HYB18M1G16 Datasheet, PDF (30/65 Pages) Qimonda AG – 1-Gbit x16 DDR Mobile-RAM

Data Sheet
HY[B/E]18M1G16[0/1]BF
1-Gbit DDR Mobile-RAM
FIGURE 20
READ to PRECHARGE
CK
CK
Command
Address
READ
BA,Col n
DQS
NOP
CL=2
PRE
Bank
(a or all)
NOP
NOP
t_RP
ACT
BA, Row
DQ
DO n
DQS
CL=3
DQ
DO n
DO n = Data Out from column n
= Don't Care
Cases shown are either uninterrupted burst of 4, or interrupted bursts of 8 or 16
3 subsequent elements of Data Out appear in the programmed order following DO n
Precharge may be applied at (BL / 2) tCK after the READ command.
Note that Precharge may not be issued before tRAS ns after the ACTIVE command for applicable banks.
The ACTIVE command may be applied if tRC has been met.
2.4.6
BURST TERMINATE
The BURST TERMINATE command is used to truncate
READ bursts (with Auto Precharge disabled). The most
recently registered READ command prior to the BURST
TERMINATE command will be truncated, as shown in
Figure 18.
FIGURE 21
BURST TERMINATE Command
CK
CK
CKE
CS
RAS
CAS
WE
A0-A12
BA0,BA1
(High)
= Don't Care
Rev.1.0, 2007-03
30
10242006-Y557-TZXW