ic42s16400 ETC-unknow, ic42s16400 Datasheet - Page 54

• Manufacturer Part Number: ic42s16400
• Description: 1m X 16bit X 4 Banks 64-mbit Sdram
• Manufacturer: ETC-unknow

IC42S16400
Interleaved Column Write Cycle (2 of 2)
BS1=”L”, Bank C,D = Idle
54
DQM
RAS
ADD
CKE
CAS
*BS0
CLK
A10
WE
DQ
CS
Hi-Z
Command
Activate
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Bank A
Ra
Ra
t
CK3
t
t
RCD
RRD
Command
Write
Bank A
QAa0 QAa1 QAa2 QAa3 QBa0 QBa1
Ca
Command
Activate
Bank B
Ra
Ra
Command
Bank B
Write
Ca
Command
QBb0
Bank B
Write
Cb
QBb1
Command
Bank B
Write
QBc0 QBc1
Cc
Command
Bank A
Write
QAb0
Cb
QAb1
Command
Bank B
t
QBd0
DPL
Write
Cd
Burst Length=4, CAS Latency=3
Precharge
Command
Bank A
QBd1
Integrated Circuit Solution Inc.
QBd2 QBd3
t
RP
t
Precharge
Command
DPL
Bank B
DR034-0E 12/02/2003