HYE25L256160AC Datasheet, PDF (50/55 Pages) Infineon Technologies AG – 256-Mbit Mobile-RAM

HYE25L256160AC
256-Mbit Mobile-RAM
Timing Diagrams
Burst Length = 8, CAS Latency = 3
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 _CK3
CKE High
CS
RAS
CAS
WE
BS
AP
RAx
RBx
RAy
Addr. RAx
DQM
Hi-Z
DQ
CAx
t _RCD
RBx
CBx
RAy
CAy
t _WR
t _RP
t _WR
DAx0 DAx1 DAx2 DAx3 DAx4 DAx5 DAx6 DAx7 DBx0 DBx1 DBx2 DBx3 DBx4 DBx5 DBx6 DBx7 DAy0 DAy1 DAy2 DAy3
Activate
Command
Bank A
Write
Command
Bank A
Figure 34 CAS Latency = 3
Activate
Command
Bank B
Write
Command
Bank B
Precharge
Command
Bank A
Activate
Command
Bank A
Write
Command
Bank A
Precharge
Command
Bank B
SPT03928
Data Sheet
50
V1.1, 2003-04-16