IS42S83200B,
IS42S16160B
ALTERNATING BANK READ ACCESSES
T0
CLK
t
CKS
t
CKH
CKE
t
CMS
t
CMH
COMMAND
DQM/
DQML, DQMH
t
AS
t
AH
A0-A9, A11, A12
A10
BA0, BA1
ROW
t
AS
t
AH
ROW
t
AS
t
AH
BANK 0
ACTIVE
t
CK
T1
t
CL
T2
t
CH
T3
T4
T5
T6
T7
T8
NOP
READ
t
CMS
t
CMH
NOP
ACTIVE
NOP
READ
NOP
ACTIVE
COLUMN m
(2)
ENABLE AUTO PRECHARGE
ROW
ROW
COLUMN b
(2)
ENABLE AUTO PRECHARGE
ROW
ROW
BANK 0
t
LZ
BANK 3
t
OH
D
OUT
m
t
AC
t
AC
t
OH
D
OUT
m+
1
t
AC
BANK 3
t
OH
D
OUT
m+
2
t
AC
t
RP
- BANK 0
t
RCD
- BANK 3
CAS Latency - BANK 3
t
OH
D
OUT
m+
3
t
AC
BANK 0
t
OH
D
OUT
b
t
AC
t
RCD
- BANK 0
DQ
t
RCD
- BANK 0
t
RRD
t
RAS
- BANK 0
t
RC
- BANK 0
CAS Latency - BANK 0
DON'T CARE
Notes:
1)
CAS
latency = 2, Burst Length = 4
2) x16: A9, A11, and A12 = "Don't Care"
x8: A11 and A12 = "Don't Care"
34
Integrated Silicon Solution, Inc. 鈥?www.issi.com
Rev. C
03/13/07