IC42S16800 ICSI [Integrated Circuit Solution Inc], IC42S16800 Datasheet - Page 25
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IC42S16800
Manufacturer Part Number
IC42S16800
Description
4(2)M x 8(16) Bits x 4 Banks (128-MBIT) SYNCHRONOUS DYNAMIC RAM
Manufacturer
ICSI [Integrated Circuit Solution Inc]
Datasheet
1.IC42S16800.pdf
(69 pages)
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IC42S81600/IC42S81600L
IC42S16800/IC42S16800L
READ to WRITE Command Interval
Integrated Circuit Solution Inc.
DR023-0E 6/11/2004
Command
CLK
DQM
DQ
Command
DQM
CLK
Command
DQ
CLK
DQM
DQ
T0
Read
Hi-Z
T0
T0
T1
Read
Read
1 cycle
T1
T1
T2
D0
Write
Q0
T2
T2
T3
D1
Q1
T3
T3
T4
D2
Q2
Q2
T4
T4
T5
necessary
D3
Hi-Z is
necessary
Hi-Z is
T5
T5
T6
Write
D0
Write
example: Burst length=4, CAS latency=3
D0
T6
T6
T7
D1
Burst length=8, CAS latency=2
D1
T7
T7
T8
CAS latency=2
D2
D2
T8
T8
T9
25