HY[B/E]18L128160B[C/F]-7.5
128-Mbit Mobile-RAM
Functional DescriptionCommands
#,+
T2#$
T2!3
T20
T2#
!#4
./0
./0
2%!$
./0
./0
./0
02%
./0
./0
!#4
#OMMAND
!DDRESS
"A!ꢉ
"A!ꢉ
#OL N
"A !ꢉ
2OW X
2OW B
0RE !LL
!0
$IS!0
!ꢅꢄ ꢇ!0ꢈ
$1
2OW X
2OW B
0RE "ANK !
#,ꢃꢐ
$/ N
$/ Nꢓꢅ $/ Nꢓꢆ $/ Nꢓꢐ
ꢃ $ONgT #ARE
"A !ꢉ #OL N ꢃ BANK !ꢉ COLUMN N
$/ N ꢃ $ATA /UT FROM COLUMN N
"URST ,ENGTH ꢃ ꢏ IN THE CASE SHOWNꢂ
!0 ꢃ !UTO 0RECHARGE
$IS !0 ꢃ $ISABLE !UTO 0RECHARGE
ꢐ SUBSEQUENT ELEMENTS OF $ATA /UT ARE PROVIDED IN THE PROGRAMMED ORDER FOLLOWING $/ Nꢂ
Figure 14 Single READ Burst (CAS Latency = 3)
Data from any READ burst may be concatenated with data from a subsequent READ command. In either case, a
continuous flow of data can be maintained. A READ command can be initiated on any clock cycle following a
previous READ command, and may be performed to the same or a different (active) bank. The first data element
from the new burst follows either the last element of a completed burst (Figure 15) or the last desired data element
of a longer burst which is being truncated (Figure 16). The new READ command should be issued x cycles after
the first READ command, where x equals the number of desired data elements.
#,+
2%!$
./0
./0
./0
2%!$
./0
./0
./0
./0
#OMMAND
!DDRESS
"A !ꢉ
#OL N
"A !ꢉ
#OL B
#,ꢃꢆ
$/ N
$/ Nꢓꢅ
$/ Nꢓꢆ
$/ Nꢓꢐ
$/ B
$/ Bꢓꢅ
$/ Bꢓꢆ
$1
$1
#,ꢃꢐ
$/ N
$/ Nꢓꢅ
$/ Nꢓꢆ
$/ Nꢓꢐ
$/ B
$/ Bꢓꢅ
ꢃ $ONgT #ARE
"A !ꢉ #OL N ꢇBꢈ ꢃ "ANK !ꢉ #OLUMN N ꢇBꢈ
$/ N ꢇBꢈ ꢃ $ATA /UT FROM COLUMN N ꢇBꢈ
"URST ,ENGTH ꢃ ꢏ IN THE CASE SHOWNꢂ
ꢐ SUBSEQUENT ELEMENTS OF $ATA /UT ARE PROVIDED IN THE PROGRAMMED ORDER FOLLOWING $/ N ꢇBꢈꢂ
Figure 15 Consecutive READ Bursts
Data Sheet
21
Rev. 1.71, 2007-01
05282004-NZNK-8T0D
QIMONDA [ QIMONDA AG ]
