HYB39S64400 Datasheet, PDF (27/53 Pages) Siemens Semiconductor Group – 64 MBit Synchronous DRAM

HYB39S64400/800/160AT(L)
64MBit Synchronous DRAM
7.2 Burst Read with Auto-Precharge
(Burst Length = 4, CAS latency = 2, 3)
T0
T1
T2
T3
T4
T5
T6
T7
T8
CLK
COMMAND ^{READ A}
with AP
CAS latency = 2
t_CK2, DQ’s
CAS latency = 3
t_CK3, DQ’s
NOP
NOP
DOUT A0
NOP
NOP
NOP
NOP
DOUT A1
DOUT A0
*
t_RP
DOUT A2 DOUT A3
*
DOUT A1
t_RP
DOUT A2
t_RP
DOUT A3
NOP
NOP
* ^{Begin Autoprecharge}
Bank can be reactivated after trp
Semiconductor Group
27