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IC61C6416 Datasheet, PDF (57/80 Pages) Integrated Circuit Solution Inc – 64K X 16 HIGH-SPEED CMOS STATIC RAM
HYB18T256324F–[16/20/22]
256-Mbit DDR SGRAM
Functional Description
3.9.1 DTERDIS followed by READ












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#, +
#O M 
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!DD R
"# X
#! 3 LATE NCY  
2$ 1 3
$1
$X  $X  $X  $X 
#O M 
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!DD R
2$ 1 3
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2$
"# X
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#! 3LATENC Y 
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Figure 41 DTERDIS Command followed by READ
#O M # O MMA ND
!D D R! DD RES S" #
"# X " ANK # O LU MNA DDRE S SX
2$ 2 % !$
$4 $ $ 4 %2 $ )3
.$ . / 0OR$ E SE LEC T
$X $ A TA FRO M" # X
$O N gT# A RE
$1 S4 ERM INA TION S O FF
2$ 1 3. O TD RIV EN
1. At least 3 NOPs are required between a DTERDIS command and a READ command in order to avoid
contention on the RDQS bus in a 2 rank system.
2. CAS Latency 5 is used as an example.
3. The DQ terminations are switched off (CL-1) clock periods after the DTERDIS command for a duration of 4
clocks.
Data Sheet
57
Rev. 1.11, 04-2005
10292004-DOXT-FS0U