Data Sheet.
HY[B/E]18L512160BF-7.5
512-Mbit Mobile-RAM
FIGURE 19
Clock Suspend Mode for READ Bursts
#,+
#+%
INTERNAL
CLOCK
2%!$
./0
./0
./0
./0
./0
#OMMAND
!DDRESS
"A !ꢀ
#OL N
T#3,
$/ N
T#3,
T#3,
$/ Nꢅꢄ
$/ Nꢅꢄ
$/ Nꢅꢃ
$1
ꢂ $ONgT #ARE
"A !ꢀ #OL N ETCꢁ ꢂ "ANK !ꢀ #OLUMN N ETCꢁ
$/ N ETCꢁ ꢂ $ATA /UT FROM COLUMN N ETCꢁ
#, ꢂ ꢃ IN THE CASE SHOWN
#LOCK SUSPEND LATENCY T#3, IS ꢄ CLOCK CYCLE
2.4.5.3
READ - DQM Operation
DQM may be used to suppress read data and place the output buffers into High-Z state. The generic timing parameters as
listed in Table 12 also apply to this DQM operation. The read burst in progress is not affected and will continue as programmed.
FIGURE 20
READ Burst - DQM Operation
#,+
2%!$
./0
./0
T$1:
./0
./0
./0
./0
./0
#OMMAND
!DDRESS
"A !ꢀ
#OL N
$1-
$1
$/ N
$/ Nꢄꢂ
$/ Nꢄꢅ
ꢁ $ONgT #ARE
"A !ꢀ #OL N ꢁ BANK !ꢀ COLUMN N
$/ N ꢁ $ATA /UT FROM COLUMN N
#, ꢁ ꢂ IN THE CASE SHOWNꢃ
$1- READ LATENCY T$1: IS ꢂ CLOCK CYCLES
Rev. 1.22, 2006-12
01132005-06IU-IGVM
25
QIMONDA [ QIMONDA AG ]
