #3 ,
" A ! #O L N E T C " AN K ! #O LU M N N E TC
$ / N E T C $A T A /U T F RO M C OL U M N N E T C
# , IN T H E C A S E SH O W N
#L O CK SU S P E ND L AT E N C Y T #3 , I S C LO C K C Y CL E
Figure 31 Clock Suspend Mode for WRITE Bursts
./ 0
./ 0
$) N
$O N gT #A R E
Data Sheet
28
Rev. 1.11, 2007-01
07142005-CR47-RB2E
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