HYB39S256400 Datasheet, PDF (45/56 Pages) Siemens Semiconductor Group – 256 MBit Synchronous DRAM

HYB 39S256400/800/160T
256 MBit Synchronous DRAM
16.2. CAS Latency = 3
Burst Length = 4, 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
CS
RAS
CAS
WE
BS
AP
RAw
RAz
Addr.
RAw
CAw
CAx
CAy
RAz
CAz
DQM
Hi Z
DQ
Aw0 Aw1 Aw2 Aw3 Ax0 Ax1 Ay0 Ay1 Ay2 Ay3
Activate
Command
Bank A
Read
Command
Bank A
Read
Read
Command Command
Bank A Bank A
Precharge
Command
Bank A
Activate
Command
Bank A
Read
Command
Bank A SPT03922
Semiconductor Group
45
1998-10-01