HYB25L256160AF Datasheet, PDF (42/56 Pages) Infineon Technologies AG – 256MBit Mobile-RAM

HY[B/E]25L256160AF–7.5
256MBit Mobile-RAM
Timing Diagrams
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
CLK
CKE
CS
RAS
CAS
WE
BS
AP
Addr.
DQM
Hi-Z
DQ
t _CKS
t _CKS
t_SREX
t _RC
All Banks
must be idle
Self Refresh
Entry
Begin Self Refresh
Exit Command
Self Refresh Exit
Command issued
(async.)
Figure 25 Self Refresh (Entry and Exit)
Any
Command
SPT03919-4
Data Sheet
42
Rev. 1.2, 04-2004