HYE25L256160AC Datasheet, PDF (42/55 Pages) Infineon Technologies AG – 256-Mbit Mobile-RAM

HYE25L256160AC
256-Mbit Mobile-RAM
Timing Diagrams
Burst Length = 4, CAS Latency = 2
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
CLK
t _CK2
CKE
CS
RAS
CAS
WE
BS
AP
RAx
Addr.
t _RC
t _RC
DQM
t _RP
(M inim um Interval)
H i-Z
DQ
RAx
CAx
Ax0 Ax1 Ax2 Ax3
Precharge Auto Refresh
Command Command
A ll B anks
Figure 26 Auto Refresh (CBR)
Auto Refresh
C om m and
A ctivate R ead
Command Command
Bank A Bank A
SPT03920_2
Data Sheet
42
V1.1, 2003-04-16