ic42s16400 ETC-unknow, ic42s16400 Datasheet - Page 58

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

IC42S16400
Auto Precharge after Write Burst (2 of 2)
BS1=”L”, Bank C,D = Idle
58
DQM
CKE
ADD
RAS
CAS
*BS0
CLK
A10
WE
DQ
CS
Command
High
Hi-Z
Activate
Bank A
Ra
Ra
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
t
CK3
Command
QAa0 QAa1 QAa2 QAa3 QBa0 QBa1
Read
Bank A
Ca
Command
Activate
Bank B
Ra
Ra
Bank B
Auto Precharge
Command
Read with
Ca
QBa2
QBa3
Auto Precharge
Command
Read with
Bank A
QAb0 QAb1
Cb
Bank B
Start Auto Precharge
QAb2
Command
Activate
Bank B
QAb3
Rb
Rb
RBb
Start Auto
Precharge
Bank A
Auto precharge
Bank B
Burst Length=4, CAS Latency=3
Command
Write with
QBb0
Integrated Circuit Solution Inc.
Cb
QBb1 QBb2
Start Auto Precharge
Bank B
QBb3
DR034-0E 12/02/2003