is42s16320b Integrated Silicon Solution, Inc., is42s16320b Datasheet - Page 48

• Manufacturer Part Number: is42s16320b
• Description: 64m X 8, 32m X 16 512mb Synchronous Dram
• Manufacturer: Integrated Silicon Solution, Inc.

IS42S86400B, IS42S16320B
48
POWER-DOWN MODE CYCLE
A0-A9, A11, A12
active banks
DQM/DQML
Precharge all
COMMAND
BA0, BA1
DQMH
CKE
CLK
A10
DQ
High-Z
SINGLE BANK
t
t
ALL BANKS
CKS
CMS
PRECHARGE
t
AS
BANK
T0
All banks idle, enter
power-down mode
t
t
CKH
t
CMH
AH
Two clock cycles
t
CK
NOP
T1
t
t
CL
CKS
NOP
T2
t
CH
Input buffers gated
power-down mode
off while in
Exit power-down mode
Integrated Silicon Solution, Inc. — www.issi.com
t
CKS
Tn+1
NOP
All banks idle
ACTIVE
BANK
ROW
ROW
Tn+2
DON'T CARE
Rev. 00F
08/11/08