IC42Sxxxxx Integrated Circuit Solution, IC42Sxxxxx Datasheet - Page 50

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IC42Sxxxxx

Manufacturer Part Number
IC42Sxxxxx
Description
4M x 8M x 4 Banks SDRAM
Manufacturer
Integrated Circuit Solution
Datasheet
IC42S81600/IC42S81600L
IC42S16800/IC42S16800L
Read and Write Cycle (1 of 2)
BS1=”L”, Bank C,D = Idle
50
*BS0
DQM
ADD
CKE
RAS
CAS
CLK
A10
WE
DQ
CS
Hi-Z
Command
T0 T1 T2 T3 T4 T5 T6 T7
Activate
Bank A
RAa
RAa
t
CK2
Command
Bank A
Write
CAa
QAa0 QAa1 QAa2 QAa3
T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Command
Bank A
Write
DAb0 DAb1
CAb
is Masked with a
The Write Data
Zero Clock
latency
DAb3
Command
Bank A
Read
CAc
Burst Length=4, CAS Latency=2
Integrated Circuit Solution Inc.
QAc0
QAc1
The Read Data
is Masked with
Two Clocks
Latency
QAc3
DR023-0E 6/11/2004

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