ic42s16400 ETC-unknow, ic42s16400 Datasheet - Page 50

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

IC42S16400
Read and Write Cycle (2 of 2)
BS1=”L”, Bank C,D = Idle
50
DQM
CKE
RAS
ADD
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
RAa
RAa
t
CK3
Command
Bank A
Read
CAa
QAa0 QAa1 QAa2 QAa3
Command
Bank A
Write
DAb0 DAb1
CAb
is Masked with a
The Write Data
Zero Clock
Latency
DAb3
Command
Read
Bank A
CAc
Burst Length=4, CAS Latency=3
Integrated Circuit Solution Inc.
QAc0
QAc1
The Read Data
is Masked with
Two Clock
Latency
DR034-0E 12/02/2003
QAc3