ic42s16400 ETC-unknow, ic42s16400 Datasheet - Page 40

• Manufacturer Part Number: ic42s16400
• Description: 1m X 16bit X 4 Banks 64-mbit Sdram
• Manufacturer: ETC-unknow

IC42S16400
Self Refresh (Entry and Exit)
BS1=”L”, Bank C,D = Idle
Clock can be stopped at CKE=Low. If clock is stopped, it must be restarted/stable for 4 clock cycles before CKE=High
40
DQM
CKE
RAS
ADD
CAS
*BS0
CLK
A10
WE
DQ
CS
All Banks
must be idle
Hi-Z
T0 T1 T2 T3 T4 T5 T6 T7
Self refresh
Entry
CLK can be Stopped
t
CKS
Self Refresh
**
Exit
t
SRX
T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
t
RC
Self Refresh
Entry
Self Refresh
t
Exit
SRX
Integrated Circuit Solution Inc.
t
RC
t
CKS
Command
Activate
DR034-0E 12/02/2003