IS43R16160A Datasheet, PDF (50/56 Pages) Integrated Silicon Solution, Inc – 16Meg x 16 256-MBIT DDR SDRAM

IS43R16160A
/CK
CK
CKE
COMMAND
tIS tIH
tIS tIH
NOP
A0-A7
A8, A9, A11
A10
BA0, BA1
DM
Case 1:
tAC/tDQSCK = min
Figure 43 - READ - WITH AUTO PRECHARGE
tCK
tCH tCL
tIH
READ
NOP
PRE
NOP
NOP
tIS tIH
Col n
tIS tIH
ALL BANKS
DIS AP
tIS tIH
ONE BANK
Bank x
*Bank x
CL = 2
tRP
ACT
RA
RA
RA
Bank x
VALID
NOP
DQS
DQ
Case 2:
tAC/tDQSCK = max
tRPRE
t _DQSCK
min
tRPST
tLZ
tHZ
min
DO
min
n
tLZ
tAC
min
min
DQS
DQ
tRPRE
t _DQSCK
max
tRPST
tLZ
tHZ
max
DO
max
n
tLZ
t _AC
max
max
DO n = Data Out from column n
Burst Length = 4 in the case shown
3 subsequent elements of Data Out are provided in the programmed order following DO n
DIS AP = Disable Autoprecharge
* = "Don't Care", if A10 is HIGH at this point
PRE = PRECHARGE, ACT = ACTIVE, RA = Row Address, BA = Bank Address
NOP commands are shown for ease of illustration; other commands may be valid at these times
ISSI ^®
VALID
NOP
VALID
NOP
DON'T CARE
50
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. 00B
11/28/05