IC42S16800D-7TL ISSI [Integrated Silicon Solution, Inc], IC42S16800D-7TL Datasheet - Page 48

• Manufacturer Part Number: IC42S16800D-7TL
• Description: 16Meg x 8, 8Meg x16 128-MBIT SYNCHRONOUS DRAM
• Manufacturer: ISSI [Integrated Silicon Solution, Inc]

IS42S81600D,
48
POWER-DOWN MODE CYCLE
active banks
DQM/DQML
Precharge all
COMMAND
A0-A9, A11
BA0, BA1
DQMH
CKE
CLK
A10
DQ
High-Z
SINGLE BANK
t
t
ALL BANKS
CKS
CMS
PRECHARGE
t
IS42S16800D
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
07/28/08
Rev. E