®
IS42S32200
ISSI
POWER-DOWN MODE CYCLE
T0
T1
T2
Tn+1
Tn+2
tCK
tCL
tCH
CLK
t
CKS
tCKH
t
CKS
tCKS
CKE
tCMS
t
CMH
COMMAND
PRECHARGE
NOP
NOP
NOP
ACTIVE
DQM0-DQM3
A0-A9
A10
ROW
ROW
ALL BANKS
SINGLE BANK
t
AS
t
AH
BA0, BA1
DQ
BANK
BANK
High-Z
Two clock cycles
Input buffers gated
All banks idle
off while in
power-down mode
Precharge all
active banks
All banks idle, enter
power-down mode
DON'T CARE
Exit power-down mode
CAS latency = 2, 3
Integrated Silicon Solution, Inc. — 1-800-379-4774
37
ADVANCE INFORMATION Rev. 00B
08/14/03