HYE25L256160AC Datasheet, PDF (48/55 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
RBx
RAx
RBy
Addr. RBx
CBx
t _RCD
DQM
Hi-Z
DQ
RAx
CAx
t _AC3
RBy
CBy
t _RP
Bx0 Bx1 Bx2 Bx3 Bx4 Bx5 Bx6 Bx7 Ax0 Ax1 Ax2 Ax3 Ax4 Ax5 Ax6 Ax7 By0
Activate
Command
Bank B
Read
Command
Bank B
Figure 32 CAS Latency = 3
Activate
Command
Bank A
Read Precharge
Command Command
Bank A Bank B
Activate
Command
Bank B
Read
Command
Bank B
Precharge
Command
Bank A
SPT03926
Data Sheet
48
V1.1, 2003-04-16