IC42S16800 ICSI [Integrated Circuit Solution Inc], IC42S16800 Datasheet - Page 54
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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
Interleaved Column Write Cycle (1 of 2)
BS1=”L”, Bank C,D = Idle
54
*BS0
DQM
ADD
CKE
CAS
RAS
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
CK2
t
RCD
t
RRD
Command
Bank A
Write
DAa0 DAa1 DAa2 DAa3 DBa0 DBa1
Ca
Activate
Command
Bank B
Ra
Ra
Command
Bank B
Write
Ca
Command
Bank B
DBb0
Write
Cb
DBb1
Command
Bank B
Write
DBc0 DBc1
Cc
Command
Bank A
Write
DAb0
Cb
DAb1
Command
Bank B
Write
DBd0
Cb
Precharge
Command
Bank A
DBd1
Burst Length=4, CAS Latency=2
t
DBd2 DBd3
Integrated Circuit Solution Inc.
RP
t
DPL
Precharge
Command
Bank B
DR023-0E 6/11/2004